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JAMB Chemistry 1994 Question 5

Question 5

Gas Laws

To what temperature must a gas at 273 K be heated in order to double both its volume and pressure?

  1. A.298 K
  2. B.546 K
  3. C.819 K
  4. D.1092 K
Show the answer and explanation

Answer: D (1092 K)

Explanation

PV/T is constant, so doubling both P and V makes PV four times bigger. T must also be four times bigger: 4 × 273 = 1092 K.