Describe how to determine the specific heat capacity of an aluminium block using an electric heater.
From Paper 2
1(b)3 marks
A 2.4 kW kettle heats 1.5 kg of water from 15 °C to 100 °C. Calculate the minimum time taken. (c = 4200 J kg⁻¹ K⁻¹)
From Paper 2
1(c)4 marks
State four assumptions made in the kinetic theory of an ideal gas.
From Paper 2
1(d)3 marks
A cylinder of volume 0.020 m³ contains air at 2.0 × 10⁵ Pa and 290 K. Calculate the number of molecules and the mass of air (molar mass 0.029 kg mol⁻¹).
From Paper 2
61 mark
How much energy is needed to raise 2.0 kg of water by 5.0 K? (c = 4200 J kg⁻¹ K⁻¹)
From Paper 2
71 mark
How much energy melts 0.50 kg of ice at 0 °C? (L = 3.34 × 10⁵ J kg⁻¹)
From Paper 2
81 mark
A gas occupies 0.0249 m³ at 100 kPa and 300 K. How many moles are there?
From Paper 2
91 mark
What is the mean kinetic energy of a gas molecule at 300 K?
From Paper 2
101 mark
The absolute temperature of an ideal gas is doubled. The rms speed is multiplied by:
Score 0 / 19 · 0 of 9 marked
This paper is written by Plasmo in the style of the AQA A-Level Physics exam. It is not a past paper and is not produced or endorsed by the exam board.