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balandron [24]
3 years ago
11

What is the purpose of cell respiration? to breath in food to expel unwanted oxygen to produce energy from food]

Chemistry
1 answer:
zysi [14]3 years ago
3 0

Answer:

cellular respiration is a critical function by which cells release energy for various cellular activities like locomotion, biosynthesis, and even the transportation of molecules between membranes.

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How many moles of electrons are transferred when 2.0 moles of aluminum metal react with excess copper(II) nitrate in aqueous sol
mojhsa [17]

Moles of electrons:

The moles of electrons that are transferred are 12F

A balanced equation:

2 moles of Aluminium metal react with excess copper(II) nitrate.

2Al + 3Cu{(NO_3)}_2  \rightarrow 2Al{(NO_3)}_3 +3 Cu

Given:

Moles of Aluminium = 2

As Aluminium goes from 0 to +3 oxidation state

Al \rightarrow Al^{3+} + 3e^-

And copper goes from +2 to 0

Cu^{2+} + 2e^-\rightarrow Cu

On balancing the number of electrons we get:

For 1 mole of Al 6e^- is required.

Therefore for 2 moles of Al,

Total (2\times6)F mole of electrons

Where F= Faraday's constant= 96500 C

So, 12F moles of electrons are transferred.

Learn more about Faraday's Law here,

brainly.com/question/27985929

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1 year ago
State the number of protons contained in the atomic number 8<br>​
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There are 8 protons

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{ \bf{atomic \: number = proton \: number}}

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3 years ago
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Consider the two electron arrangements for neutral atoms A and B. What is the atomic number of A?
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Q.1-

Given,

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