One way to state Boyle’s law is “All other things being equal, the pressure of a gas is inversely proportional to its volume.” What is the meaning of the term “inversely proportional?”
Question 2
2.
From the previous question, what are the “other things” that must be equal?
Question 3
3.
An alternate way to state Avogadro’s law is “All other things being equal, the number of molecules in a gas is directly proportional to the volume of the gas.” What is the meaning of the term “directly proportional?”
Question 4
4.
From the previous question, what are the “other things” that must be equal?
Question 5
5.
A gas sample contained in a cylinder equipped with a moveable piston occupied 300.0 mL at a pressure of 2.00 atm. What would be the final pressure if the volume were increased to 500.0 mL at constant temperature?
a. What gas law applies to this scenario? _______
b. Solve for the unknown variable (include the units in your answer). _______
Question 6
6.
Several balloons are inflated with helium to a volume of 0.75 L at 27oC. One of the balloons was found several hours later, the temperature had dropped to 22oC. What would be the volume of the balloon when found, if no helium has escaped?
a. What gas law applies to this scenario? _______
b. Solve for the unknown variable (include the units in your answer). _______
Question 7
7.
A sample of gas has a pressure of 100.0 torr and 27.0oC. Calculate the pressure if the temperature is changed to 127oC while the volume remains constant.
a. What gas law applies to this scenario? _______
b. Solve for the unknown variable (include the units in your answer). _______
Question 8
8.
A 5.50 mole sample of gas has a volume of 2.50L. What would be the volume if the amount increased to 11.0 moles?
a. What gas law applies to this scenario? _______
b. Solve for the unknown variable (include the units in your answer). _______
Question 9
9.
A chemist is preparing to carry out a reaction at high pressure that requires 36.0 moles of hydrogen gas. The chemist pumps the hydrogen into a 12.4 L rigid steel container at 25.0oC. To what pressure, in atm, must the hydrogen be compressed?
a. What gas law applies to this scenario? _______
b. Solve for the unknown variable (include the units in your answer). _______
Question 10
10.
A balloon that contains 1.50 L of air at 1.00 atm is taken underwater to a depth at which the pressure is 3.00 atm. Calculate the new volume of the balloon. Assume the temperature remains constant.
a. What gas law applies to this scenario? _______
b. Solve for the unknown variable (include the units in your answer). _______
Question 11
11.
A weather balloon is filled to the volume of 150.0 L on a day when the temperature is 10.0oC. If no gases escaped, what would be the volume of the weather balloon after it rises to an altitude where the temperature is -8.00oC?
a. What gas law applies to this scenario? _______
b. Solve for the unknown variable (include the units in your answer). _______
Question 12
12.
To what temperature must 0.588 moles of NH3 gas have to be heated in a 15.0 L container in order for it to exert a pressure of 3.50 atm?
a. What gas law applies to this scenario? _______
b. Solve for the unknown variable (include the units in your answer). _______