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ICE Princess25 [194]
2 years ago
8

How many moles of electrons are transferred for each mole of o2 that reacts? justify your answer in terms of the balanced equati

on and the change in oxidation number of oxygen
Chemistry
1 answer:
Nutka1998 [239]2 years ago
8 0

Based on the equation of the reaction, for every 1 mole of oxygen that reacts, 4 moles of electrons are transferred.

<h3>What are redox reactions?</h3>

Redox reactions are reactions in which oxidation and reduction reactions occur simultaneously to the same extent.

Oxidation reactions involves addition of oxygen or removal of oxygen.

The equation of reaction when one mole of oxygen accept ectrons is given below:

O_2 + 4e^{-} \rightarrow 2O^{2-}

Therefore, for every 1 mole of oxygen that reacts, 4 moles of electrons are transferred.

Learn more about oxidation reactions at: brainly.com/question/25886015

#SPJ2

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Anna007 [38]

Answer:

First start with the ones we know

Explanation:

1. small - gene

2.chromosome - chromosomes contain genes so they must be bigger

3.dna- is all the chromosomes (genetic material)

A couple of homologous chromosomes, or homologs, are a set of one maternal and one paternal chromosome that pair up with each other inside a cell

a pair - so must be bigger than one chromosome

1. small - gene

2.chromosome - chromosomes contain genes so they must be bigger

3. homologus pair

4.dna- is all the chromosomes (genetic material)

now 5.

A gene consists of enough DNA to code for one protein, and a genome is simply the sum total of an organism's DNA. DNA is long and skinny, capable of contorting like a circus performer when it winds into chromosomes.

1. small - gene

2.chromosome - chromosomes contain genes so they must be bigger

3. homologus pair

4.dna- is all the chromosomes (genetic material)

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7 0
3 years ago
Go'=30.5 kJ/mol
makvit [3.9K]

Answer:

a) Keq = 4.5x10^-6

b) [oxaloacetate] = 9x10^-9 M

c) 23 oxaloacetate molecules

Explanation:

a) In the standard state we have to:

ΔGo = -R*T*ln(Keq) (eq.1)

ΔGo = 30.5 kJ/moles = 30500 J/moles

R = 8.314 J*K^-1*moles^-1

Clearing Keq:

Keq = e^(ΔGo/-R*T) = e^(30500/(-8.314*298)) = 4.5x10^-6

b) Keq = ([oxaloacetate]*[NADH])/([L-malate]*[NAD+])

4.5x10^-6 = ([oxaloacetate]/(0.20*10)

Clearing [oxaloacetate]:

[oxaloacetate] = 9x10^-9 M

c) the radius of the mitochondria is equal to:

r = 10^-5 dm

The volume of the mitochondria is:

V = (4/3)*pi*r^3 = (4/3)*pi*(10^-15)^3 = 4.18x10^-42 L

1 L of mitochondria contains 9x10^-9 M of oxaloacetate

Thus, 4.18x10^-42 L of mitochondria contains:

molecules of oxaloacetate = 4.18x10^-42 * 9x10^-9 * 6.023x10^23 = 2.27x10^-26 = 23 oxaloacetate molecules

3 0
4 years ago
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Elina [12.6K]
I think it’s b?! have a good day!
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3 years ago
Energy radiated from a hot object is carried in ___________________.
romanna [79]

Answer:

Photons

Explanation:

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3 years ago
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Answer:

C(btw this could be wrong)

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