A gas occupies 22.4 L in NTP. Calculate the volume occupied it at `30^@C` and 665 mm pressure.

2.9g of a gas at 95^@C occupied the same volume as 0.184g of dihydrogen at 17^@C at the same pressure. What is the molar mass of the gas.

A vessel of 100 ml capacity contains a gas at 30^@C at 1.5 bar pressure . The gas is transferred to another vessel of volume 150 ml at 30^@C What would be its pressure?

One mole of naphthalene ( C_10H_8 ) is burnt in oxygen at constant volume to give CO_2 and water at 25^@C The heat evolved is found to be -5138.8 KJ mol^(-1) Calculate the heat of reaction at constant pressure.

One mole of an ideal gas at standard temperature and pressure occupies 22.4 L (molar volume). What 'is the ratio of molar volume to the atomic volume of a mole of hydrogen?

Three moles of an ideal gas at a constant temperature of 300 K is compressed from a volume of 4 litres to 1 litre. Calculate the work done in the process. Given R=8.31 Jmol^-1K^-1 .

2.0mol of N_2 gas is kept in a vessel of volume 0.020m^3 and the temperature was maintained at 60^@C . Calculate the pressure of the gas.(Assume that N_2 gas is ideal)

Show that for an ideal gas C_p - C_v = R where C_p and C_v are the heat capacity at constant pressure and constant volume respectively.

The length of a cube is 10^@C is 10 cm. If temperature is increased to 30^@C what is the change in volume. (alpha = 7.2 xx 10^-5l^0C) .

For the reaction 2A harr 4B + C the concentration of B is increased by 5xx10^-3 mol L^-1 in 10 seconds. Calculate the rate of appearance of B.

For the reaction 2A harr 4B + C the concentration of B is increased by 5xx10^-3 mol L^-1 in 10 seconds. Calculate the rate of disappearance of A.