Question

One mole of an ideal mono-atomic gas is heated at a constant pressure of one atmosphere from 0oC to 100oC. The work done by the gas is:

Solution

Correct option is

 

         

For one mole of a gas

              

 

SIMILAR QUESTIONS

Q1

70 calories of heat are required to raise the temperature of 2 moles of an ideal gas at constant pressure from 30oC to 35oC. The amount of heat required to raise the temperature of the same gas through same range (30oC to 35oC) at constant volume is:

Q2

A motor-car tyre has a pressure of 2 atmosphere at 27oC. It suddenly bursts. If (Cp/Cv) = 1.4 for air, find the resulting temperature:

Q3

Find the  amount of work done to increase the  temperature of one mole of ideal gas by 30oC, if it is expanding under the condition  (R = 8.31 J/mol-K):

Q4

For an adiabatic expansion of a perfect gas, the value of  is equal to:

Q5

In an adiabatic expansion of a gas, the product of pressure and volume:

Q6

One of the most efficient engines ever developed operates between 2100 K and 700 K. Its actual efficiency is 40%. What percentage of its maximum possible efficiency is this?

Q7

In an adiabatic change, the pressure P and temperature  of a diatomic gas are related by the relation   where equals:

Q8

By opening the door of a refrigerator inside a closed room:

Q9

One mole of an ideal mono-atomic gas is heated at a constant pressure of one atmosphere from 0oC to 100oC. Then the change in the internal energy is:

Q10

One mole of an ideal mono-atomic gas is heated at a constant pressure of one atmosphere from 0oC to 100oC. The heat taken from the source is: