Grade 9 Science: Gas Laws Worksheet
This worksheet covers fundamental concepts of gas laws for Grade 9 science students, including Boyle's Law, Charles's Law, and Gay-Lussac's Law.
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Grade 9 Science: Gas Laws
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Read each question carefully and answer to the best of your ability. Show all your work for calculation problems.
1. Which of the following statements best describes Boyle's Law?
Volume is directly proportional to temperature.
Pressure is inversely proportional to volume.
Pressure is directly proportional to temperature.
Volume is inversely proportional to temperature.
2. If the temperature of a gas increases while its pressure remains constant, what happens to its volume?
It decreases.
It increases.
It remains the same.
It depends on the type of gas.
3. According to Charles's Law, the volume of a gas is directly proportional to its temperature, provided the pressure and number of moles remain constant.
4. Gay-Lussac's Law states that the pressure of a gas is directly proportional to its temperature when the volume and number of moles are held constant.
5. A gas occupies a volume of 2.5 L at a pressure of 1.0 atm. If the pressure is increased to 3.0 atm while the temperature remains constant, what will be the new volume of the gas? (Show your work)
6. A balloon contains 10.0 L of air at 27°C. If the temperature is increased to 227°C at constant pressure, what is the new volume of the balloon? (Show your work)
7. For a fixed amount of gas at constant temperature, if the volume of the gas is doubled, its pressure will also double.
True
False
8. Absolute zero is the theoretical temperature at which gas particles have maximum kinetic energy.
True
False