JAMB Chemistry 2010 Objective — Question 5
Question 5 of 50 from the Joint Admissions and Matriculation Board (JAMB) Chemistry 2010 Objective paper, with the correct answer and a full explanation.
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5. The volume of a given gas is Vcm3 at P mmHg. What is the new volume of the gas if the pressure is reduced to half at constant temperature? A. V/2 cm3 B. V cm3 C. 4Vcm3 D. 2Vcm3
- A. V/2 cm3
- B. V cm3
- C. 4Vcm3
- D. 2Vcm3Correct
Explanation
By Boyle's Law, P1V1 = P2V2. Halving the pressure at constant temperature doubles the volume: 2Vcm3.
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