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2 years ago

True or false: I should write partial charges on any polar bond within a molecule, even if the molecule as a whole is nonpolar

Chemistry

1 answer:

Julli [10]2 years ago

6 0

The answer of this statement is false because partial charge occurs only on polar bonds.

<h3>How I put partial charge on molecule?</h3>

I should write partial charges on any polar bond within a molecule, but not a molecule which whole is nonpolar because charge only occurs when the atom gains or loses electron.

So we can conclude that The answer of this statement is false because partial charge occurs only on polar bonds.

Learn more about polar here: brainly.com/question/545359

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11. If you weight 60 lbs on Earth, you would weigh<br> moon

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Answer:

about 10 pounds

Explanation:

your mass doesn't change but weight changes (due to gravity)

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What does the amount of kinetic energy an object has depend on?

Nastasia [14]

The answer is Velocity and potential energy. Kinetic energy is the total energy of a system or an object in motion and requires movement.

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3 years ago

Complete the reaction, which is part of the electron transport chain. The abbreviation FMN represents flavin mononucleotide. Use

Margarita [4]

Answer:

1. NADH + H⁺ + FMN + Q ⟶ NAD⁺ + FMN + QH₂

2. The reactant that is reduced is Q

3. The charge on iron on the right side is +2, Fe²⁺

Explanation:

NADH + H⁺ + FMN + Q ⟶ NAD⁺ + FMN + QH₂

The reaction above is catalysed by NADH:ubiquinone oxidoreductase (complex 1), which transfers a hydride ion from NADH to FMN, from which two electrons pass through a series of of Fe-S centers to the iron-sulfur protein N-2. Electron transfer from N-2 to Ubiquinone forms QH₂

The species in a reaction which gains hydrogen irons is reduced, Therefore, the reactant that is reduced is Q, ubiquinone to form QH₂, ubiquinol.

To determine the oxidation number of iron on the right side of the reaction below,

QH2 + 2cyt c ( Fe3+) ⟶ Q + 2cyt c(Fex) + 2H^+

Sum of charges on the left side = Sum of charges on the right side

Sum of charges on the left side = 2 *+3 = +6

Therefore 2 * x + 2= 6

2x = 6 -2 = 4

x = 4/

x = 2

Therefore the charge on iron on the right side is +2, Fe²⁺

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2 years ago

Citric acid (right) is concentrated in citrus fruits and plays a central metabolic role in nearly every animal and plant cell.

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<u>0.549 mol</u> of citric acid are in 1.50 qt of lemon juice (d = 1.09 g/mL) that is 6.82% citric acid.

<h3>What is citric acid?</h3>

Citric acid is an organic compound with a chemical formula of $HOC(CO_2H)(CH_2CO_2H)_2$ . It is a weak organic acid that is colourless. Citrus fruits naturally produce it. It is a biochemical intermediary in the citric acid cycle, which is a process that all aerobic organisms go through during metabolism.

Every year, more than two million tonnes of citric acid are produced. It is frequently employed as a chelating agent, an acidifier, and a flavouring

Citrates, which include salts, esters, and the polyatomic anion present in solution, are derivatives of citric acid. Trisodium citrate is an example of the former; triethyl citrate is an example of an ester.

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1 year ago

Which particle in an atom is lost or gained to make an ion

denpristay [2]

An electron because that is the only part able to be lost or gained without nuclear action needed

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