7. Gases

Which of the following is closest to the vapor pressure of propanone (acetone) at 45 °C?

Which of the following graphs best represents the relationship between pressure (P) and temperature (T) for a fixed volume of an ideal gas?

Under which of the following conditions does a sample of gas behave most ideally according to the ideal gas law?

When liquid water is converted to water vapor at constant mass, what happens to its volume and mass?

In the context of the Ideal Gas Law, why is it important to remove oil from a low-pressure system operating at 130 °F?

An ideal gas expands through an adiabatic process. Which of the following statements is true?

A balloon is inflated to 7.0 L of volume. How many moles of gas does it contain at standard temperature and pressure (STP)?

1.636 g of an unknown sulfur oxide gas, SO_x, is in a 0.5 L flask at 1 atm and 25.0 °C. Which is the most likely chemical formula of the compound?

39.9 liters of hydrogen are collected over water at 76.0°C and have a pressure of 439 torr. What would the pressure (in torr) of the 'dry' hydrogen at 29.4°C in an 18.5 liter container be? (Water Vapor Pressure at 76.0°C is 301.4 torr)

45.4 liters of hydrogen are collected over water at 76.0°C and has a pressure of 498 torr. What would the pressure (in torr) of the 'dry' hydrogen at 22.2°C in an 11.6 liter container be? (Water Vapor Pressure at 76.0°C is 301.4 torr)

A 75.0 g sample of dinitrogen monoxide (N2O) is confined in a 4.12 L vessel. What is the pressure (in atm) at 205.0°F, given that the ideal gas constant R is 0.0821 L·atm/mol·K?

A 75.0 g sample of dinitrogen monoxide (N2O) is confined in a 4.12 L vessel. What is the pressure (in atm) at 205°F, assuming ideal gas behavior?

A balloon initially has a pressure of 2.9 atm, a volume of 4.5 L, and a temperature of 349.3 K. If the pressure changes to 3.4 atm and the volume to 6.5 L, what is the new temperature of the balloon?

A gas occupies a volume of 0.77 L at 20°C and 720 torr. Using the Ideal Gas Law, what volume would the gas occupy at 48°C and 760 torr?