For the oxidation of glucose (C6H12O6 + 602 + 6H20 + 6CO2), how many grams of
oxygen gas will be consumed when 950 g of glucose is oxidized completely?

A) 480 g

B) 571 g

C) 960 g

D) 1,013g

Answer:

Equal

Explanation:

When the bowling ball is first dropped, it has a maximum potential energy but minimum kinetic energy.  The height is max, so the potential energy will be greatest.  Velocity is 0, so kinetic energy will be 0.

Explanation:

        Another example is -

        Khushi = antecedent; her = personal pronoun.

it is true

because it is true

Antimony

Explanation:

The element with this ionization energies is antimony, Sb.

This is because the element has 5 ionization energies.

IE1 579

IE2 1814

IE3 3740

IE4 12479

IE5 14840

Ionization energy is the amount of energy required for the removal of an electron in an atom.

Each shell in an atom have their own respective ionization energies that increases as we penetrate into the atom.

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Answer:

                     %age Yield  =  22.72 %

Explanation:

                    The balance chemical equation is as follow;

                           2 NH₄Cl + CaO → 2 NH₃ + CaCl₂ + H₂O

Step 1: Calculate Moles of CaO, NH₄Cl and NH₃;

CaO:

        Moles  =  Mass / M.Mass

        Moles  =  112 g / 56.07 g/mol

        Moles  =  1.99 moles of CaO

NH₄Cl:

        Moles  =  Mass / M.Mass

        Moles  =  224 g / 53.49 g/mol

        Moles  =  4.18 moles of NH₄Cl

NH₃:

        Moles  =  Mass / M.Mass

        Moles  =  16.3 g / 17.03 g/mol

        Moles  =  0.95 moles of NH₃

Step 2: Calculate Limiting reagent as:

According to equation.

                   2 moles of NH₄Cl reacts with  =  1 mole of CaO

So,

              4.18 moles of NH₄Cl will react with  =  X moles of CaO

Solving for X,

                     X =  4.18 mol × 1 mol / 2 mol

                     X  =  2.09 mol of CaO

This means that none of the given reagent is limiting reagent. They both are almost equal in number of moles.

Step 3: Calculate Theoretical Yield of NH₃ as;

According to equation.

                   2 moles of NH₄Cl produced  =  2 moles of NH₃

So,

              4.18 moles of NH₄Cl will produce  =  X moles of NH₃

Solving for X,

                     X =  4.18 mol × 2 mol / 2 mol

                     X  =  4.18 mol of NH₃

Step 4: Calculate Percentage Yield as;

             %age Yield  =  Actual Yield / Theoretical Yield × 100

             %age Yield  =  0.95 mol / 4.18 × 100

             %age Yield  =  22.72 %

The percent yield of a reaction is calculated by dividing the actual yield by the theoretical yield and multiplying by 100. In this case, it would involve using stoichiometry to calculate the theoretical yield of NH3 from 112 g of CaO, then dividing the actual yield of 16.3 g by the theoretical yield and multiplying by 100.

The percent yield of a reaction is calculated by taking the actual yield (the amount actually produced by the reaction) and dividing it by the theoretical yield (the amount that could have been produced under perfect conditions), then multiplying by 100 to get a percentage. In this case, we don't have the theoretical yield, but we know that 16.3 g of ammonia gas was produced from 112 g of Calcium Oxide and 224 g of ammonium chloride.

The reaction between Calcium Oxide and ammonium chloride is: CaO + 2NH4Cl -> 2NH3 + H2O + CaCl2

First, use stoichiometry to calculate the theoretical yield of NH3 from 112 g of CaO. Then, divide the actual yield by the theoretical yield, and multiply by 100 to get the percent yield.

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John Dalton's atomic theory described atoms as identical within an element, claimed all matter is composed of atoms, and stated that elements combine in constant ratios in compounds.

John Dalton included several characteristics in his description of the atom that were fundamental to the formation of atomic theory. According to Dalton, B. In any element all the atoms are the same is a characteristic of atoms. He argued that each element has atoms that are identical in mass and properties but different from atoms of other elements. Another characteristic he proposed was D. All matter is made up of atoms, asserting that these atoms were the smallest particles constituting matter. Lastly, Dalton included that E. Elements in a compound are always in a constant ratio, meaning that compounds are formed by combining different types of atoms in fixed, small, whole-number ratios. Dalton's atomic theory, although later refined and partially revised, laid the groundwork for modern chemistry by providing a conceptual framework for understanding the composition of matter.

molar mass of Zn is 65.38 g/mol≅65.4 g/mol

65.4 g Zn* 1 mol Zn/64.4g* (6.022*10^23) atoms/1 mol Zn

hence, there are 6.022*10^23 atoms

Answer:

the answer is d

Explanation:

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Final answer:

Among the provided options, 'A cup with steam coming from it will be hot to the touch' is an example of an inference because it is a conclusion based on the observation of steam, indicating the cup's contents are hot.

Explanation:

The question asks for the identification of an inference among four options. An inference is a conclusion reached based on evidence and reasoning rather than from explicit statements. Option d, 'A cup with steam coming from it will be hot to the touch', is an inference because it is a conclusion that one arrives at after observing steam, which suggests that the liquid inside the cup is likely hot.

Inference Examples

In the context of a joke, the question 'How many months have 28 days?' with the answer 'All of them' involves linguistic or logical inference as it plays on the expectation that people will think of February alone.

Answer:

sodium chloride and silver nitrate

Explanation:Movable sodium chloride and silver nitrate 2 IN () solution

The pairs of reactants that will occur most quickly is ) oxygen and methane (CHA)

When the reaction of oxygen and methane occurs,  methane and oxygen are said to undergo combustion and  give off carbon dioxide (CO2) and water (H2O).

This is known to be a combustion reaction as  it creates a huge amount of heat, that tends to makes  it a vital too for production of fuel source. Methane is a known to be a good and efficient greenhouse gas.

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Answer:

                        4.21 mol of SnO₂

Explanation:

                      The balance chemical equation for this single replacement reaction is as follow;

                              SnO₂ + 2 H₂ → Sn + 2 H₂O

Step 1: Calculate moles of Sn as:

Moles = Mass / A.Mass

Moles = 500 g / 118.71 g/mol

Moles = 4.21 moles

Step 2: Find out moles of SnO₂ as,

According to balance equation,

                      1 mole of Sn is produced by  =  1 mole of SnO₂

So,

               4.21 moles of Sn will be produced by  =  X moles of SnO₂

Solving for X,

                      X =  1 mol × 4.21 mol / 1 mol

                       X  =  4.21 mol of SnO₂

Answer:

The correct answer is : It can help cones to open and release seeds.

Explanation:

Answer:

The answer is A. It can help cones open and release seeds.

Explanation:) edge 2023 brainliest would be appreciated

A mole is a measuring unit, but more precisely, it is a quantity. A mole quantifies the quantity of something, just as 12 of something signifies 12 of that item. Avogadro's number is the quantity that makes up 6.022 x 10²³ in a mole, which is the quantity in question.

A mole of phosphorus or any other chemical substance consists of 6.022 x 10²³ molecules. Therefore, to determine the amount of moles of phosphorous if you have 1.20x10²⁵ atoms, just divide by Avogadro's number.

(1.20x10²⁵ atoms)/(6.022 x 10²³ atoms/mol) = 19.969 mole.

(3.87 x 10²¹)/(6.022 x 10²³ atoms/mol) = 6.43 X 10⁻³ mole

(4.81 x 10¹⁴)/ (6.022 x 10²³ atoms/mol) =  7.98 X 10⁻¹⁰ mole

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Answer:

1st answer: Taproots

2nd answer: fibrous roots

Explanation:

Answer:

3.0 atm is correct

Explanation:

303,900 pa = 2.999259 atm

303,900 pa = 2279.4371 mmHg

Answer:3atm

Explanation:

101325 Pa = 1atm

303,900 Pa = 303,900/101325 = 3atm

A sample of sucrose was burned in a calorimeter, and 41,600 joules of heat energy were released. and 13,160 joules of heat energy were absorbed by the cold water.

Sucrose is a disaccharide made of glucose and fructose. It's commonly known as “table sugar” but it can be found naturally in fruits, vegetables, and nuts.

It is known that when mixing hot water with cold water at equilibrium:

The amount of heat released from hot water = the amount of heat absorbed by cold water.

Two bodies of different temperature when come in contact with each other then heat is transferred from hot body to cold body until a thermal equilibrium is maintained between them.

Hence, when hot water has 13,160 joules of energy then this energy will be absorbed by a sample cold water. This means that hot water has released 13,160 joules of energy.

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Answer: It absorbed 41,600 joules.

Explanation: got it right on the test

Answer:

b) Sequoyah

Explanation:

The Cherokee syllabary is a syllabary invented by Sequoyah in the late 1810s and early 1820s to write the Cherokee language.

The property that is different from the rest based on the categories of physical and chemical properties is Boiling point.

Boiling point is a physical property because it is associated with the phase change of a substance from liquid to gas and does not involve a change in the chemical composition of the substance. It is a characteristic of a substance that can be measured at a specific pressure and is used to identify substances.

Flammability is a chemical property because it involves a chemical reaction, specifically combustion, where the substance reacts with oxygen to produce heat and light. This reaction results in the formation of new substances with different chemical compositions.

Magnetism is considered a physical property as it pertains to the behavior of a substance in the presence of a magnetic field. It does not involve a change in the chemical composition of the material.

Thermal conductivity is also a physical property. It measures the ability of a material to conduct heat and is a characteristic that can be measured without changing the chemical identity of the substance.

In summary, boiling point, magnetism, and thermal conductivity are physical properties, while flammability is a chemical property. Boiling point is the one that is different from the rest in terms of the physical and chemical property categories

Answer:

hydrogen

Explanation:

Answer:

hydrogen

Explanation:

Answer: Positively charged protons, neutral neutrons, and negatively charged electrons.

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Answer: 0.14 mole C2H2

Explanation: solution attached:

Derive n from PV= nR

n= PV/RT

= 1 atm ( 3.25 L) / (0.08205 L.atm/mol.K) ( 273 K)

= 0.14 mole C2H2

Answer:

It’s D

Explanation:

It’s an alloy so it is not pure. If you take a small sample and analyze it, the mixture will be similar throughout. Think of Gatorade as a homogeneous mixture because it is the same concentration of all ingredients throughout. Think of pizza for heterogeneous mixtures. There isn’t the pepperoni (or whatever you prefer) throughout.

Sterling silver is a homogeneous mixture, or a solution, because it is a combination of silver and other metals that are uniformly mixed together to create a consistent composition.

Sterling silver is considered to be a homogeneous mixture, or a solution. A homogeneous mixture is a combination of two or more substances that are so intimately mixed that they behave as a single substance. In the case of sterling silver, it is a mixture of silver and other metals, such as copper, that are uniformly mixed together to create a uniform composition throughout.

Answer:

Option A. a chemical change

Explanation:

A chemical change is a change in which new substance is formed and can not be easily reversed. A change of metal color when exposed to air for a long time is simply called rusting. This is a chemical change as new substance is formed. This can be seen when Zn roofing sheets changes color over time on exposure to air.

Answer:

1.728 mg/kg

Explanation:

First have to convert the patient's weight to kg

1 lb = 0.454 kg

185 lb in kg = 83.9 kg

Then we have to divide the dose per the weight of the patient

145 mg for 83.9 kg =  145/83.9

= 1.728 mg/kg

Answer:

The sun is our main source of heat and light energy. A source is where something comes from. The heat we feel and the light we see here on Earth is mainly from our nearest star, the sun.

Explanation:

HYDROGEN is the correct answer just test 2021

Answer: they’re the almost the same size almost the same mass and made up of the same materials

Explanation:

Answer:

electricity

Explanation:

i took the test and got the answer right.

There can be emissions of radiations like gamma radiation. There can be emission of particles too like alpha particle. Therefore, electricity is the final outcome of a nuclear generating plant.

Nuclear decay is process in which the radioactive element releases particles or radiations. Alpha particles is ⁴₂He. Alpha particle is nothing but helium particle. the kinetics of decay of radioactive nuclear decay is of first order kinetics.

The rate law for first order kinetics is

K=(2.303/T)×log(a/a-x)

Where

k - rate constant

t - time passed by the sample

a - initial amount of the reactant

a-x - amount left after the decay process

Electricity is the final outcome of a nuclear generating plant. A nuclear power plant is a thermal power station in which we produce electricity using nuclear reactor.

Therefore, electricity is the final outcome of a nuclear generating plant.

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Answer:

6,1,2,3

Explanation:

Hope this helped!

Answer:

                    The strongest force that exists between molecules of Ammonia is Hydrogen Bonding.

Explanation:

                    Hydrogen Bond Interactions are those interactions which are formed between a partial positive hydrogen atom bonded directly to most electronegative atoms (i.e. F, O and N) of one molecule interacts with the partial negative most electronegative atom of another molecule.

                    Hence, in ammonia the nitrogen atom being more electronegative element than Hydrogen will be having partial negative charge and making the hydrogen atom partial positive. Therefore, the attraction between these partials charges will be the main force of interaction between ammonia molecules.

                  Other than Hydrogen bonding interactions ammonia will also experience dipole-dipole attraction and London dispersion forces.

Boyle's law is used to solve this problem.

The Volume occupied is 56 mL.

Explanation:

As per the Boyle's law, Pressure and volume are inversely proportional to each other, when mass and temperature remains constant or the product of the volume and pressure remains constant.

PV = C

P₁V₁ = P₂V₂

V₂ = P₁V₁ / P₂

  = 130 × 97 / 225

  = 56  mL