wiz-icon
MyQuestionIcon
MyQuestionIcon
1
You visited us 1 times! Enjoying our articles? Unlock Full Access!
Question

2 mole of an ideal gas at 27C expands iso - thermally and reversibly from a volume of 4 litre to 40 litre. The work done(in kJ)by the gas is:


A

w = -28.72 kJ

No worries! We‘ve got your back. Try BYJU‘S free classes today!
B

w = - 11.488 kJ

Right on! Give the BNAT exam to get a 100% scholarship for BYJUS courses
C

w = - 5.736 kJ

No worries! We‘ve got your back. Try BYJU‘S free classes today!
D

w = - 4.988 kJ

No worries! We‘ve got your back. Try BYJU‘S free classes today!
Open in App
Solution

The correct option is B

w = - 11.488 kJ


n = 2,T = 300 K,V2 = 40 lit,V1 = 4 lit,R = 8.314/K/mol

Amount of work done is reversible isothermal expension

W = 2.303nRTlog(V2V1) = 2.303 × 2 × 8.314 × 300 × log(404) = 11.488kJ


flag
Suggest Corrections
thumbs-up
28
Join BYJU'S Learning Program
similar_icon
Related Videos
thumbnail
lock
First Law of Thermodynamics
CHEMISTRY
Watch in App
Join BYJU'S Learning Program
CrossIcon