A fixed amount of gas at 25.0 °C occupies a volume of 10.0 L when the pressure is 629 torr. Use Charles's law to calculate the volume (L) the gas will occupy when the temperature is increased to 121 °C while maintaining the pressure at 629 torr.
A) 13.2
B) 7.56
C) 10.9
D) 2.07
E) 48.4

Question

Quizplus · Accepted Answer

Charles's Law states that V1/T1 = V2/T2 for a constant pressure. Convert temperatures to Kelvin: T1 = 25.0 + 273.15 = 298.15 K and T2 = 121 + 273.15 = 394.15 K. Using V1 = 10.0 L, solve for V2: V2 = V1 * (T2/T1) = 10.0 * (394.15/298.15) = 13.2 L.

A Fixed Amount of Gas at 25