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A level: Kinetic Theory Questions

Q12.

(a) State the equation of state for an ideal gas.

(1 mark)

(b) A fixed mass of an ideal gas is heated while its volume is kept constant. Sketch a graph on the axes below to show how the pressure, p, of the gas varies with the absolute temperature, T, of the gas.

(2 marks)

(c) Explain in terms of molecular motion, why the pressure of the gas in part (b) varies with the absolute temperature.

(4 marks)

(d) Calculate the average kinetic energy of the gas molecules at a temperature of 300 K.

(2 marks)

(Total 9 marks)