Three moles of hydrogen at 30oC is allowed to expand at constant pressure to twice its original volume. Then amount of heat supplied to the gas is R = 8.3 J/K-mol
see full answer
Your Exam Success, Personally Taken Care Of
1:1 expert mentors customize learning to your strength and weaknesses – so you score higher in school , IIT JEE and NEET entrance exams.
An Intiative by Sri Chaitanya
a
12.48 KJ
b
26.4 KJ
c
18.62 KJ
d
9.27 KJ
answer is B.
(Unlock A.I Detailed Solution for FREE)
Best Courses for You
JEE
NEET
Foundation JEE
Foundation NEET
CBSE
Detailed Solution
At constant pressure, V2T2=V1T1⇒T2=T1(V2V1)∴ T2=(273+30)×2V1V1=606 K∴ Q=nCP ΔT=3×7×8.32×(606−303)J=26.4 KJ