Use the graph for a fixed gas sample at constant pressure. What relationship do the plotted values show?

Use the graph for a fixed gas sample at constant temperature. What happens to the pressure when the volume changes from 2.0 L to 4.0 L?

Use the graph for a fixed gas sample held at constant volume. Which statement matches the pressure-temperature data?

Use the graph for a fixed gas sample at constant pressure. The line would reach zero volume near -273 °C. What does that intercept show?

Use the graph for a fixed gas sample at constant temperature. Which quantity is the same at every plotted point?

Use the graph for a fixed gas sample at constant pressure. What does the constant slope of the line show?

Use the apparatus figure. The trapped air is compressed slowly from the first piston position to the second while temperature stays constant. What is the second gauge pressure?

Use the apparatus figure. A gas column starts at the marked state and is warmed at constant pressure until it reaches 450 K. What final volume should the piston mark?

Use the apparatus figure. The trapped gas is compressed at constant temperature from 75 mL to 25 mL. What pressure should the gauge read at the second position?

Use the apparatus figure. The piston moves from 60 mL to 90 mL while the trapped gas remains at constant temperature. What is the final pressure?

A sealed cylinder holds 4.0 L of gas at 250 kPa. The piston is released so the gas expands to 10.0 L while temperature is constant. What is the new pressure?

A fixed sample of gas has a volume of 3.0 L at 180 kPa. It is compressed to 1.2 L at constant temperature. What is the final pressure?

A gas sample occupies 2.5 L at 300 kPa. Temperature is held constant while the pressure is reduced to 150 kPa. What volume does the gas occupy?

A trapped gas is at 95 kPa in a 0.80 L container. At constant temperature, the gas expands to 1.6 L. What is its new pressure?

A fixed sample of gas occupies 2.0 L at 27 °C. It is heated to 127 °C while the pressure is held constant. What volume does it occupy?

A balloon has a volume of 3.0 L at 27 °C. The pressure stays constant as it warms to 77 °C. What is its new volume?

A gas at constant pressure occupies 5.0 L at 300 K. It cools to 240 K. What is its final volume?

A fixed gas sample has a volume of 1.2 L at 250 K. At constant pressure, its temperature increases to 500 K. What is the final volume?

A flexible gas container holds 8.0 L at 15 °C. The pressure remains constant as the gas warms to 45 °C. What is the new volume?

A gas occupies 6.4 L at 350 K. At constant pressure, it is cooled to 280 K. What volume does it occupy?

A fixed gas sample is at 100 kPa, 2.0 L and 300 K. It changes to 3.0 L and 450 K. What is the final pressure?

A fixed sample of gas starts at 240 kPa, 1.5 L and 300 K. It changes to 180 kPa and 360 K. What final volume satisfies the combined gas law?

A fixed gas sample is 4.0 L at 200 kPa and 27 °C. It is changed to 150 kPa and 127 °C. What is its final volume?

A fixed gas sample changes from 90 kPa, 5.0 L and 250 K to 150 kPa and 3.0 L. What final temperature satisfies the combined gas law?

A gas occupies 1.5 L at 17 °C. It is heated to 87 °C while pressure stays constant. What volume does it occupy at the higher temperature?

A fixed gas sample starts at 80 kPa, 2.5 L and 280 K. It changes to 100 kPa and 350 K. What is the final volume?

Which law applies when a fixed sample of gas changes pressure and volume while temperature is held constant?

A bicycle pump's outlet is blocked and the handle is pushed down slowly, so the trapped air stays at room temperature. Why does its pressure rise?

A sealed metal can of gas is heated while its volume stays fixed. What particle-model explanation best predicts the pressure change?

Why must temperatures be in kelvins before using Charles's law or the combined gas law?