For the given expression, ΔH=ΔU+ΔngRT, which of the following option is correct?
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
Δng = number of moles of gaseous reactant - number of moles of gaseous Product
b
pΔV≠ΔngRT
c
pΔV=ΔngRT
d
All of the above
answer is C.
(Unlock A.I Detailed Solution for FREE)
Best Courses for You
JEE
NEET
Foundation JEE
Foundation NEET
CBSE
Detailed Solution
According to the ideal gas law,pVA=nARTpVB=nBRTpVB-pVA=nBRT-nART=nB-nARTpVB-VA=nB-nARTpΔV=ΔngRTwhere, Δng refers to the number of moles of gaseous products minus the number of moles of gaseous reactants. Put the value of pΔV in equation, ΔH=ΔU+pΔV ΔH=ΔU+ΔngRT