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Potential Energy Assessment

Last updated almost 6 years ago

7 questions

Note from the author:

Covers different ways to write equations in Thermochemistry.
Covers calculating enthalpy.

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7

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Question 1

1.

Write a thermochemical equation for the formation of copper (II) nitrate.

Question 2

2.

Using separate equation method, write an equation for the freezing of diethyl ether, (C2H5)2O.

Question 3

3.

Calculate the energy released when 65.2 g of heptane combusts completely.

Question 4

4.

Draw a potential energy diagram for the combustion of heptane.

Question 5

5.

Identify which has more potential energy, the reactants or the products, in the formation of KBr(s).

The reactants

The products

They have the same amount of potential energy.

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Question 6

6.

4

Question 7

7.