Carbon fixation: A) supplies the cell with ATP. B) occurs when carbon atoms from CO2 are incorporated into an organic molecule. C) occurs during the light reactions. D) provides the cell with a supply of NADPH molecules.

Answer:

sad? that your giving out free points?

Explanation:

Answer:

what wrong

tell i can help u

Explanation:

1. LiCl (Lithium chloride) CsBr (Cesium bromide) NaCl (Sodium chloride).

3. Group 1 elements, also known as alkali metals, form 1+ ions because they have one valence electron in their outermost energy level.

4. The formula of the sulfide ion is S2-.

5. The ions in NaCl stay together due to electrostatic attraction between the oppositely charged ions.

6. The formula of potassium sulfide is K2S. In this compound, potassium (K+) forms a 1+ ion, and sulfide (S2-) forms a 2- ion.

1. The three ionic compounds from the given list are:

LiCl (Lithium chloride)

CsBr (Cesium bromide)

NaCl (Sodium chloride)

Dot-and-cross diagrams for the three ionic compounds:

2. LiCl:

Li (Lithium) has 1 valence electron while Cl (Chlorine) has 7 valence electrons. The electron from Li is transferred to Cl, resulting in the formation of Li+ and Cl- ions. The dot-and-cross diagram would show Li with no dots and Cl with 8 dots around it.

CsBr:

Cs (Cesium) has 1 valence electron while Br (Bromine) has 7 valence electrons. Similar to LiCl, the electron from Cs is transferred to Br, resulting in Cs+ and Br- ions. The dot-and-cross diagram would show Cs with no dots and Br with 8 dots around it.

3. NaCl:

Na (Sodium) has 1 valence electron while Cl (Chlorine) has 7 valence electrons. Again, the electron from Na is transferred to Cl, forming Na+ and Cl- ions. The dot-and-cross diagram would show Na with no dots and Cl with 8 dots around it.

4. Group 1 elements, also known as alkali metals, form 1+ ions because they have one valence electron in their outermost energy level. These elements have a strong tendency to lose this valence electron to achieve a stable electron configuration similar to the noble gas configuration.

The formula of the sulfide ion is S2-.

5. The ions in NaCl stay together due to electrostatic attraction between the oppositely charged ions. In NaCl, the sodium (Na+) ion has a positive charge, and the chlorine (Cl-) ion has a negative charge. These opposite charges attract each other, forming an ionic bond.

The strong electrostatic attraction between Na+ and Cl- keeps the ions together in a crystal lattice structure.

6. The formula of potassium sulfide is K2S. In this compound, potassium (K+) forms a 1+ ion, and sulfide (S2-) forms a 2- ion. To balance the charges, two potassium ions are required for every sulfide ion.

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Hello! Based on your question, the misnamed compounds are:

1. 3-propylbutane (correct name: 1-propylpentane)
2. isopentyl bromide (correct name: 1-bromo-3-methylbutane)

The other compounds are correctly named:

1. 3,3-dichlorooctane
2. 2,2-dimethyl-4-ethylheptane
3. 3,5-dimethylhexane
4. 2,6-dibromohexane

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Answer:

The reasons why metals are really good thermal conductors are:

Metals have a larger number of freely moving electrons.

Particles of metallic structures begin to vibrate faster as they absorb energy.

Therefore, the correct options are:

Metals have a larger number of freely moving electrons.

Particles of metallic structures begin to vibrate faster as they absorb energy.

Explanation:

The specific heat capacity of a substance is the amount of heat needed to elevate it by 1 degree kelvin per gram. The easier it is for something to heat up, then, the smaller the heat capacity. We would suppose that a cook in a hurry would want a pan that heats up more quickly and would choose one with a lesser heat capacity.

0.385 for copper and 0.900 for aluminum.

Despite using non-SI units, we can still compare using it. It is obvious to him that copper has a lower specific heat, so he will pick that.

In case you're curious, you can also approach this issue from the perspective of heat conduction. To do this, look up the thermal conductivities of each material, and then apply Fourier's rule of heat conduction to determine that Copper would be best.

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Answer:

A

Explanation:

kinetic and mass are directly proportional

so if one increases the other does to

The relationship between the kinetic energy of an object and the mass of an object is Kinetic energy gets bigger at the same rate as the mass of an object.

The energy that an object has as a result of motion is known as kinetic energy. It is described as the effort required to move a mass-determined body from rest to the indicated velocity. The body keeps the kinetic energy it acquired throughout its acceleration unless its speed changes.

Potential energy can be moved into motion by a variety of catalysts, including gravity and chemical reactions, to release kinetic energy. As a result, kinetic energy rises and potential energy falls. Mechanical energy is the sum of all kinetic and potential energy.

The capacity to perform work is arguably the most significant characteristic of kinetic energy. Force acting on an object while it is moving is referred to as work. Energy and work are interchangeable because of their tight relationship.

Thus, option A is correct.

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Answer:

B

............. M

Explanation:

Emergence

The naming of compound can be obtained by following the IUPAC principle. This is shown below:

For the 1st diagram:

Thus, the IUPAC name for the compound is: 3,3-dimethylpentane

For the 2nd diagram:

Thus, the IUPAC name for the compound is: pentene

For the 3rd diagram:

Thus, the IUPAC name for the compound is: 2,2,3-trimethylhexane

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The correct reactant ratio for the reaction 2Fe + 3Cl2 → 2FeCl3 is 2 moles of iron (Fe) for every 3 moles of chlorine (Cl2).

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Answer: Heyo Kenji Here! Here's your answer- Reaction rates are usually expressed as the concentration of reactant consumed or the concentration of product formed per unit time. The units are thus moles per liter per unit time, written as M/s, M/min, or M/h.

Explanation: Hope this helps!

Have a nice day!

- Kenji ^^

Molarity is a measure of the concentration of a solute in a solution. It is expressed as moles of solute per liter of solution. The formula for molarity (M) is: M = n/V

Here n is the amount of solute (in moles) and V is the volume (in liters) of the solution. Molarity is used to express the concentration of a solute in a solution. It is typically used for solutions of solids, liquids, or gases dissolved in a liquid. It is expressed in moles per liter (mol/L). Molarity is an important concept in chemistry and other sciences, as it allows us to measure the concentration of a given solution. For example, if you had a solution of sodium chloride (NaCl) with a molarity of 0.5 mol/L, it would mean that there are 0.5 moles of NaCl in every liter of solution. This allows us to accurately measure the concentration of a solution without having to measure the exact amount of solute in it.

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Answer:

False because it is chemical change

The molarity of the sucrose solution is found to be 0.4146M

The term "molarity" (also known as "molar concentration," "amount concentration," or "substance concentration") refers to the amount of a substance per unit volume of the solution and is used to describe the concentration of a chemical substance, specifically a solute, in a solution.

Given:

Mass of sucrose, m = 50.4g

Volume of solution, v = 355ml = 0.355L

Molecular weight of sucrose = 342.3g/mol

To find:

Molarity, M = ?

Formula:

Molarity = amount of solute, n (moles) / volume of solution, v (L)

Calculations:

No. of moles of sucrose, n = mass of sucrose x (1 mole / molecular weight of sucrose)

n = 50.4 x (1/342.3)

n = 0.1472 moles

M = 0.1472 / 0.355

Molarity = 0.4146M

Result:

The sucrose solution has a molarity of 0.4146M.

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The correct order of reactivity towards electrophilic aromatic substitution is:

b.) Phenol > benzene > chlorobenzene > benzoic acid

Phenol is more reactive than benzene towards electrophilic substitution reactions due to the presence of the -OH group (hydroxyl group) attached to the benzene ring. The lone pair of electrons on the oxygen atom in the -OH group can donate electron density to the ring, making it more nucleophilic and facilitating electrophilic attack.

Benzene, although less reactive than phenol, can still undergo electrophilic substitution reactions due to its aromaticity and delocalized electron system.

Chlorobenzene is less reactive than both phenol and benzene because the chlorine atom is an electron-withdrawing group. It withdraws electron density from the benzene ring, making it less nucleophilic and less prone to electrophilic substitution.

Benzoic acid is the least reactive among the options given. The carboxylic acid group (-COOH) is an even stronger electron-withdrawing group than the chlorine atom in chlorobenzene. It further reduces the electron density on the benzene ring, decreasing its reactivity towards electrophilic substitution.

Therefore, the correct order of reactivity towards electrophilic substitution is option b.

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the complete question is:

The correct order of reactivity towards electrophilic aromatic substitution is?

a.) Benzene > phenol > benzoic acid > chlorobenzene

b.) Phenol > benzene > chlorobenzene > benzoic acid

c.) Chlorobenzene > benzoic acid > phenol > benzene

d.) Benzoic acid > chlorobenzene > benzene > phenol

The net ionic reaction for MnBr₂ +  Na₂SO₃ is  Mn²⁺(aq) + SO₃²⁻(aq) → MnSO₃(s).

The net ionic reactiion for MnBr₂ + Na₂SO₃ can be determined using the following steps:
1. Write the balanced molecular equation:
MnBr₂(aq) +  Na₂SO₃(aq) → MnSO₃(s) + 2NaBr(aq)
2. Write the total ionic equation by dissociating the strong electrolytes:
Mn²⁺(aq) + 2Br⁻(aq) + 2Na⁺(aq) + SO₃²⁻(aq) → MnSO₃(s) + 2Na⁺(aq) + 2Br⁻(aq)
3. Identify and remove the spectator ions (those that appear on both sides of the equation):
Mn²⁺(aq) + 2Br⁻(aq) + 2Na⁺(aq) + SO₃²⁻(aq) → MnSO₃(s) + 2Na⁺(aq) + 2Br⁻(aq)
Spectator ions: 2Na⁺(aq) and 2Br⁻(aq)
4. Write the net ionic equation by removing the spectator ions:
Mn²⁺(aq) + SO₃²⁻(aq) → MnSO₃(s)
So, the net ionic reaction for MnBr₂ + Na₂SO₃ is Mn²⁺(aq) + SO₃²⁻(aq) → MnSO₃(s).

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If the reaction is first order with respect to x and second order with respect to y, the rate law can be written as rate = k[X]⁻¹[Y]⁻².

Starting with known concentrations of x and y in experiment 1, the initial rate of formation of z was measured. The initial rate of formation of z in experiment 2 would depend on the new concentrations of x and y. If the new concentrations are different from the initial concentrations used in experiment 1, the initial rate of formation of z in experiment 2 will also be different.

To determine the initial rate of formation of z in experiment 2, the rate law equation would need to be used with the new concentrations of x and y. The units of k, the rate constant, determine the units of the rate.

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--The given question is incomplete, the complete question is

"738; (1,45)(0.042 T Jath) 8518,314(308) 4 OO (3.O0)L85) Ttn (0.0821)(35.0) Enic snele Initial Rate of (Ylo Formation of (moLL- sec 0.101 9l 0.20 Experiment (Xlo 0.40 0.20 The table above shows the results from rate study of the reaction X+Y 2. Starting with known concentrations of X and Y in experiment 1,the rate of formation of Z was measured. If the reaction was first order with respect to( X and second order with respect t0_Y! the initial rate of formation of 2 experiment 2 would be (A) R (B) 2 Cx]" [Y]' 2R Y 1 = 2 1 4R."--

Answer:

\(\boxed {\boxed {\sf SO_3}}\)

Explanation:

An empirical formula shows the smallest whole-number ratio of the atoms in a compound.

So, we must calculate this ratio. Since we are given the amounts of the elements in moles, we can do this in just 2 steps.

The first step is division. We divide the amount of moles for both elements by the smallest amount of moles.

There are 0.300 moles of sulfur and 0.900 moles of oxygen. 0.300 is smaller, so we divide both amounts by 0.300

The next step is writing the formula. We use the numbers we just found as the subscripts. These numbers go after the element's symbol in the formula. Remember sulfur is S and there is 1 mole and oxygen is O and there are 3 moles.

This formula is technically correct, but we typically remove subscripts of 1 because no subscript implies 1 representative unit.

\(\bold {The \ empirical \ formula \ for \ the \ compound \ is \ SO_3}}\)

Decolorization is an important step in the Gram staining process that removes the crystal violet stain from the Gram-negative bacteria, leaving them colorless. If the decolorization step is prolonged, it can result in the removal of the crystal violet stain from the Gram-positive bacteria as well, leading to a false Gram-negative classification.

During the final step of the Gram staining procedure, Gram-positive bacteria retain the crystal violet stain and appear purple, while Gram-negative bacteria do not retain the crystal violet stain and appear red/pink after counterstaining with safranin. Therefore, if the decolorization step is prolonged, the Gram-positive bacteria may appear red/pink in the final step, leading to inaccurate results and misinterpretation of the bacterial morphology and classification.

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Answer:

Oxygen

Explanation:

the difference between DNA and RNA is that DNA is missing one Oxygen atom.

The equilibrium equation for the neutralization reaction between H2SO4 and KOH in aqueous solution is

\(H_2SO_4 + 2KOH= > K_2SO_4 +H_2O\)

Neutralization is a chemical reaction in which acids and bases react quantitatively with each other. When reacted in water, the neutralization effect works because there is no excess hydrogen or hydroxide ions in the solution.

A neutralization reaction is when an acid and a base react to form a salt with water, and H+ and OH ions mix to form water. Neutralizing strong acids and strong bases results in a pH of 7.

The reaction between an acid and a base is called a neutralization reaction, which can be thought of as a kind of substitution reaction in which the protons of an acid are replaced while being given to another species.

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Total pressure is 3.15 atm at the conclusion of the process when co reacts with oxygen as follows: 2co (g) o2 (g) 2co2 (g). if the 1.5 atm starting partial pressures for both CO and O2 are met.

The chemical element with the letters O and the atomic number 8 is called oxygen. It belongs to the chalcogen group of the periodic table and is a highly reactive nonmetal that rapidly forms oxides with most elements as well as with other compounds.

The force perpendicular to an object's surface that is delivered per unit area over that force is known as pressure (symbol: p or P).

Co's pressure equals 2.1 atm

Pressure of oxygen still present = (2.1/2) = 1.05

Total pressure = 2.1 + 1.05 = 3.15 atm

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If the hydrogen gas is combusted and produces 645L of water vapor at 400 kelvin and 1.75 atm, 2796.96 g mass of the zinc is produced .

Using the ideal gas law equation:

PV = nRT

n = (PV) / (RT)

= (1.75 atm * 645 L) / (0.0821 atm·L/(mol·K) * 400 K)

= 42.71 moles

the balanced equation for the reaction between zinc and hydrochloric acid:

Zn + 2HCl -> \(ZnCl_{2}\)  + \(H_{2}\)

1 mole of zinc produces 1 mole of hydrogen gas. Therefore, the moles of zinc are also 42.71.

The molar mass of zinc is 65.38 g/mol.

Mass of zinc = moles of zinc * molar mass of zinc

= 42.71 moles * 65.38 g/mol

= 2796.96 g

Therefore, the mass of the zinc is 2796.96 grams.

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7 moles of oxygen are in the sample.

According to the chemical formula, each mole of nickel tetracarbonyl contains 4 moles of C atoms. Simply convert it into a fraction by putting the original solution in the denominator and the diluted solution in the numerator if you need to determine the concentration ratio between two solutions. The V/n ratio for each gas must be the same if the two gases are at the same temperature and pressure. The volume ratio of two gases at the same temperature and pressure is equal to their molar ratio. The mole ratio of C to O is 1 : 1

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A complex is a compound that is composed of a central metal atom/ion and then ligands.   MnO4- is a d^0 specie hence it has no d electron.

A complex is a compound that is composed of a central metal atom/ion and then ligands. These ligands may lead to the color of the complex. However, the color of complexes more commonly result from the d-orbital transition in the metal atom/ion.

Now we know that the neutral electron configuration of Mn is [Ar]. 3d5. 4s2. It then follows that MnO4- is a d^0 specie hence it has no d electron.

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An increase in the surface area of the solid will increase the rate of the reaction.

The reaction rate will be influenced by the solid's surface area if one of the reactants is solid. This is due to the fact that the two kinds of molecules can only collide at the liquid-solid interface, also known as on the surface of the solid. The reaction rate will rise due to a more significant interaction of the surface areas between the two molecules when the solid is pulverized into a gas. If a reactant has a larger surface area: The other reactant is exposed to more particles. Particles are more likely to collide, which results in more successful collisions per second this will influence the reaction speed to increase.

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Mole measure the number of elementary entities of a given substance that are present in a given sample. Therefore, 0.24moles of propane gas would be present in 11 grams of the gas at standard conditions.

The SI unit of amount of substance in chemistry is mole. The mole is used to measure the quantity or amount of substance. We know one mole of any element contains 6.022×10²³ atoms which is also called Avogadro number.

Mathematically,

mole of substance =given mass of substance ÷ molar mass of substance

Molar mass of 1 mole of propane gas= 44.0956 g/mol

Given mass of propane gas=11 grams

Substituting all the given values in the above equation, we get

mole of substance =11 grams ÷44.0956 g/mol

mole of substance =0.24moles

Therefore, 0.24moles of propane gas would be present in 11 grams

of the gas at standard conditions.

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Explanation:

when some sunlight reaches the moon, the sunlight passes through earth's atmosphere, which causes earth's atmosphere to filter out most of the blue light, so it'll be "The sun blocks the moons light" it seems reasonable to the Explanation above, as the sunlight surpasses the moon leading to a lunar eclipse. This is what I personally think.

Answer:

Explanation:

Answer : The new concentration will be, 0.0757 M

Solution :

According to the dilution law,

where,

= molarity of NaCl solution = 0.455 M

= volume of NaCl solution = 375 ml = 0.375 L

= new concentration = ?

= volume of new concentration after dilution with water = 0.375 + 1.88 = 2.255 L

Now put all the given values in the above law, we get the new concentration.

Therefore, the new concentration will be, 0.0757 M

Answer:

0.0757 M NaCl

Explanation:

To calculate the new concentration of the sodium chloride (NaCl) solution after dilution, we can use the dilution formula.

\(\boxed{\sf C_1V_1=C_2V_2}\)

where:

In this case, we have 375 mL of a 0.455 M sodium chloride solution which is diluted with 1.88 L (1880 mL) of water. The final volume of the solution after dilution is:

\(\sf V_2 = V_1 + V_{\sf water} = 375\;mL + 1880\; mL = 2255\; mL\)

Therefore:

Substitute these values into the formula and solve for C₂:

\(\implies \sf 0.455\;M \cdot 375\;mL=C_2 \cdot 2255\;mL\)

\(\implies \sf C_2=\dfrac{0.455\;M \cdot 375\;mL}{2255\;mL}\)

\(\implies \sf C_2=0.075665188...\; M\)

\(\implies \sf C_2=0.0757\; M\;(3\;s.f.)\)

Therefore, the new concentration of the sodium chloride solution after dilution is 0.0757 M, to three significant figures.

Answer:

higher data rates are

Explanation:

transmitted

as the bandwidth

is more

more antenna gain is possible