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Chemistry Gas Laws

#### Q. The pressure in an oxygen tank stored at 25.0°C is 15.0 atm. What pressure will develop in the tank if is heated in an oven to 450°C? A. 6380 atm B. 6.18 atm C. 270 atm D. 36.4 atm E. 54.6 atm

Solved • Apr 3, 2020

Chemistry Gas Laws

#### Q. A sample of oxygen gas has its absolute temperature halved while the pressure of the gas remained constant. If the initial volume is 400 mL, what is the final volume? A. 20 mL B. 133 mL C. 200 mL D. 400 mL E. 800 mL

Solved • Apr 3, 2020

Chemistry Gas Laws

#### Q. Calculate the pressure of the air when the volume is reduced to 0.42 L at the same temperature. When the equation for the line representing the relationship between Volume (L) vs. (1/pressure) is y=786.12x - 0.0908.

Solved • Apr 2, 2020

Chemistry Gas Laws

#### Q. Each gas sample has the same temperature and pressure. Which sample occupies the smallest volume?

Solved • Apr 1, 2020

Chemistry Gas Laws

#### Q. A sample of methane gas, CH4(g), occupies a volume of 60.3 L at a pressure of 469 torr and a temperature of 29.3 °C. What would be its temperature at a pressure of 243 torr and volume of 60.3 L? A. -116.5 °C B. 15.2 °C C. 15.5 °C D. 57.7 °C E. 310.6 °C

Solved • Apr 1, 2020

Chemistry Gas Laws

#### Q. A sample of a gas occupies 2.78 x 10^3 mL at 25 °C and 760 mmHg. What volume will it occupy at the same temperature and 475 mmHg? A. 1.74 L B. 4.45 L C. 1.04 L D. 3.67 L E. none of the above

Solved • Apr 1, 2020

Chemistry Gas Laws

#### Q. A helium balloon is filled on the ground where the atmospheric pressure is 768 torr. The volume of the balloon is 8.00 m^3. When the balloon reaches an altitude of 4200 m, its volume is found to be 16.8 m^3. Assume that the temperature remains constant, what is the air pressure at 4200 m in torr? A. 1.61 x 10^3 B. 366 C. 543 D. 111 E. 89

Solved • Apr 1, 2020