Some examples from this set of practice questions
1.
Which gas law explains the relation between volume and pressure at constant temperature?
Answer: Boyle\'s law
2.
How will an increase in volume affect the pressure at constant temperature? Which law is applied?
Answer: - Decrease in pressure - Boyle\'s law
3.
A certain container has a volume of 5L and the pressure is 14 kPa. If the pressure is increased to 16 kPa, what will be the volume in the container provided that the temperature is constant?
Answer: 4.38 L
4.
A certain container has a pressure of 3 kPa and a volume of 4 L. If the volume is increased by 3 L, what can be the expected pressure provided that the temperature is the same throughout?
Answer: 1.71 kPa
5.
According to Boyle\'s law, as the pressure exerted on a gas is increased, the volume will
Answer: decrease
Some examples from this set of practice questions
1.
state Charles\' law in words
Answer: States that the volume of an enclosed gas is directly proportional to the temperature provided that the pressure and amount of gas are constant.
2.
Which two variables of ideal gases are investigated in Charles\' law?
Answer: Volume and Temperature
3.
Which condition(s) should be met when investigating Charles\' law?
Answer: Pressure and amount of gas should be constant.
4.
Write down the formula for Charles\' law
Answer: V1/T1 = V2/T2
5.
What will happen to the volume of a sample of gas if the temperature decreases, provided that the pressure and amount of gas are conserved?
Answer: The volume will decrease
Some examples from this set of practice questions
1.
State Gay-Lussac\'s law in words
Answer: Pressure is directly proportional to temperature, provided the volume is constant.
2.
Which variable needs to be controlled (kept constant) to apply Gay-Lussac\'s law?
Answer: Volume
3.
According to Gay-Lussac\'s law, if what will happen to the pressure if there is an increase in temperature?
Answer: The pressure will also increase
4.
Write down the formula which represents Gay-Lussac\'s law
Answer: P1/T1 = P2/T2
5.
What is the unit of temperature when applying Gay-Lussac\'s law ?
Answer: Kelvin
Some examples from this set of practice questions
1.
What are the variables involved in the General Gas Equation?
Answer: Temperature, pressure and volume
2.
Write down the General Gas Equation formula
Answer: P1V1/T1 = P2V2/T2
3.
At the beginning of a journey, a truck tyre has a volume of 30 ml and an internal pressure of 170 kPa. The temperature of the tyre is is 160 degrees Celsius. By the end of the trip, the volume of the tyre has increased to 32 ml and the temperature of the air inside the tyre is 400 degrees Celsius. What is the tyre pressure at the end of the journey?
Answer: 172.61 kPa
4.
A cylinder of propane gas is kept at a temperature of 298 K. The gas exerts a pressure of 5 atm and the cylinder holds 4 ml of gas. If the pressure of the cylinder increases to 5,2 atm and 0,3 ml of gas leaks out, what temperature is the gas now at?
Answer: 286.68 K
5.
A sample of a gas exerts a pressure of 100 kPa at 15 ℃. The volume under these conditions is 10 dm3. The pressure increases to 130 kPa and the temperature increases to 32 ℃. What is the new volume of the gas?
Answer: 8.15 dm3
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