Statement 1: The ratio of volume and absolute temperature is constant for a fixed amount of gas at constant pressure.
Statement 2: At constant pressure, the volume of a given mass of a gas increases or decreases by 1/273 of its volume at 0°C, for each 1°C rise or fall in temperature, respectively.

Question

Statement 1: The ratio of volume and absolute temperature is constant for a fixed amount of gas at constant pressure.

Statement 2: At constant pressure, the volume of a given mass of a gas increases or decreases by 1/273 of its volume at 0°C, for each 1°C rise or fall in temperature, respectively.

TestHub · Accepted Answer

Statement 2 is Charles' law in its original form: V t = V 0 (1 + t/273) = V 0 T/273. Dividing by T gives V/T = V 0 /273 = constant, which is exactly Statement 1. Both are correct and I follows directly from II. Ans: (a).

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