A particular gas exerts a pressure of 2.42 atm. What is this pressure in units of mmHg? a. 2.38 mmHg b. 1.84 × 103 mmHg c. 2.45 mmHg d. 3.18 × 10–3 mmHg e. 1.86 × 103 mmHg

A 1.62 L sample of gas is warmed from 250.0 K to a final temperature of 660.0 K. Assuming no change in pressure, what is the final volume of the gas? L

43

A sample of helium has a volume of 2.275 L at 10.25 atm and 30.0 degree C. If the volume is increased to 20.39 L and the temperature decreases to -20.0 Degree C, what pressure does the gas exert? A. 1.37 atmB. 0.730 atmC. 0.136 atmD. 0.762 atmE. 0.955 atm

A weather balloon is inflated to a volume of 26.4 L at a pressure of 740. mmHg and a temperature of 27.1°C. The balloon rises in the atmosphere to an altitude where the pressure is 400. mmHg and the temperature is -13.1 °C. Assuming the balloon can freely expand, calculate the volume of the balloon at this altitude. ? Viballoon L

Hw.75.

A helium balloon has a volume of 2.30 L at 23.5 Celsius and a pressure of 1.00 atm at sea level. The balloon is released and floats upward. At a certain height the atmospheric pressure is 0.810 atm and the temperature is 12.0 Celsius. calculate the new volume of the balloon