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JAMB Chemistry 2014 Paper

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Question : 4

Total: 45

200 cm3 of a gas at 25ºC exerts a pressure of 700 mmHg. Calculate its pressure if its volume increase 350 cm3 at 75ºC.

342.53 mmHg
1430.54 mmHg
467.11 mmHg
400.00 mmHg

Solution:

$\frac{p1V 1}{T1}$ = $\frac{P2V2}{T2}$ $\frac{700x200}{298}$ = $\frac{P2X 350}{348}$ P2 = $\frac{700x200x348}{298x350}$ = 467.11mmHg

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