An aerosol can of compressed air has the following warning label: “WARNING: Contents under pressure. Do not expose can to heat or flame. Do not crush can.” Using what you know about volume, pressure, and temperature, explain this warning.

Answers

Answer 1

Heating the can increases the kinetic energy of the gas molecules.

Increasing the kinetic energy of the gas molecules increases the pressure of the gas on the can.

Crushing the can reduces its volume.

As volume decreases, the pressure inside the can increases because the gas molecules collide with the can’s walls more often.

If the pressure gets too high, the can may explode.

are the answers for edg

Answer 2

Heating can cause an increase in the kinetic energy of molecules. As the air is compressed the volume decreases and the pressure will be high.

What is Boyle's law?

Boyle’s law can be described as the pressure acted by a given mass of gas at a constant temperature of the gas being inversely proportional to the volume of the gas.

The pressure and volume are inversely proportional as long as the temperature is kept constant.

P ∝ 1/V

P₁.V₁ = P₂.V₂                                                    ...........(1)

The heating of the aerosol can cause an increase in the kinetic energy of gas molecules. When the air is compressed, its volume decreases, and the pressure will be high. As the temperature increased, the volume of the gas is also directly proportional to the temperature.

Therefore, the heating will increase the temperature and the volume of the compressed air. Therefore, it can explode in the presence of heat.

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Related Questions

Which of the models shown below best represents the modern understanding of the structure of the atom?

Answers

The wave-mechanical model of the atom was proposed by Erwin Schrodinger that combined the works of Bohr and de Broglie. The electron was a three dimensional wave circling the nucleus in a whole number of wavelengths allowing the waveform to repeat itself as a stable standing wave (it can absorb energy form a nearby source which is oscillating at a proper frequency) representing the energy levels of Bohr model. He also said that Broglie’s model was correct about the matter waves and the electrons are located in the atomic space according to standing wave frequencies.

It's the 3rd option sis

For the closed system below: Cu(s) + 2Ag+(aq) 2Ag(s) + Cu2+(aq) How would you know if the system is at equilibrium?

Answers

For the chemical reactiom to be at equilibrium:
1- The rate of forward reaction must be equal to the rate of the reverse reaction.
2- The mass of EACH element must be equal before and after the reaction (no NET change in mass), otherwise the equilibrium will shift.

Important note: you need to check the mass of each element before and after the reaction (i.e, reactants side and products side) and the not the mass of the system as a whole. This is because the mass of the whole system will be preserved whether the system is at equilibrium or not (this is the fundamental law of mass conservation)

which is an anion ca2+ ag+ o2- k+

Answers

The 3rd one.
O2-
It is an Anion because the Oxygen atom has one extra electron from another atom.

Answer:

O2- is an anion

Explanation:

An atom or molecule is said to be neutral when it has a zero net charge. In contrast, if the system has a net charge it is termed as an ion.

A cation is an atom or a molecular system with a net positive charge whereas an anion carries a net negative charge.

In the given examples:

Ca2+ : net positive, cation

Ag+: net positive, cation

O2-: net negative, anion

K+: net positive, cation

What is the molecular formula of a compound that has 6 carbon atom, 8 hydrogen atoms, and 2 oxygen atoms?

Answers

the molecular formula of a compound that has 6 carbon, 8 hydrogen, and 2 oxygen will be c6h8o2

Polymerization is most directly responsible in determining which structure of a protein?
A.quaternary
B.secondary
C.tertiary
D.primary

Answers

Polymerization is the chemical reaction between monomer molecules. The result of the reaction are polymer chains or three-dimensional networks. A polymer is build from several blocks - monomers. Polymerization is most directly responsible in determining the primary structure of a protein. 

Answer:Primary

Explanation:

Label each as an endothermic or exothermic reaction or process. a. liquid freezing b. solid melting c. liquid turning into gas d. gas cooling and condensing on the side of a glass e. 2 chemicals mixed together in a beaker and now the beaker feels warm to the touch

Answers

Liquid freezing is an  endothermic reaction  and all other statements are exothermic,exothermic,endothermic,exothermic reactions respectively.

What are endothermic reactions?

An endothermic reaction is defined as a chemical reaction which is a thermodynamic process accompanied by an increase in enthalpy of the system.In this process, a system absorbs energy from the surroundings which is mainly thermal energy.

Thus an endothermic reaction leads to an increase in the temperature of the system with a decrease in the temperature of the surroundings.Endothermic reactions usually involve the formation of bonds which requires input of energy.In endothermic reactions, entropy of the surrounding decreases.

Many endothermic processes involve the physical changes rather the chemical changes.In an endothermic reaction ,the potential energy of products is greater than that of reactants.

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Final answer:

An exothermic process releases heat, while an endothermic process absorbs heat. Liquid freezing, gas cooling and condensing, and a warm beaker after mixing chemicals are exothermic. Solid melting and liquid turning into gas are endothermic.

Explanation:

We can label each process as either endothermic or exothermic based on whether the process absorbs or releases heat, respectively. Here is the labeling for each of the given processes:

a. liquid freezing - This is an exothermic process because heat is released to the surroundings as the liquid turns into a solid.b. solid melting - Melting is an endothermic process because heat is absorbed from the surroundings to change the solid into a liquid.c. liquid turning into gas - This transition is endothermic as heat is absorbed to change the liquid into a gas (evaporation or boiling).d. gas cooling and condensing - The process of a gas turning into a liquid (condensation) is exothermic, releasing heat to the surroundings.e. 2 chemicals mixed together and the beaker feels warm - When mixing leads to an increase in temperature, it indicates an exothermic reaction because heat is being released to the surroundings.

The transition of substances between different phases and the chemical reactions that release or absorb heat are classified as either exothermic or endothermic.

The Lewis dot structure for nitrogen shows the symbol, N, surrounded by a total of _____ dots.

Answers

surrounded by a total of 3 dots.
Final answer:

In the Lewis dot structure for nitrogen (N), the symbol is surrounded by five dots, representing its five valence electrons. Three of these are unpaired and available for bonding.

Explanation:

In the Lewis dot structure, the symbol for the element is surrounded by dots representing its valence electrons. Nitrogen (N) has five valence electrons. Therefore, in the Lewis dot structure for nitrogen, the symbol N, is surrounded by five dots.

There are three unpaired electrons and one electron pair in terms of bonding. The three unpaired electrons are available to form bonds with other atoms (most often seen in compounds like ammonia - NH3), while the pair of electrons remains as a lone pair on nitrogen in its compounds.

The Lewis dot symbol for nitrogen is a convenient way to visualize the valence electrons and helps predict the number of bonds formed by the element in its compounds.

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Which answer best explains the relationship between size and mass of the sun?

Answers

The mean radius of the sun is 432,450 miles (696,000 kilometers), which makes its diameter about 864,938 miles (1.392 million km). You could line up 109 Earths across the face of the sun. The sun's circumference is about 2,713,406 miles (4,366,813 km). The total volume of the sun is 1.4 x 1027 cubic meters.

Answer:

Average in size 100% Im not sure about mass, I think it's small correct me if not.

Explanation:

just had this

How many more atomic orbitals does a d sublevel hold than a p sublevel

Answers

S sub level: 1 orbital

P sub level: 3 orbitals

D sub level: 5 orbitals

F sub level: 7 orbitals

This means that a D sub level holds 2 more orbitals than a P sub level.
Final answer:

The d sublevel holds two more atomic orbitals than the p sublevel, with the p subshell having three orbitals and the d subshell having five orbitals.

Explanation:

The question is about the number of atomic orbitals in different sublevels of an atom, specifically comparing d and p sublevels. In any atom, the sublevels, denoted by s, p, d, and f, have a specific number of orbitals where an electron can most probably be. The p subshell contains three orbitals, while the d subshell contains five orbitals. Therefore, the d sublevel holds two more atomic orbitals than the p sublevel.

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What is emitted when the radioactive nucleus of 131 53i decays to form the stable isotope of xenon 131 54xe?

Answers

Final answer:

In the decay of iodine-131 to xenon-131, a beta particle and gamma rays are emitted as the nucleus transitions from an unstable to a stable state.

Explanation:

When the radioactive nucleus of iodine-131 (131I_53) decays, it emits a beta particle (an electron, β) and transforms into an unstable form of xenon-131 (131Xe_54m), which is then followed by a gamma decay. The gamma decay involves the emission of gamma rays as the nucleus transitions from its excited state (131Xe_54m) to its ground state, resulting in a stable isotope of xenon-131 (131Xe_54). This process can be written as follows:

 131I_53 → 131Xe_54m + β-
 131Xe_54m → 131Xe_54  +  γ

This type of decay is common in nuclear reactions and is one method of radioactive decay wherein unstable nuclei transition to a more stable form.

What is a gaseous state of a liquid or solid at room temperature?

Answers

gas, would be absolutely all over the place, liquid would be loose, and solid would be compact

Calculate the mass percentage of oxygen in dry air

Answers

               (0.20948 x 31.998) / (
(0.78084 x 28.013) +
(0.20948 x 31.998) +
(0.00934 x 39.948) +
(0.000375 x 44.0099) +
(0.00001818 x 20.183) +
(0.00000524 x 4.003) +
(0.000002 x 16.043) +
(0.00000114 x 83.80) +
(0.0000005 x 2.0159) +
(0.0000005 x 44.0128) ) = 0.23140 = 23.140% O by mass

Answer:

0.23 = 23% O by mass

Explanation:

Hi! Let's solve this!

We have the percentage data of each component in the air and its masses.

Nitrogen 0.78084 28.013

Oxygen 0.20948 31.998

Argon 0.00934 39.948

Carbon dioxide 0.000375 44.0099

Neon 0.00001818 20.183

Helium 0.00000524 4.003

Methane 0.000002 16.043

Krypton 0.00000114 83.80

Hydrogen 0.0000005 2.0159

Nitrous oxide 0.0000005 44.0128

Now we have to calculate a molar fraction.

(0.20948 * 31.998) = (0.78084 * 28.013)

+ (0.20948 * 31.998) + (0.00934 * 39.948) + (0.000375 * 44.0099) + (0.00001818 * 20.183) + (0.00000524 * 4.003) + (0.000002 * 16.043) + (0.00000114 * 83.80) + (0.0000005 * 2.0159) + ( 0.0000005 * 44.0128) = 0.23 = 23% O by mass

Select true or false: substitute natural gas can be synthesized by passing carbon monoxide and hydrogen over ni or co at 400°c.

Answers

This statement is "False".
Synthetic natural gas is usually created from coal. This gas acts as a substitute to natural gas. It must contain at least 95% methane. The intermediate step of creating synthetic gas is known as the synthesis gas production which is done through steps of gasification (using carbon and oxygen) followed by reactions of water gas shift and methanation (using carbon monoxide and steam)

Final answer:

The statement is true; substitute natural gas can be synthesized by passing carbon monoxide and hydrogen over a nickel or cobalt catalyst at 400°C, as part of the process of producing syngas, which can be further converted into other hydrocarbons.

Explanation:

The statement that substitute natural gas can be synthesized by passing carbon monoxide (CO) and hydrogen (H₂) over Ni (nickel) or Co (cobalt) at 400°C is true. This process is part of producing syngas (synthesis gas), which primarily consists of CO and H₂. When these gases are passed over a Ni or Co catalyst at the temperature mentioned, it can lead to the production of a mixture suitable for further conversion into substitute natural gas or other hydrocarbons.

The efficiency of this process and the resulting H₂/CO ratio is influenced by the catalytic material and operation conditions. It is important to note that syngas, obtained by reacting methane with steam over a Ni catalyst at high temperatures (700 - 1100 °C), can then be used as a precursor to produce a wide range of fuels when combined in the correct ratios over a suitable catalyst.

Watch the animation and identify the correct conditions for forming a hydrogen bond. check all that apply. check all that apply. the ch4 molecule exhibits hydrogen bonding. hydrogen bonding occurs when a hydrogen atom is covalently bonded to an n, o, or f atom. a hydrogen bond is equivalent to a covalent bond. a hydrogen bond is possible with only certain hydrogen-containing compounds. a hydrogen atom acquires a partial positive charge when it is covalently bonded to an f atom.

Answers

The right answer is:

*Hydrogen bonding occurs when a hydrogen atom is covalently bonded to an N, O, or F atom.

*A hydrogen bond is possible with only certain hydrogen-containing compounds.

*A hydrogen atom acquires a partial positive charge when it is covalently bonded to an F atom.

Further explanation

Watch the animation and identify the correct conditions for forming a hydrogen bond. check all that apply..

This animation showing the transient hydrogen bonding between water molecules.Each water molecule (H2O) has two hydrogens and two lone pairs of electrons on the oxygen, therefore it can make up to four hydrogen bonds with neighbouring molecules.

Hydrogen bonding occurs when a hydrogen atom is covalently bonded to an N, O, or F atom.  It is true because hydrogen bond is present when hydrogen shares electrons with O, N or F atomA hydrogen bond is possible with only certain hydrogen-containing compounds.  This is trueThe CH4 molecule exhibits hydrogen bonding.  It is false because CH4 molecule do not have a hydrogen bonding instead it has dipole dipole attraction.A hydrogen atom acquires a partial positive charge when it is covalently bonded to an F atom. This is true because  since a HF is a polar moleculeA hydrogen bond is equivalent to a covalent bond. It is false because a hydrogen bond is an intermolecular force of attraction whereas covalent bond is a intramolecular force.

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Answer details

Grade:  9

Subject:  Chemistry

Chapter:  hydrogen bond

Keywords: hydrogen bond, covalent bond, hydrogen-containing compounds, partial positive charge, compounds

Hydrogen bonding occurs when a hydrogen atom is covalently bonded to an n, o, or f atom.

A hydrogen bond is possible with only certain hydrogen-containing compounds.

A hydrogen atom acquires a partial positive charge when it is covalently bonded to an f atom.

Hydrogen bonding occurs when a hydrogen atom is covalently bonded to an nitrogen, oxygen, or fluorine atom in which hydrogen shares its electron with these atoms and as a result both atoms get stability. In this type bonding, no complete transfer of electron occurs.

But the electron moves to the atom that have the highest electronegativity value which results in bearing of partial positive charge on hydrogen and partial negative charge on the atom which attracts that electron so we can conclude that hydrogen atom acquires a partial positive charge when it is covalently bonded to nitrogen, oxygen, or fluorine atom atom.

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If you reacted 93.7 grams of iron with excess copper sulfate solution, what mass of copper would you expect to make? You may need to balance the equation first. Fe + CuSO4 -> Cu +FeSO4 A. 89.18 grams
B. 106.25 grams
C. 1.67 grams
D. 104.5 grams

Answers

1)  Chemical equation

Fe + CuSO4 --> Cu + FeSO4

It is already balanced

2) Molar ratios

1 mol Fe : 1 mol CuSO4 : 1 mol Cu : 1 mol FeSO4

3) atomic masses of Fe and Cu

Fe: 55.8 g/mol

Cu: 63.5 g/mol

4) number of moles of Fe

number of moles = mass in grams / atomic mass = 93.7 g / 55.8 g/mol = 1.679 mol

5) number of moles of Cu:

1 mol Fe / 1 mol Cu => 1.679 mol Fe / 1.679 mole Cu

5) mass of Cu in 1.679 moles Cu

mass = atomic mass * number of atoms = 63.5 g/mol * 1.679 moles = 106.6 g = 107 rounded to 3 significant figures.

=> Answer is the option B (although the question should have 3 significant figures).

Which element has the same number of valence electrons as phosphorus? which element has the same number of valence electrons as phosphorus? bi in te rb?

Answers

It will be in the same Periodic Group as phosphorus.

The only one in same group as phosphorus is Bismuth (Bi).

The statement of element has the same number of valence electrons as phosphorus is "Bi."

What are valence electrons?

The electrons present in an atom's outermost energy level, are known as valence electrons. The number of valence electrons in neutral atoms is equal to the main group number of the atom. Valence electrons have a higher energy than inner orbit electrons and therefore involved in the majority of chemical reactions. They help us figure out an element's chemical properties, such as its valency and how it forms bonds with other elements.

An atom with a closed valence electron shell is usually chemically inert. In the outermost energy orbitals, Group 5A elements have five valence electrons (ns2np3). Bismuth (Bi) is positioned in group 5, and hence does have the same number of valence electrons as phosphorus (P), which is 5, since they both belong to the nitrogen family. Rubidium, on the other hand, is an s-block element with one valence electron.

Hence the correct answer is Bi.

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Which statement describes how this graph would change if the reaction could be made to go faster?

Answers

The rate of reaction may be determined using the concentration-time graph of either a reactant or product. The slope of the graph helps in determining the rate of reaction. If the rate of reaction increases, the magnitude of the slope of the graph will increase. This indicates that more reactant is being consumed per unit time, or, in the case of the product, more product is being produced per unit time.

A chemistry student writes the molecular formula for sodium phosphate as na3p1o4. although this version of the formula is acceptable, how is the formula more typically written?

Answers

Although the formula written by the students is acceptable, the chemical formula of the substance is typically written as Na3PO4. Its name is sodium phosphate. It is more favorable to write it as Na3PO4 since in this way you will know how the atoms are bonded and what ions are involved in the substance.

Answer: The molecular formula for this compound is [tex]Na_3PO_4[/tex]

Explanation:

We are given a chemical compound known as sodium phosphate. It is formed by the interaction of oppositely charged ions.

The ions forming this compound are sodium ion [tex](Na^+)[/tex] and phosphate ion [tex](PO_4^{3-})[/tex]

To know the chemical formula for a compound, we use criss-cross method, in which the charge of the ion becomes the subscript of the other ion.

Hence, the molecular formula for given compound will be [tex]Na_3PO_4[/tex]

Why is mendeleevâs periodic table considered a viable scientific model?

Answers

it could be used to explain the behavior of all elements.

Do the positive ions tend to be metals or nonmetals?

Answers

They tend to be metals.

Answer: The correct answer is metals.

Explanation:

Ions are formed when an atom gains or looses electrons.

When an atom looses electrons, it tends to form positive ions known as cations.

When an atom gains electrons, it tends to form negative ions known as anions.

Metals are the elements which looses electrons to form positive ions. For Example: Sodium will loose 1 electron to form [tex]Na^+[/tex] ions.

Non-metals are the elements which gains electrons to form negative ions. For Example: Chlorine will gain 1 electron to form [tex]Cl^-[/tex] ion.

Hence, the correct answer is metals.

He solubility of ba(no3)2is 130.5 grams per liter at 0°c. how many moles of dissolved salt are present in 4.0 liters of a saturated solution of ba(no3)2at 0ºc

Answers

A saturated solution is when there is a dynamic equilibrium between the solute dissolved, the dissociated ions, the undissolved and the compound in the solution. The concentration of a solution that is saturated is equal to the solubility of the solute in solvent at a certain temperature since solubility is the maximum amount of solute that can be dissolved in the solvent to form a solution. For this case, the solubility of barium nitrate is 130.5 g per liter. To determine the moles of barium nitrate, we do as follows:

130.5 g / L = x g / 4.0 L      where x is the mass of barium nitrate in the solution.

x = 522 g Ba(NO3)2

522g Ba(NO3)2 ( 1 mol / 261.34 g ) = 2.00 moles Ba(NO3)2

The process by which hydrogen and oxygen combine to form water can be classified as a what

Answers

The process by which hydrogen and oxygen combine to form water can be classified as Combination reaction.

What is Combination Reaction ?

A combination reaction is a reaction where two or more elements or compounds combine to form a single compound.

Such reactions are represented by equations of the following form :

X + Y → XY.

The combination of two or more elements to form one compound is called a combination reaction.

Therefore, The process by which hydrogen and oxygen combine to form water can be classified as Combination reaction.

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How many moles of o are in 15.0 mol fe(no3)3?

Answers

n[Fe(NO₃)₃]=15.0 mol

n(O)=3×3×n[Fe(NO₃)₃]=9n[Fe(NO₃)₃]

n(O)=9×15.0=135.0 mol

Answer : The number of moles of oxygen atoms are 135 moles.

Explanation : Given,

Moles of [tex]Fe(NO_3)_3[/tex] = 15.0 mole

The given chemical formula is, [tex]Fe(NO_3)_3[/tex]

By the mole concept:

In [tex]Fe(NO_3)_3[/tex], there are 1 mole of iron (Fe) atom, 3 moles of nitrogen (N) atoms and 9 moles of oxygen (O) atoms.

As, 1 mole of [tex]Fe(NO_3)_3[/tex] contains 9 moles of oxygen atoms

So, 15.0 moles of [tex]Fe(NO_3)_3[/tex] contains [tex]15.0\times 9=135[/tex] moles of oxygen atoms.

Hence, the number of moles of oxygen atoms are 135 moles.

What precipitate forms when silver nitrate and potassium chromate solutions are mixed?

Answers

A precipitate is an insoluble product formed, when two solutions are mixed, this reaction is called precipitation reaction.

The balanced equation for this reaction is:

2 AgNO3 + K2CrO4 (aq)------->Ag2CrO4 (s) + 2 KNO3

so when silver nitrate and potassium chromate solutions are mixed, precipitates of silver nitrate are formed.

 

Explanation:

When we obtain insoluble solid from a liquid solution, then this insoluble solid is known as precipitate.

When silver nitrate and potassium chromate solutions are mixed together then there is formation of silver chromate and potassium nitrate.

The reaction is as follows.

     [tex]2AgNO_{3}(aq) + K_{2}CrO_{4}(aq) \rightarrow Ag_{2}CrO_{4}(s) + 2KNO_{3}(aq)[/tex]

This insoluble solid [tex]Ag_{2}CrO_{4}[/tex] is the precipitate and it has a red-brown color.

How would you classify sugar? 4)

a.pure substance-compound

b.mixture-heterogeneous

c.pure substance-element

d.mixture-homogeneous

e.none of the above?

Answers

If by sugar you're referring to glucose, then this is a pure substance-compound. Glucose isn't an element, as it's made of carbon, hydrogen, and oxygen. Because sugar is a molecule (and not a mixture), this leaves A as the only possible answer. Hope this helps!
Final answer:

Sugar is a pure substance, specifically, it is classified as a compound composed of carbon, hydrogen, and oxygen atoms. As such, the answer to the multiple-choice question is (a) pure substance compound.

Explanation:

Sugar is a type of substance that is considered to be a pure substance compound. A compound is a chemical substance composed of many identical molecules composed of atoms from more than one element. In the case of sugar, specifically sucrose, it is composed of carbon, hydrogen, and oxygen atoms.

A pure substance is a material that has a constant composition and cannot be separated into its constituent parts without undergoing a chemical reaction. Sugar meets this definition as it is composed of the same type of molecule throughout the entire substance.

Therefore, the answer is (a) pure substance-compound.

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When liquid phosphorus trichloride is added to water, it reacts to form aqueous phosphorous acid, h3po3(aq), and aqueous hydrochloric acid?

Answers

Answer: check explanation

Explanation:

Complete question: When liquid phosphorus trichloride is added to water, it reacts to form aqueous phosphorous acid, h3po3(aq), and aqueous hydrochloric acid. express your answer as a balanced chemical equation. Identify all the phases in your answer?

SOLITION:

The solution to the question we have here is to balance the chemical reaction. But before we do that, let us take some notes on one of the REACTANTS, Phosphorus trichloride. Phosphorus trichloride is also known as trichlorophosphine. Phosphorus trichloride is a yellow fuming liquid that has a pungent smell. The smell of Phosphorus trichloride is very similar to that of Hydrogen chloride.

Phosphorus trichloride has a molecular weight of 137.33 g/mol.

Phosphorus trichloride can react with water to form HP0(OH)2 with HCl or H3PO3 and HCl.

The balanced equations of Reaction are given below;

(1). PCl3 (l)+ 3H2O (l) --------> H3PO3 (aq) + 3HCl (aq).

(2). PCl3 (l) + 3H2O (l) ------> HPO(0H)2 (aq) + 3HCl (aq).

For the question, the reaction to use is the equation (1).

Phosphorus trichloride,PCl3 is in liquid phase, water,H2O is in liquid phase two( both reactants are in liquid phase).

H3PO4 are both in aqeous phase.

Final answer:

Liquid phosphorus trichloride reacts with water to form aqueous phosphorous acid and aqueous hydrochloric acid through hydrolysis, showcasing its application in producing phosphorous acid.

Explanation:

When liquid phosphorus trichloride (PCl3) is added to water, it reacts to form aqueous phosphorous acid, H3PO3(aq), and aqueous hydrochloric acid. This reaction is an example of hydrolysis, a chemical process by which a compound reacts with water, leading to the decomposition of the original compound and the formation of new compounds. In this particular reaction, the phosphorus trichloride undergoes hydrolysis to yield phosphorous acid and hydrochloric acid, as represented by the chemical equation PCl3(l) + 3H2O(l) → H3PO3(aq) + 3HCl(g). Phosphorous trichloride is thus a valuable precursor for generating phosphorous acid, a compound that finds application in various chemical syntheses and industries.

Which one of the following is NOT a cause of acid precipitation?
a. sulfur dioxide from burning coal
b. nitrogen oxides from car exhaust
c. destruction of the ozone layer

Answers

destruction of the ozone layer

Answer:

c. destruction of the ozone layer

Explanation:

The destruction of the Ozonoe Layer is causing for example that the world starts to heat, and global warming is a direct consequence of the destruction of the ozone layer, but the acid precipitation is cause by certain gases that are emitted by human activity like industries, that get trapped in the drops of rain fall and make acidic rain.

How are amounts of hydrogen and oxygen gas made from the electrolytic decomposition of water related to the chemical formula of water?

Answers

Very simply, you get twice as much Hydrogen as Oxygen, because the chemical formula is H2O, meaning two hydrogen atoms bonded to one oxygen atom.

Identify the molecule with the strongest intermolecular force
HF
HCl
Hl
HBr

Answers

Hey there !:

HF s molecule with the strongest intermolecular force

HF > HI > HBr > HCl

The main factor of influence at the boiling point is the question of intermolecular forces, but not only that, the molar mass also has influence (the greater the molar mass, the greater the boiling point). Note that the only one forming hydrogen bridges is the HF, therefore the largest boiling point, iodine, bromine and chlorine have the same type of intermolecular (permanent dipole) connections as they are polar, and what will differentiate the boiling point of each one is the molar mass.


If eight atoms of iron react completely with six molecules of oxygen, how many units of iron oxide will be formed?

Answers

8Fe + 6O₂ -----> 4Fe₂O₃

If eight atoms of iron react completely with six molecules of oxygen, 4 molecules of iron (III) oxide will be formed.
Other Questions
What context clue best helps clarify the meaning of the word "odious" in this sentence from "The Black Cat," by Edgar Allan Poe? I did not, for some weeks, strike, or otherwise violently ill use it; but gradually very gradually I came to look upon it with unutterable loathing, and to flee silently from its odious presence, as from the breath of a pestilence.A. very graduallyb. to flee silentlyc. unutterable loathingd. look upon it The sum of two numbers is 60. The larger number is 18 more than the smaller number. What are the numbers? Linda is putting money into a savings account. She starts with $450 in the savings account, and each week she adds $70 . Let S represent the total amount of money in the savings account (in dollars), and let W represent the number of weeks Linda has been adding money. Write an equation relating S to W . Then use this equation to find the total amount of money in the savings account after 19 weeks. Harrison is working on a paper that requires research support. he knows that the ashford library should be his primary resource for information, but he also knows that certain websites offer credible material too. he feels comfortable investigating government websites or those hosted by educational organizations. harrison can most easily identify such websites by checking the __________. Html uses _________ to annotate documents. this is a way of marking up the content to identify specific html elements. Translate the algebraic expression shown below into a verbal expression.Fraction with variable x in numerator and 4 in the denominator. The sum of four and some number The product of some number and four The difference of four and some number The quotient of some number and four est answer will get BRAINLIEST! In which stage of mitosis do the identical sets of chromosomes uncoil and resume their chromatin form? A scientist separates a population of fruit flies into two groups what would most likely increase the rate of speciation in this population what is the most important safety precaution or rule that you can follow? Explain why you think it is so important. a tree casts a 9 ft shadow at the same time that a person 6 ft tall casts a 4 ft shawdow. what is the height of the tree? which enlightenment philosopher introduced the idea tht people enter a social contract with the purpose of maintaining order in society I SERIOUSLY NEED HELP HERE!!!!!PLEASE SOMEONE HELP ME ON THIS!!!!!NEED MAJOR HELP HERE CALCULATOR QUIT ON ME!!!!!!!scientific calculator of a TI83 or TI84 ( does that help?)Use the data below to find the correlation coefficient. (Remember to choose DiagnosticOn on your calculator.)x y270 70230 75250 68310 82285 80275 76281 73267 81252 72246 79The correlation coefficient is _____. Round to the nearest thousandth. THESE ARE MY OPTIONS:a. 0.438b. 0.192c. 0.5d. 0.720 effects of the War of 1812 on the United States?A) gains of territory and moneyB) military heroes who went on to becomenational leadersC) a surge of national pride and confidenceD) further military conflicts with American Indians The length and width of a rectangle are 4.9^9 cm and 5.3^3 cm, respectively. What is the approximate area of the rectangle, using only positive exponents?A) 5^6cm^2B) 4^6cm^2C) 5^12cm^2D) 4^12cm^2 Find the equation for the tangent line of f(x)=3x27x+3 at x=3. When you go on a date with one other person, you have formed a:? According to the ________, seeing a crocodile in the swamp would lead simultaneously to both the emotion fear and running away at the same time. however, the ________ would suggest that people are afraid because they run away. cannon-bard theory of emotion; james-lange theory of emotion cannon-bard theory of emotion; somatic marker theory of emotion two-factor theory of emotion; james-lange theory of emotion two-factor theory of emotion; cannon-bard theory of emotion Joannes puppy is very large, but also submissive. when the puppy meets a more dominant dog, she lies on the grass on her back, shows her belly, and wiggles. this is an example of ____. During world war II, about 1.8% of US soldiers were killed directly in battle. Thid number went down to 0.5% at Vietnam War. What was this number in the Persian Gulf War? URGENT NUMBER TEN Please help me thank you the last 2 are the words Steam Workshop Downloader