## Question

### Solution

Correct option is

20.80 x 102J

#### SIMILAR QUESTIONS

Q1

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:

Q2

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):

Q3

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

Q4

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

Q5

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?

Q6

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

Q7

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

Q8

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:

Q9

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:

Q10

Three moles of an ideal mono-atomic gas perform a cycle as shown in figure. The gas temperatures in different states are  The work done by the gas during the cycle will be: