1. (10) Octane burns at a rate of -0.20 mol L-1s-1. What is the rate at which oxygen is being consumed.
2. (10) In a reaction the concentration of a reactant was tripled. The rate increased by a factor of 27. What is the order of the reaction with respect to the reactant?
3. (10) The decomposition of NOCl
is a second order reaction with a rate constant k = 6.7 x 10-4 M-1s-1 at 400K. What is the half life in seconds if the initial concentration is [NOCl] = 0.20 mol.
4. (15) Cyclopropane rearranges to propylene, C ---> P,
according to the following rate data. Using this, what is the rate law for the reaction and compute a value for the rate constant.
5. (10) Compute the activation energy for a reaction from the information in the table
6. (10) A reaction producing methanol is
How will the amount of 
be affected by the following changes.
7. (10) The evaporation of 156mL of a saturated solution of
left 0.649 g of 
. Find the K_sp for this salt. The molecular
weight of is 156.08 g/mol.
8. (6) There are 100mL of the following bases. Which base solution requires the most 0.1M acid to be neutralized?
9. (10) What is the pH of a solution 0.125M in acetic acid?
For acetic acid, 
.
10. (10) Will the pH of 0.120M 
be greater than (basic), less than (acidic) or equal (neutral) to 7?
11. (10) When 50mL of 0.1M formic acid,
,
is titrated with 0.1M sodium hydroxide, what is the pH at the equivalence point? (Be sure to take into account the change in volume during the titrtation.)
12. (10) What is the pH and 
for a solution 1.0M in the diprotic phosphorous acid 
?
13. (10) How many grams of sodium formate (HCOONa) need to be added
to one liter of 0.1M formic acid [HCOOH] = 0.1 to make
a buffer having pH = 3.90. The pK_a = 3.75 for formic acid,
.
The molecular weights are: Mw(HCOOH) = 34 g/mol, Mw(HCOONa) = 56 g/mol.
14. (9) Check the appropriate sign of Total 
for the following processes.
15. (10)
16. (10)
17. (10)
18. (10)
19. (10)
20. (10)