The pressure of a gas is `2.5 atm`. Calculate the value in torr.

The temperature and pressure of one mole of an ideal monoatomic gas changes from 25^(@) C and 1 atm pressure to 250^(@) C and 25 atm. Calculate the change in entropy for the process.

Hydrogen gas obtained by electrolysis of 18g of water is heated to 127^(@)C at a pressure of 2 atm . Calculate the volume it would occupy.

At 1000K , the pressure of iodine gas is found to be 0.1 atm due to partial dissociation of I_(2)(g) into I(g) . Had there been no dissociation, the pressure would have been 0.07 atm . Calculate the value of K_(p) for the reaction: I_(2)(g)hArr2I(g) .

At 1000K, the pressure of iodine gas is found to be 0.112 atm due to partial dissociation of I_(2)(g) into I(g). Had there been no dissociation, the pressure would have been 0.074 atm. Calculate the value of K_(p) for the reaction: I_(2)(g) hArr 2I(g) .

30 litre of ammonia gas at 30^@C and 40 atm pressure is allowed to expand in a space of 40 litre capacity and pressure becomes 20 atm. Calculate the drop in temperature.

300 L of ammonia gas at 20^(@)C and 20 atm pressure is allowed to expand in a space of 600 L capacity and to a pressure of 1 atm. Calculate the drop in temperature.

5 g of He at 27^(@)C is subjected to a pressure change from 0.5 atm to 2 atm . The initial volume of the gas is 10 dm^(3) . Calculate the change in volume of the gas.

A gas expands by 2 litres against a constant pressure of 2 atm. Calculate work done in Joule and Calorie.

A gas expands by 0.5L against a constant pressure of 1 atm . Calculate the work done in joule and calorie.

At 27^(@)C , one mole of an ideal gas is compressed isothermally and reversibly from a pressure of 2 atm to 10 atm. Calculate DeltaU and q .