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

70 calories of heat are required to raise the temperature of 2 moles of an ideal gas at constant pressure from 30C to 35C. The amount of heat required to raise the temperature of same gas through the same range (30C to 35C) at constant volume (R = 2 cal/mol/K)


A

30 cal

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

50 cal

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

70cal

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

90 cal

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

The correct option is B

50 cal


dQ=nCPdT=70=2CP.5CP=7CGSunits

Hence CV=5CGSunits

dU=nCVdT=2×5×5dU=50Cal


flag
Suggest Corrections
thumbs-up
0
Join BYJU'S Learning Program
similar_icon
Related Videos
thumbnail
lock
Thermodynamic Processes
PHYSICS
Watch in App
Join BYJU'S Learning Program
CrossIcon