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Ann [662]
2 years ago
8

After writing and balancing the equation, what's the next step in using bond energies to calculate the enthalpy of a reaction? Q

uestion 11 options: A) Subtract the bond energies of the products from the reactants. B) Sum the bond energies of the products. C) Write the structures of the products and reactants. D) Write down the bond energies for the products and reactants.
Chemistry
1 answer:
Bas_tet [7]2 years ago
8 0

Answer:

D. write down the bond energies for the reactants and product.

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How many electron pairs exist in single bonds double bonds and triple bonds?
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Single bond: 1 pair of electrons
Double bond: 2 pairs of electrons
Triple bond: 3 pairs of electrons
3 0
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Baking soda (NaHCO3, 84.0 g/mol) requires acids from other ingredients to generate the carbon dioxide needed to make bread rise.
Rainbow [258]
0.122283884747646362672 mol
5 0
2 years ago
In which of the three acid-base concepts can water be a product of an acid-base reaction? In which is it the only product?
Archy [21]

Salt and water is formed as product, when Arrhenius acid and Arrhenius base reacts and the reaction is known as neutralization reaction.

<h3>What is Arrhenius acid-base reaction?</h3>
  • The concept of acid and base based on the theory of ionization which was first proposed in 1884 by Svante Arrhenius
  • According to Arrhenius, on dissociation in water the hydrogen-containing compounds which give H+ ions or protons are the acids and  the hydroxide compounds which give OH− ions on dissociation in water are bases.
  • This theory is applicable only to compounds which are dissolved in aqueous solution.

To learn more about Arrhenius acid-base reaction: brainly.com/question/15196401

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4 0
1 year ago
An electrochemical cell is constructed such that on one side a pure lead electrode is in contact with a solution containing Pb2+
Ugo [173]

Answer:

-490.7 K

Explanation:

Given:

[Ni^2+]= 0.4 M

[Pb^2+]=0.002 M

∆V= -0.012 V

VNi= -0.250V

VPb= -0.126V

F= 96500 C

R= 8.314 JK-1 mol-1

n= 2

From

T= -nF/R [∆V-(VNi-VPb)/ln [Pb2+]/[Ni2+]]

T= 2(96500)/8.314[ (-0.012) -(-0.250) - (-0.126))/ln[0.002]/[0.4]

T= 23213.856(0.112/(-5.298))

T= -490.7 K

4 0
3 years ago
When heated, calcium carbonate goes through a chemical reaction, and produces calcium oxide (quick lime) powder and carbon
Contact [7]

Answer:

Carbon dioxide is produced, and as a gas, it was not captured to measure its mass.

Explanation:

4 0
3 years ago
Read 2 more answers
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