Module 13 Test Review:

 

20 – True or False

20 – Multiple Choice

  2 – Calculations/Equations

42 – Total   (50 points possible)

 

Questions are taken from the Module Review Questions/Practice Problems, OYO questions, class notes, and the practice test in your Solutions Manual

 

NOTE:  You are allowed to use the Periodic Table on ALL tests.  However, you are not allowed to use the table that lists the names and their abbreviations.

 

Please use Table 13.1, 13.2, 13.3, and 13.4 in the Appendix of your textbook for any of the questions on this test that you might need a bond energy, ΔHf , ΔS, ΔGf  value.  These are the only tables you are allowed to use.

 

Test is closed book & closed notes.   60 minutes to complete.   Parent MUST be present.   Example questions follow:

 

Module 13 Test

 

A.  True or False - Indicate which of the following are true (T) or false (F):  1 point each

 

1.  A ΔH of 50 kJ/mole means that 50 kJ of energy change occurred from one mole of product consumed.

 

2.  If the chemical reaction is exothermic, the entire reaction will get hot.

 

B.  Multiple Choice - Select the best possible answer for the following:  1 point each

 

3.  Which of the following is an acceptable unit for entropy?

 

a.  kJ / (g­­ °C)

b.  kJ / mole

c.  kcals / (mole °C)

d.  kJ / (mole °C)

e.  None of the above

 

4.  What is the ΔH for the combustion of propane, C3H8?

 

a. -2010 kJ/mol

b.  2010 kJ/mol

c. -7 kJ/mol

d.  7 kJ/mol

e.  None of the above

 

C.  Calculations/Equations - Calculate the answers to the following problems:  5 points each  (Be sure to show the correct units in your answer and balance any equations!)

 

5.  In order to make the shells that house and protect them, many shellfish take solid lime (CaO) from the ocean floor and react it with gaseous carbon dioxide that has been exhaled by marine organisms.  The resulting calcium carbonate is the major component of their shell.  What is the ΔH° for this reaction?  (Use Table 13.2 in Appendix A)   

 

_____ points earned /50 points total x 100 = _____ %

 

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