Gases, Gases, Gases
Work the following problems, show what you plug in the calculator.
1.
If 200.0 L of a gas is collected over water at 100.0 kPa and 20.0C, what volume will the dry gas
occupy at STP? PH2O= 2.00kPa
2.
If 100.0 L of a gas is collected over water at 99.5 kPa and 28.0C, what volume will the dry gas
occupy at STP? PH2O= 2.63 kPa
3.
What volume will a dry gas occupy at STP, if 175.0mL are collected over water at 10.0C and
98.75kPa? PH2O=1.50kPa
4.
What volume will a dry gas occupy at STP, if 250mL are collected over water at 15.0C and 95.0kPa?
PH2O=1.8kPa
5.
What is the total pressure on a mixture of gases if three gases in the container have the following
pressures: P1=100mmHg
6.
P2= 150mmHg and P3=0.025atm?
What is the total pressure on a mixture of gases if the individual gases in the container have the
following pressures: P1=100torr P2=150torr P3=700torr P4=99.5kPa?
7.
What is the total pressure on a mixture of gases if the individual gases in the container have the
following pressures: P1=760torr P2=700torr P3=1.5atm P4=100.0kPa?
8.
What is the total pressure on a mixture of gases if the individual gases in the container have the
following pressures: P1=0.5atm P2=1.0atm P3=0.0025atm P4=0.0375atm P5=101.325kPa?
9.
What will the new volume of a gas at 100.0C be if 100.0mL of it is collected at 50.0C?
10. What will the new temperature of 100.0mL of a gas be if 250.0mL are collected at 0C?
11. What will the new pressure of a gas at 40.0C be if at 100.0C the pressure was 2.0atm?
12. What will the new temperature of a gas at 25.0torr be if at 50.0C the pressure is 100.0torr?
13. What will the new volume of a gas at 2.00atm be if the container is at 1.00atm when the volume is
100.0mL?
14. What will the new pressure of 200.0mL of a gas be if the pressure was 100.0mmHg when the volume
was measured as 300.0mL?
15. How many moles of gas will occupy a volume of 6.0L at STP?
16. How many moles of gas will occupy a volume of 0.5L at 100.0C and 100.5kPa?
17. What volume will 3.00mol of gas occupy at 25.0C and 0.50atm?