Specific heat of argon at constant pressure is `0.125 cal.g^(-1) K^(-1)`, and at constant volume `0.075 cal.g^(-1)K^(-1)`. Calculate the density of argon at N.T.P. Given `J = 4.18 xx 10^(7)" erg "cal^(-1)` and normal pressure = `1.01 xx 10^(6)" dyne "cm^(-2)`.

The specific heat of a monoatomic gas at constant pressure is 248.2 J kg^(-1)K^(-1) and at constant volume it is 149.0 J kg^(-1) K^(-1) . Find the mean molar mass of the gas.

The specific heat of argon at constant valume is 0.075 kcal kg^(-1) K^(-1) . Calculate its atomic weight. Take R = 2 cal mol^(-1) K^(-1) .

The specific heat of argon at constant pressure is 0.127 and ratio of specific hats is 1.667. Calculate the value of J. One litre of argon weighs 1.786 g at N.T.P.

Calculate the molar specific heat at constant volume . Given : specific heat of hydrogen at constant pressure is 6.85 "cal" mol^(-1) K^(-1) and density of hydrogen = 0.0899 "g" cm^(-3) . One mole of gas = 2.016g, J=4.2xx10^(7) "erg" cal^(-1) and 1 atmosphere = 10^(6) "dyne" cm^(-2) .

For air, specific heat at constant pressure is 0.273 cal g^(-1) .^(@)C^(-1) and specific heat at constant volume is 0.169 cal g^(-1).^(@)C^(-1) , density of air = 0.001293 g cm^(-3) at S.T.P. Calculate the value of J.

The specific heat at constant volume for a gas is 0.075 cal/g and at constant pressure it is 0.125 cal/g. Calculate, (i) the molecular weight of gas, (ii). Atomicity of gas.

The specific heat capacity of helium at constant pressure is 1250cal kg^(-1)K^(-1) . Assuming that the gas is monatomic, calculate the mechanical equivalennt of heat. Densityy of gas at NTP =0.1785 kgm^(-3)

Calculate the value of c_(v) for air, given that c_(p) = 0.23 calorie g^(-1)K^(-1) . Density of the air at S.T.P. is 1.293 g litre ^(-1) and J = 4.2 xx 10^(7) erg calorie ^(-1) .

The specific heat capacities of hydrogen at constant volume and at constant pressure are 2.4 cal g^(-1) ^@C ^(-1) and 3.4 cal g^(-1)^@C respectively. The molecular weight of hydrogen is 2g mol^(-1) and the gas constant R= 8.3 xx 10^(7)erg^@C mol^(-1) . Calculate the value of J .