1. A gas occupies 85 mL at 0^{o}C and 710 torr. What final
temperature would be required to increase the pressure to 760 torr?

2. A student collects 300 mL of nitrogen gas (N_{2}) measured at
754 torr and 21^{o}C. What volume will it occupy at S.T.P.?

3. A sample of gas occupies 200 mL at 10^{o}C and 750 torr. What
volume will the gas have at 20^{o}C and 750 torr?

4. If 125 mL of a gas is collected at S.T.P. what will its volume be at 735
torr and 300^{o}K?

5. If 125 mL of a gas is collected at 735 torr and 300^{o}K what
will its volume be at S.T.P.?

6. At S.T.P. one mole of oxygen gas (O_{2}) occupies 22.4 liters,
weighs 32.0 grams, and contains 6.023 X 10^{23} molecules. What volume
will it occupy at 735 torr and 300^{o}K?

7. Solid potassium chlorate (KClO_{3}) decomposes to produce solid
potassium chloride (KCl) and oxygen gas (O_{2}) according to the
following equation:

KClO_{3} --> KCl + O_{2}

What volume of oxygen gas, measured at 40^{o}C and 85.4 kPa, will
be produced when 13.5 grams of potassium chlorate is decomposed?

8. What is the molecular weight of a gas if 273 mL weigh 0.8 grams at 27^{o}C
and 380 torr?

9. Calculate the weight of 15.5 liters of nitrogen gas at -10^{o}C
and 720 torr?

10. Air at S.T.P. has a density of 1.292 g/l. What will 4.0 liters of air
weigh at 20^{o}C and 750 torr?