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6 marksGas Laws

CSEC Physics · January 2010 · Paper 2 · Question 1(g)

In a related practical activity, 2 litres of a gas were heated from 35 °C to 75 °C. If the pressure was kept constant, calculate the final volume of the gas.

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  1. 1(a)Complete Table 1 by calculating the temperature, T / K.[3 marks]
  2. 1(b)Use the readings from the completed Table 1 to plot a graph of length of the air column (L/mm) against Temperature (T/K) on the graph page on page 2. The…[6 marks]
  3. 1(c)From your graph, calculate the slope, S.[4 marks]
  4. 1(d)What information does the slope (gradient) of the graph provide?[1 mark]
  5. 1(e)Use your graph to determine the value of the length of the air column at 273 K.[1 mark]
  6. 1(f)State Charles' law.[4 marks]

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