Answer: Option (D) is the correct answer.
Explanation:
Bases are the substances that release hydroxide ions when dissolved in water.
A strong base will dissociate completely in water and give more number of hydroxide ions [tex](OH^{-})[/tex]. Whereas a weak base will slightly dissolve to give hydroxide ions [tex](OH^{-})[/tex] in water.
So, a strong base will have high electrical conductivity and a weak base will have low electrical conductivity.
Since, both are bases (strong base and weak base) therefore, both of them will have bitter taste, slippery texture and they will turn red litmus into blue.
Hence, we can conclude that electrical conductivity tests could be safely used to distinguish a strong base from a weak base.
Litmus paper tests could be safely used to distinguish a strong base from a weak base. The correct answer is C.
To distinguish a strong base from a weak base, one can use litmus paper as a safe and effective method. Litmus paper is a pH indicator that changes color in response to the acidity or basicity of a solution.
When a strong base, such as sodium hydroxide (NaOH), comes into contact with litmus paper, it will cause a dramatic color change, typically from red to blue in the case of blue litmus paper.
This is because strong bases have a high concentration of hydroxide ions (OH-) and can rapidly accept protons (H+), leading to a significant increase in pH.
On the other hand, a weak base, such as ammonia (NH3), will also cause a color change but to a lesser extent or more slowly, reflecting its lower ability to accept protons compared to a strong base.
The pH change will be less dramatic, and the color change on the litmus paper may be less pronounced or take longer to occur.
The other options are not suitable for distinguishing between strong and weak bases:
A. Taste -
Tasting chemicals is extremely dangerous and should never be done. It does not provide a safe method to distinguish between strong and weak bases.
B. Touch -
While some bases may feel slippery or soapy to the touch due to the formation of soap-like substances when they react with oils on the skin, this method is not safe and does not provide a clear distinction between strong and weak bases.
D. Electrical conductivity -
Both strong and weak bases can conduct electricity if they are ionic and dissociate into ions in solution. Therefore, electrical conductivity cannot be used to distinguish between the strength of bases.
In summary, litmus paper is the safest and most reliable method among the options provided to distinguish a strong base from a weak base based on the degree of color change and the speed of the reaction.
what has to happen in order for work to be done
Answer:
Explanation:
For work to be done, force must be applied to move an object in the direction of the applied force.
Work is the product of force and distance. Workdone describes a change of energy between places.
If we apply force to a body without moving it through a distance, no work is done.
Work is only done when force is applied to move or displace a body.
If we only apply force and no movement occurs, no work is done..
The unit of force is Joules.
In physics, work is done when a force is applied to an object and the object is displaced in the direction of the force. The work done is the product of the force's component in the direction of displacement and the distance the object moves. No displacement in the direction of the force means no work is done, even if effort is exerted.
Explanation:Concept of Work in PhysicsIn physics, for work to be done, two primary conditions must be fulfilled. First, a force must be applied to an object. Second, the object must experience a displacement in the direction of the force. If either of these conditions is not met, work is considered not to have occurred, regardless of the effort put in. For example, pushing against a wall with great effort does not constitute work unless the wall moves. If the wall does move, the energy used to cause this movement is the work done.
The work done is mathematically defined by the dot product of the force and displacement vectors, signifying that the direction of the force relative to the displacement is crucial in calculating the work performed. Therefore, when an external force causes an object to move, and this movement is in the same direction as the force, the product of the force's component along the direction of displacement and the distance moved is the work done. This could mean overcoming resisting forces like friction and moving a mass along a surface, or it could imply the conversion of one type of energy into another.
A chemist prepares an aqueous solution with a volume of 250 mL, containing 4.3 g of KOH. what is the molarity of the solution?
Answer:
either 58.1 or 1075
Explanation:
250 / 4.3 = 58.1
250 * 4.3
8g of aqueous Sodium Hydroxide reacts with 4g of aqueous Aluminum Chloride to produce aqueous Sodium Chloride and solid Aluminum Hydroxide. Balance the equation and give the limiting and excess reactants.
Answer:
The limiting reactant is AlCl₃ and the excess reactant is NaOH.
Explanation:
The balanced equation for the mentioned reaction is:3NaOH(aq) + AlCl₃(aq) → 3NaCl(aq) + Al(OH)₃(s)↓,
It is clear that 3.0 moles of NaOH(aq) react with 1.0 mole of AlCl₃(aq) to produce 3.0 moles of NaCl(aq) and 1.0 mole of Al(OH)₃(s).
Firstly, we need to calculate the no. of moles of (8.0 g) of NaOH and (4.0 g) of AlCl₃:no. of moles of NaOH = mass/molar mass = (8.0 g)/(40.0 g/mol) = 0.2 mol.
no. of moles of AlCl₃ = mass/molar mass = (4.0 g)/(133.34 g/mol) = 0.03 mol.
From stichiometry; NaOH reacts with AlCl₃ with (3: 1) molar ratio.∴ 0.09 mol of NaOH (the remaining 1.1 mol is in excess) reacts completely with 0.03 mol of AlCl₃.
So,
the limiting reactant is AlCl₃ and the excess reactant is NaOH.
What mass of ammonium chloride is dissolved in 300 mL of a 0.875M solution?
Answer:
9.32 g.
Explanation:
Molarity is the no. of moles of solute per 1.0 L of the solution.M = (no. of moles of NH₄Cl)/(Volume of the solution (L))
M = 0.875 M.
no. of moles of NH₄Cl = ??? mol,
Volume of the solution = 300 mL = 0.3 L.
∴ (0.875 M) = (no. of moles of NH₄Cl)/(0.3 L)
∴ (no. of moles of NH₄Cl) = (0.875 M)*(0.3 L) = 0.2625 mol.
To find the mass of NH₄Cl, we can use the relation:no. of moles of NH₄Cl = mass/molar mass
∴ mass of NH₄Cl = (no. of moles of NH₄Cl)*(molar mass) = (0.2625 mol)*(53.491 g/mol) = 9.316 g ≅ 9.32 g.
The mass of ammonium chloride dissolved in 300 mL of a 0.875M solution is 14.90 g.
Explanation:To find the mass of ammonium chloride dissolved in 300 mL of a 0.875M solution, we need to use the formula:
Mass = Volume x Concentration x Molar mass
The molar mass of ammonium chloride is 53.49 g/mol. Substituting the given values, we get:
Mass = 0.300 L x 0.875 mol/L x 53.49 g/mol = 14.90 g
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if the initial concentration of acetic acid is .200 M and the equilibrium concentration of H3O+ is .0019 M, calculate Ka for acetic acid
The acid dissociation constant (Ka) for acetic acid, given the initial concentration of 0.200 M and the equilibrium concentration of H3O+ is 0.0019 M, is 1.82 × 10⁻µ.
Explanation:To calculate the acid dissociation constant (Ka) for acetic acid, we can use the information provided that the initial concentration of acetic acid is 0.200 M and the equilibrium concentration of H3O+ is 0.0019 M. Using the chemical equation for the dissociation of acetic acid (CH3COOH):
CH3COOH(aq) ⇌ CH3COO−(aq) + H3O+(aq),
we know that at equilibrium, the concentration of H3O+ ions will be the same as the concentration of CH3COO− ions. Therefore, [CH3COO−] = [H3O+] = 0.0019 M.
Because acetic acid is a weak acid, we can assume that the change in concentration of acetic acid is roughly equal to the concentration of H3O+ ions produced. Thus, the equilibrium concentration of CH3COOH will be 0.200 M - 0.0019 M = 0.1981 M. The formula for Ka is:
Ka = [CH3COO−][H3O+] / [CH3COOH]
Substituting the equilibrium concentrations into this formula gives:
Ka = (0.0019 M)(0.0019 M) / (0.1981 M) = 1.82 × 10⁻µ,
which is the Ka for acetic acid.
How many neutrons does element X have if its atomic number is 25 and its mass number is 91?
Answer:
66
Explanation:
The number of neutrons is the atomic number (25) subtracted from the mass (91). So, 91 - 25 = 66.
How do scientist know climate change is happening is it
A.They measure the amount of greenhouse gases in the atmosphere, and the temperature over many years
B.They measure the amount of water in the ocean that covers the earth
C.They measure the amount of clouds in the atmosphere over many years.
Answer: The answer would be A;They measure the amount of greenhouse gases in the atmosphere, and the temperature over many years.
Explanation: If scientists only went off of clouds, they'd only be able to tell if it is about to rain. If they only observed the oceans, they'd only be able to tell when a tornado or tsunami was about to occur.
Answer: The answer is A. Thay measure the amount of greenhous gases in the atmosphere and the temperature over many years
Explanation:
Which rule is used for writing the name of an ionic base?
The chemical name begins with “hydro.”
The chemical name ends with “hydroxide.”
The “ide” ending is changed to “ic.”
The polyatomic “ate” ending is changed to “ic.”
Answer:
The chemical name ends with “hydroxide.”
Explanation:
1- we write the name of the metal first and after that write the nonmetal:
Ex : NaOH ( sodium hydroxide)
2- any compound contains OH group is an ionic base and this group called hydroxide group
3- "Ous" ending is given in the ions with the lower oxidation.
4- " ic" ending is given in the ions with the higher oxidation.
So, the correct answer is: The chemical name ends with “hydroxide.”.
Answer:
The chemical name ends with “hydroxide
Explanation:
got right on edge 2020
The bond between F and Cl would be: pure covalent polar covalent ionic metallic
Answer:
Polar Covalent
Explanation:
Chlorine and Fluorine are both halogens. They are in group VII.
The Pauling's electronegativity value of these elements are:
F = 4.0
Cl = 3.0
Electronegativity of an element is a property that combines the ability of its atom to lose and gain electrons. It can be used to predict bond type.
For heteronuclear molecules where the electronegativity difference is between 0.5 and 1.7 there will not be an equal sharing of the electron pair between the atoms involved.
The bond that results is a Polar Covalent bond.
When the electronegativity difference is zero or less than 0.5, a non-polar covalent bond forms. There would be an equal sharing of the electron pair donated.
100 ml of gaseous hydrocarbon consumes 300
ml of oxygen for the complete combustion.
The hydrocarbon is
a. C2H4
b. C2H2
C. C3H8
d. C2H6
The answer would be a. C2H4(ethylene)
1C2H4+3O2~>2CO2+2H2O
Answer:
a. C2H4.
Explanation:
Let's look at the balanced equation for C2H4.
C2H4 + 3O2 --> 2CO2 + 2H2O
So 1 mole of this hydrocarbon reacts with 3 moles of oxygen and since 1 mole of one gas occupies the same volume as another gas, the volumes will be in the ratio 1:3. So this is the required hydrocarbon.
find the mass of 3.50x10^23 molecules of nitrogen gas
Answer:
16.27 g.
Explanation:
It is known that every 1.0 mol of a compound contains Avogadro's no. of molecules (6.022 x 10²³).Using cross multiplication:
1.0 mol of N₂ gas contains → 6.022 x 10²³ molecules.
??? mol of N₂ gas contains → 3.50 x 10²³ molecules.
∴ The no. of moles of N₂ gas = (1.0 mol)(3.50 x 10²³ molecules)/(6.022 x 10²³ molecules) = 0.5812 mol.
∴ The mass of 3.50 x 10²³ molecules of N₂ gas = (no. of moles)*(molar mass) = (0.5812 mol)(28.0 g/mol) = 16.27 g.
Final answer:
To calculate the mass of 3.50x10²³ molecules of nitrogen gas, we apply the concept of molar mass (28.01 g/mol) and Avogadro's number, resulting in a mass of approximately 16.3 grams.
Explanation:
To find the mass of 3.50x10²³ molecules of nitrogen gas (N₂), we must first understand the concept of molar mass and Avogadro's number (6.02x10²³ mol⁻¹). The molar mass of N₂ is 28.01 g/mol, which means one mole (6.02×10²³ molecules) of nitrogen gas has a mass of 28.01 grams.
To calculate the mass of 3.50×10²³ molecules, we use the proportion method:
1 mole (6.02×10²³ molecules) : 28.01 g = 3.50×10²³ molecules : X g
Solving for X gives us the mass of the nitrogen gas:
X = (3.50×10²³ / 6.02×10²³) × 28.01 g
Therefore, X = 16.3 grams (approximately).
This calculation illustrates how we can determine the mass of a specific number of gas molecules using the principles of molar mass and Avogadro's number.
What are two fungal skin infections that humans can contract?
pneumonia and ergot disease
ergot disease and athlete’s foot
athlete’s foot and ringworm
ringworm and pneumonia
Answer:
athlete’s foot and ringworm- third choice
The two common fungal skin infections that humans can contract are athlete's foot and ringworm. They are both caused by fungi called dermatophytes, treated with antifungal creams and powders, and more persistent cases may require prescription medication.
The two common fungal skin infections that humans can contract are athlete's foot and ringworm.
Athlete's foot, medically known as tinea pedis, is a contagious infection that affects the skin on the feet and can spread to the toenails and sometimes the hands.
It is characterized by a scaly rash that usually causes itching, stinging, and burning.
Ringworm, or tinea corporis, is not caused by a worm but by a fungus, and it presents as a red, circular rash on the skin.
Both of these infections are caused by dermatophytes, which are fungi that feed on keratin, a protein found in skin, hair, and nails.
These infections are typically treated with over-the-counter antifungal creams and powders, although more persistent cases might require prescription medication.
Which of the following elements would most likely have the physical property of malleability?
A. N
B. He
C. Cu
D. P
A. N would probably be the one
Need Help ASAP- Chemistry
Answer:
Q1: 1.67 L.
Q2: Saturated solution.
Explanation:
Q1:
We have the role that the no. of millimoles before dilution is equal to the no. of millimoles after dilution.(MV) before dilution = (MV) after dilution
M before dilution = 10.0 M, V before dilution = 0.5 L.
M after dilution = 3.0 M, V after dilution = ??? L.
∴ V after dilution = (MV) before dilution / M after dilution = (10.0 M)(0.5 L) / (3.0 M) = 1.67 L.
Q2:
From the given curve, it is clear that the solubility of sodium nitrate at 35.0°C is 100 g per 100 g of water.
So, the mentioned solution is a saturated solution at this T.
A saturated solution is a chemical solution containing the maximum concentration of a solute dissolved in the solvent.
What are hydrogen bonds?
O
A. An extra-strong form of the Van der Waals force between
molecules
O
O
B. The bonds between hydrogen and another atom in a molecule
C. The bonds between hydrogen atoms in an Hz molecule
D. Extra-strong intermolecular attractions between polar molecules
Answer:
D. Extra-strong
Explanation:
a p e x
Iron and aluminum are examples of _____________.
Iron and aluminum are examples of elements, which are pure substances that cannot be broken down into simpler substances by chemical changes. Both are naturally occurring and widely used in various applications.
Explanation:Iron and aluminum are examples of elements. Elements are pure substances that cannot be broken down into simpler substances by chemical changes. Iron and aluminum both occur naturally on earth and are widely used in various applications. For example, iron is a key component in steel making and is also an important element in hemoglobin in the blood, while aluminum is a good reducing agent and is used in a multitude of products such as foil and cookware. Other examples of elements include silver, gold, sulfur, oxygen, and copper.
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A balloon was partially filled with helium gas at room temperature. It occupied 4.0 liters of volume at 700.0 mmHg atmospheric pressure. When the balloon was released, it traveled upward until it burst at 99 mmHg atmospheric pressure. (Neglect any force exerted to stretch the rubber balloon.) What was the volume of the balloon when it burst? L
Answer:
28.28 L.
Explanation:
We can use the general law of ideal gas: PV = nRT.where, P is the pressure of the gas in atm.
V is the volume of the gas in L.
n is the no. of moles of the gas in mol.
R is the general gas constant,
T is the temperature of the gas in K.
If n and T are constant, and have two different values of V and P:P₁V₁ = P₂V₂
P₁ = 700.0 mm Hg, V₁ = 4.0 L.
at burst: P₂ = 99.0 mm Hg, V₂ = ??? L.
∴ V₂ = P₁V₁/P₂ = (700.0 mm Hg)(4.0 L)/(99.0 mm Hg) = 28.28 L.
A solution is prepared by dissolving 106.3 g HCl(g) in enough water to make 175.0 L of solution. The ph of this solution is
The pH of the solution resulting from the dissolution of 106.3 g HCl in 175.0 L of water is 1.77.
The pH of a solution is given by:
[tex] pH = -log([H_{3}O^{+}]) [/tex] (1)
Since HCl is a strong acid, we have that:
[tex] [H_{3}O^{+}] = [HCl] [/tex]
We can calculate the concentration of HCl from its mass and the volume of solution:
[tex] [HCl] = \frac{106.3 g}{175.0 L}*\frac{1 mol}{36.46 g} = 0.017 g/mol [/tex]
Hence, the pH is (eq 1):
[tex] pH = -log([H_{3}O^{+}]) = -log(0.017) = 1.77 [/tex]
Therefore, the pH of the solution is 1.77.
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Which human activity will most likely contribute to ozone layer destruction?
Final answer:
The use of aerosol sprays and coolants that release chlorine and bromine gases contributes to ozone layer destruction, leading to increased UV radiation and environmental harm. The Montreal Protocol helped reduce emissions of ozone-depleting substances, slowing the rate of depletion.
Explanation:
The human activity that most likely contributes to ozone layer destruction is the release of chlorine and bromine gases through the use of products like aerosol sprays and coolants. These substances are known as ozone-depleting substances (ODS), and include chemicals such as chlorofluorocarbons (CFCs).
When these substances reach the stratosphere, they release halogen radicals that catalytically destroy ozone molecules, leading to ozone depletion. This has severe environmental and health impacts, such as increased UV radiation leading to higher rates of skin cancers and disrupted ecosystems. The Montreal Protocol was a successful international effort to phase out the production and use of ODS, which has led to a decrease in the rate of ozone depletion, but vigilance and continued reduction of emissions are essential to protect the ozone layer.
A crystal of graphite contains which type of bond?
Answer:
Graphite has a giant covalent structure in which:
each carbon atom is joined to three other carbon atoms by covalent bonds
the carbon atoms form layers with a hexagonal arrangement of atoms
the layers have weak forces between them
each carbon atom has one non-bonded outer electron, which becomes delocalised:
A crystal of graphite contains a covalent structure.
What is an example of a covalent bond structure?This is an example of a substance with a huge covalent bond structure. It contains a lot of silicon and oxygen atoms. All atoms in the structure are linked to each other by strong covalent bonds. Atoms combine in a regular arrangement to form a huge concurrent structure.
A giant covalent bond structure is a three-dimensional structure of atoms bonded by covalent bonds. Allotropes are different forms of the same element in the same state. Graphite, graphene, and diamond are allotropes of the same element (carbon) in the same state (solid). Carbon can form up to 4 covalent bonds
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What happens to the molarity of a salt solution if the number of moles of salt in the solution is multiplied by three and the number of liters of the solution is also multiplied by three? The molarity of the solution remains unchanged. The molarity of the solution becomes three times as much. The molarity of the solution becomes six times as much. The molarity of the solution decreases.
Answer:
The molarity of the solution remains unchanged.
Explanation:
Consider the formula for the molarity [tex]M[/tex] of a solution:
[tex]\displaystyle M = \frac{n}{V}[/tex],
where
[tex]n[/tex] is the number of moles of solute in this solution, and[tex]V[/tex] is the volume of the solution.For this salt solution,
[tex]n_{1} = 3\;n_{0}[/tex], and[tex]V_{1} = 3\;V_{0}[/tex].Initial molarity:
[tex]\displaystyle M_{0} = \frac{n_{0}}{V_{0}}[/tex].
Final molarity:
[tex]\displaystyle M_{1} = \frac{n_{1}}{V_{1}} = \frac{3\;n_{0}}{3\;V_{0}} = \frac{n_{0}}{V_{0}} = M_{0}[/tex].
In other words, the molarity of the solution remains unchanged.
Answer:
The molarity of the solution remains unchanged
Explanation:
The specific heat of a certain type of cooking oil is 1.75 J/(g⋅°C). How much heat energy is needed to raise the temperature of 2.94 kg of this oil from 23 °C to 191 °C?
Answer:
[tex]\boxed{\text{864 kJ}}[/tex]
Explanation:
The formula for the heat transferred to or from an object is
q = mCΔT
Data:
m = 2.94 kg
C = 1.75 J·°C⁻¹g⁻¹
T₁ = 23 °C
T₂ = 191 °C
Calculations:
(a) Convert the mass to grams
m = 2.94 kg = 2940 g
(b) Calculate ΔT
ΔT = T₂ - T₁ = 191 – 23 = 168 °C
(c) Calculate q
q = 2940 × 1.75 × 168 = 864 000 J = 864 kJ
You must provide[tex]\boxed{\textbf{864 kJ}}[/tex].
How is acid rain produced ?
Answer:
acid rain is produced from harmful emissions in the air clinging to the water molecules and coming down as rain
Explanation:
The type of acid rain that contains water is called wet deposition. Acid rain formed with dust or gasses is called dry deposition.
Thulium-167 has a half life of 9.0 days. If the initial amount of thulium is 50.0 grams. How many grams are left after 36.0 days?
Answer:
3.125 grams.
Explanation:
It is known that the decay of a radioactive isotope isotope obeys first order kinetics.Half-life time is the time needed for the reactants to be in its half concentration.If reactant has initial concentration [A₀], after half-life time its concentration will be ([A₀]/2).Also, it is clear that in first order decay the half-life time is independent of the initial concentration.∵ Thulium-167 has a half life of 9.0 days.
∴ The time is needed to calculate the grams are left after (36.0 days) represents (36.0 days / 9.0 days) = 4.0 half-lives.
50.0 grams → (first half life) 25.0 grams → (second half life) 12.5 grams → (third half life) 6.25 grams → (fourth half life) 3.125 grams.
So, the grams are left after 36.0 days = 3.125 grams.
Which chemical element has the shortest name?
Answer:
deez nuttts
Explanation:
Element 50
Symbol Sn
TIN
A student has 70.5 mL of a 0.463 M aqueous solution of sodium bromide. The density of the solution is 1.22 g/mL. Find the following:
a.) mass of the solution
b.) grams of sodium bromide
c.) molality of the solution
d.) % (m/v) of the solution
e.) % (m/m) of the solution
Answer:
a.) 86.01 g.
b.) 3.36 g.
c.) 0.394 m ≅ 0.40 m.
d.) 4.77%.
e.) 3.9%.
Explanation:
a.) mass of the solution:
The density of the solution is the mass per unit volume.
∵ Density of solution = (mass of solution)/(volume of the solution).
∴ Mass of the solution = (density of solution)*(volume of the solution) = (1.22 g/mL)*(70.5 mL) = 86.01 g.
b.) grams of sodium bromide :
Molarity (M) is defined as the no. of moles of solute dissolved per 1.0 L of the solution.∵ M = (no. of moles of NaBr)/(Volume of the solution (L))
∴ no. of moles of NaBr = M*(Volume of the solution (L)) = (0.463 M )*(0.0705 L) = 0.0326 mol.
∵ no. of moles of NaBr = (mass of NaBr)/(molar mass of NaBr)
∴ mass of NaBr = (no. of moles of NaBr)*(molar mass of NaBr) = (0.0326 mol)*(102.894 g/mol) = 3.36 g.
c.) molality of the solution:
Molality (m) is defined as the no. of moles of solute dissolved per 1.0 kg of the solvent.∵ m = (no. of moles of NaBr)/(mass of the soluvent (kg))
no. of moles of NaBr = 0.0326 mol,
mass of solvent = mass of the solution - mass of NaBr = 86.01 g - 3.36 g = 82.65 g = 0.08265 kg.
∴ m = (no. of moles of NaBr)/(mass of the soluvent (kg)) = (0.0326 mol)/(0.08265 kg) = 0.394 m ≅ 0.40 m.
d.) % (m/v) of the solution:
∵ (m/v)% = [(mass of solute) /(volume of the solution)]* 100
∴ (m/v)% = [(3.36 g)/(70.5 mL)]* 100 = 4.77%.
e.) % (m/m) of the solution:
∵ (m/m)% = [(mass of solute) /(mass of the solution)]* 100
∴ (m/m)% = [(3.36 g)/(86.01 g)] * 100 = 3.9 %.
Particles are arranged in a crystal structure in a sample of
Answer:
Ag(s) or Solid Silver. Silver in a solid phase has a face centered cubic crystal structure. Among your choices, silver is the only example of particles that are arranged in their crystal structure while the other choices are gases and liquid. Liquid and gases have loose atoms that do not form crystal structures.
Explanation:
What is an organic chemical?
Answer:
Organic chemistry is a subdiscipline of chemistry that studies the structure, properties and reactions of organic compounds, which contain carbon in covalent bonding. Study of structure determines their chemical composition and formula.
where is the DNA prokaryote?
A. nucleotides
B. nucleoid region
C. Nucleoid center
Answer:
Prokaryotes have no cell nucleus and no membrane enclosed organelles. Prokaryotic DNA can be found in a coiled loop floating in the cytoplasm in a region called the nucleoid (meaning nucleus-like). In other words, the nucleoid is the area in a prokaryotic cell where DNA is located.
Explanation:
The DNA in prokaryotes is found in the nucleoid region, which is the central part of the cell where their single, circular chromosome is located along with concentrated DNA-associated proteins and plasmids. So the correct option is B.
Explanation:The DNA in a prokaryote is located in a central part of the cell known as the nucleoid region. Prokaryotes, which include Bacteria and Archaea, have a single, circular chromosome that is not bound by a complex nuclear membrane. This chromosome is found within the nucleoid region, and this area does not readily stain, making it appear lighter in color when viewed with a transmission electron microscope. Additionally, the prokaryotic DNA and DNA-associated proteins are concentrated within this region. Prokaryotes often possess plasmids as well, which are shorter, circular DNA molecules that can carry traits such as antibiotic resistance and can be transferred independently during cell division.
HELP ASAP! GIVING BRAINLIEST!!
Think about the process of raising a pendulum to one side and letting it go. For this event, create a list associated with the pendulum as it cycles from the choices below:
KINETIC ENERGY FORMS:
- Motion energy
- Thermal energy
- Electric energy
- Vibrational energy
- Radiant energy
POTENTIAL ENERGY FORMS:
- Gravitational Potential energy
- Elastic Potential energy
- Chemical Potential energy
- Electric Potential energy
- Magnetic Potential Energy
- Nuclear Potential energy
Answer:
impossible
Explanation:
Answer:
Kinetic energy
Potential energy
Motion energy