WAEC - Physics (1993 - No. 14)
A gas has a volume of 546 cm3 at OºC. What is the volume of the gas at -100ºC if its pressure remains constant?
346cm3
446cm3
546cm3
646cm3
746 cm3.
Explanation
\(\frac{V_1}{T_1} = \frac{V_2}{ T_2}\)
\(T_1\) = 0 + 273 = 273K, \(T_2\) = -100+273 = 173K
\(\frac{546}{273} = \frac{V_2}{ 173}\)
\(V_2 = 346cm^3\)
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