Home
Class 11
PHYSICS
1kg of an ideal gas expands adiabaticall...

1kg of an ideal gas expands adiabatically from 200 K to 250 K. If the specific heat of the gas at constant volume is 0.8 kJ `kg^(-1)K^(-1)`, then the work done by the gas is

A

20 J

B

20 kJ

C

40 J

D

40 kJ

Text Solution

Verified by Experts

The correct Answer is:
D
Promotional Banner

Similar Questions

Explore conceptually related problems

What is the value of gas constant R in J mol^(-1 ) K^(-1) ?

2 kg of air is heated at constant volume. The temperature of air is increased from 293 K to 313K. If the specific heat of air at constant volume is 0.718 k. j//kg K , find the amount of heat absorbed in kj and kcal ( J=4.2 KJ// Kcal)

Five kg of air is heated at constant volume. The temperature of air increase from 300K to 340K. If the specific heat at constant volume is 0.169 kcal/kg K, find the amount of heat absorbed.

The molar specific heat of a gas at constant volume is 20 Joule/gm mol/K. The value of gamma for it will be

At 27^(@)C , two moles of an ideal mono-atomic gas occupy a volume V. The gas expands adiabatically to a volume 2V. Calculate (a) final temperature of the gas (b) change in its internal energy and (c ) the work done by the gas during the process. (R = 8.31 J/mol K)

One mole of ideal gas expands isothermally to double its volume at 27^(@)C . Then the work done by the gas is nearly