Gas Laws
Physics ⇒ Heat and Thermodynamics
Gas Laws starts at 9 and continues till grade 12.
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Describe the effect of decreasing the temperature of a gas at constant volume.
Describe what happens to the pressure of a fixed amount of gas if its temperature is increased at constant volume.
Explain why gases are easily compressible compared to solids and liquids.
Explain why the Kelvin scale is used in gas law calculations instead of the Celsius scale.
Explain why the volume of a gas increases when the temperature increases at constant pressure.
If the pressure of a gas is doubled at constant temperature, what happens to its volume?
State Charles's Law.
What is the standard temperature and pressure (STP) for gases?
Which law relates the pressure and temperature of a gas at constant volume?
(1) Boyle's Law
(2) Charles's Law
(3) Gay-Lussac's Law
(4) Avogadro's Law
Which law states that the total pressure exerted by a mixture of non-reacting gases is equal to the sum of the partial pressures of individual gases?
(1) Dalton's Law
(2) Boyle's Law
(3) Charles's Law
(4) Avogadro's Law
Which of the following equations represents the ideal gas law?
(1) PV = nRT
(2) P/T = k
(3) V/T = k
(4) PV = k
Which of the following is a correct statement of Avogadro's Law?
(1) V ∝ n
(2) V ∝ T
(3) P ∝ T
(4) P ∝ 1/V
Fill in the blank: At constant pressure, the volume of a gas is directly proportional to its ________ temperature.
Fill in the blank: The ideal gas law combines Boyle's Law, Charles's Law, and ________'s Law.
Fill in the blank: The number of molecules in one mole of any gas is called ________'s number.
Fill in the blank: The pressure of a gas is caused by the ________ of its molecules with the walls of the container.
True or False: According to Avogadro's Law, equal volumes of all gases at the same temperature and pressure contain the same number of molecules.
True or False: At constant temperature, the product of pressure and volume of a fixed amount of gas is constant.
True or False: The ideal gas law can be used to describe the behavior of gases at very high pressures and very low temperatures.
True or False: The kinetic energy of gas molecules increases with increasing temperature.
