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5 marksGas Laws

CSEC Physics · 2021 · Paper 2 · Question 4(b)

A container stores 5.0 m³ of gas at a pressure of 13 atmospheres and a temperature of -23 °C. Calculate the volume that the same gas would occupy at a temperature of 27 °C and atmospheric pressure of 1 atmosphere.

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  1. 4(a)(i)On Figure 4, sketch the graph of pressure versus temperature (in degrees Celsius) for an ideal gas.[2 marks]
  2. 4(a)(ii)Explain how the graph could be used to derive the Kelvin scale.[2 marks]
  3. 4(a)(iii)Using T to represent the Kelvin temperature and θ to represent the Celsius temperature, state the mathematical relationship between the Kelvin and Celsius…[2 marks]
  4. 4(c)(i)Explain the difference in the motion of the particles in Block X compared with the motion of the particles in Block Y.[2 marks]
  5. 4(c)(ii)In which direction would thermal energy be transferred?[1 mark]
  6. 4(c)(iii)State the condition under which the transfer of thermal energy would cease.[1 mark]

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