Unit 2: Gas Laws Flashcards
Gases are considered the _______ of matter.
Simplest state
Gases are composed of molecules in _________.
Random order
Molecules in gases _______________. They collide with walls of containers to ________________.
Collide elastically; exert pressure
Increasing temperature, increases:
Kinetic energy applied to molecules giving them energy to move away from each other.
What elements make up the atmosphere?
Nitrogen, oxygen, argon, CO2, etc.
Convert the following:
- 875 atm to mmHg
- 0 mmHg to atm
- 955 atm to kPa
- 35 kPa to atm
665 mmHg
- 98 atm
- 8 kPa
- 97 atm
A gas occupies 1.56 L at 1.00 atm. What will be the volume of this gas if the pressure becomes 3.00 atm?
0.52L
500.0 mL of a gas is collected at 745.0 mm Hg. What will the volume be at standard pressure?
490mL
300 mL of O2 are collected at a pressure of 645 mm of mercury. What volume will this gas have at one atmosphere pressure?
250mL
600.0 mL of air is at 20.0°C. What is the volume at 60.0°C?
681.9mL
A gas occupies 1.00 L at standard temperature. What is the volume at 333.0 °C?
2.2L
At 210.0 °C a gas has a volume of 8.00 L. What is the volume of this gas at -23.0 °C?
4.14L
A gas syringe contains 56.05 milliliters of a gas at 315.1 K. Determine the volume that the gas will occupy if the temperature is increased to 380.5 K
67.68mL
If 15.0 liters of neon at 25.0 °C is allowed to expand to 45.0 liters, what must the new temperature be to maintain constant pressure?
894K
Determine the pressure change when a constant volume of gas at 1.00 atm is heated from 20.0 °C to 30.0 °C.
1.03 atm
A 30.0 L sample of nitrogen inside a rigid, metal container at 20.0 °C is placed inside an oven whose temperature is 50.0 °C. The pressure inside the container at 20.0 °C was at 3.00 atm. What is the pressure of the nitrogen after its temperature is increased?
3.3 atm
A sample of gas at 3.00 x 10^3 mm Hg inside a steel tank is cooled from 500.0 °C to 0.00°C.
What is the final pressure of the gas in the steel tank?
1059.5 mmHg
93.0 mL of O2 gas is collected over water at 0.930 atm and 10.0 °C. What would be the volume of this dry gas at standard conditions?
83.4 mL
690.0 mL of oxygen are collected over water at 26.0 °C and a total pressure of 725.0 mm of mercury. What is the volume of dry oxygen at 52.0 °C and 800.0 mm pressure?
679.69 mL
If a gas is heated from 298.0 K to 398.0 K and the pressure is increased from 2.230 x 103 mmHg to 4.560 x 10^3 mm Hg, what final volume would result if the volume is allowed to change from an initial volume of 60.0 liters?
39.2L
A gas balloon has a volume of 106.0 liters when the temperature is 45.0 °C and the pressure is 740.0 mm of mercury. What will its volume be at 20.0 °C and 780 .0 mm of mercury pressure?
92.66L
