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qUESTIONS

Sp and Sv are specific heats at constant pressure and constant volume respectively. It is observed that Sp – Sy = a for hydrogen gas, Cp – Cv = b for nitrogen gas

A gaseous mixture consists of 16 g of helium and 16 g of oxygen. The ratio Cp/ Cv of the mixture is

An ideal gas undergoes a quasi static, reversible process in which its molar heat capacity C remains constant. If during this process the relation of pressure P and volume V is given by PVn = constant, then n is given by (Here Cp and Cv are molar specific heat at constant pressure and constant volume, respectively)

If Cp and Cv denote the specific heats of nitrogen per unit mass at constant pressure and constant volume respectively, then

A mixture of 2 moles of helium gas (atomic mass 4 a.m.u). and 1 mole of argon gas (atomic mass 40 a.m.u) is kept at 300K in a container. The ratio of the rms speeds [Vrms (helium) / Vrms (argon)] is

At what temperature is the root mean square velocity of gaseous hydrogen molecules equal to that of oxygen molecules at 47°C

Cooking gas containers are kept in a long moving with uniform speed. The temperature of the gas molecules inside will

The temperature of an open room of volume 30 m³ increased from 17°C to 27°C due to the sunshine. The atmospheric pressure in the room remains 1x105Pa. If Ni, and Nf, are the number of molecules in the room before and after heating, then Nf – Ni will be

Under which of the following conditions is the law PV = RT obeyed most closely by a real gas

A cylinder of fixed capacity (of 44.8 litres) contains 2 moles of helium gas at STP. What is the amount of heat needed to raise the temperature of the gas in the cylinder by 20°C (Use R=8.31 J mol^-1 k^-1)

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