1.

In an experiment using Regnault's method of determining specific heat capacity of a gas at constant pressue, a gas was stored in a reservoir of 50- litre capacity at 10^(@)C and 6 atmosphere pressure. The gas was heated to 100^(@)C and passed through a calorimeter at 10^(@)C. When the temperature rose to 30^(@)C the calorimeter was detached from the heating bath. The pressure of the reservoir was found to fall to 4 atmosheric pressure in the mean time. Calculate the specific heat capacity of the gas at constant pressure if the water equivalent of the calorimeter and its contents was 50g. Mass of 1 liter of gas at NTP =1.25xx10^(-3)kg

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