When 19.3 j was added as heat to a particular ideal gas, the volume of the gas changed from 56.7 cm^3 to 104 cm^3 while the pressure remained constant at 0.947 atm. (a) by how much did the internal energy of the gas change? if the quantity of gas present is 1.97 x 10^-3 mol, find the molar specific heat of the gas at (b) constant pressure and (c) constant volume.

a)

b)

Explanation:

Given:

Heat given to the gas, Initial volume of the gas,Final volume of the gas, Constant pressure of the gas,Number of moles of the gas,

Let R be the gas constant which has value

Work done in the process

Now Using First Law of thermodynamics

Let be the molar specific heat of the gas at constant volume given by

Also we know that

Let be the molar specific heat of the gas at constant pressure given by

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