Gas Laws
Physics ⇒ Heat and Thermodynamics
Gas Laws starts at 9 and continues till grade 12.
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A 1.0 mol sample of an ideal gas occupies 22.4 L at standard temperature and pressure (STP). What is the value of STP in terms of temperature and pressure?
Describe the effect of increasing temperature on the kinetic energy of gas molecules.
Explain the difference between an ideal gas and a real gas.
Explain why the ideal gas law fails at very high pressures and very low temperatures.
If the pressure of a fixed amount of gas is doubled at constant temperature, what happens to its volume?
Which of the following best describes Avogadro’s Law?
(1) V ∝ n
(2) V ∝ T
(3) P ∝ T
(4) P ∝ 1/V
Which of the following is NOT a gas law?
(1) Boyle’s Law
(2) Charles’s Law
(3) Ohm’s Law
(4) Avogadro’s Law
Which of the following is NOT an assumption of the kinetic molecular theory of ideal gases?
(1) Gas particles have negligible volume.
(2) Gas particles exert attractive forces on each other.
(3) Collisions between gas particles are perfectly elastic.
(4) The average kinetic energy of gas particles is proportional to temperature.
Which of the following is the correct mathematical expression for Boyle’s Law?
(1) P₁V₁ = P₂V₂
(2) P₁/T₁ = P₂/T₂
(3) V₁/T₁ = V₂/T₂
(4) PV = nRT
Charles’s Law states that, at constant pressure, the volume of a given mass of gas is directly proportional to its _________.
The combined gas law can be written as _________.
The molar volume of an ideal gas at STP is ________ L.
The pressure of a gas is directly proportional to its absolute temperature at constant volume. This statement describes _________.
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: The pressure of a gas increases if the volume is decreased at constant temperature.
True or False: The van der Waals equation accounts for the finite size of molecules and intermolecular attractions in real gases.
