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1. for an adiabatic process dH is zero. Is it true for both reversible and irreversible process? In adiabatic expansion from 1L to 2L via reversible and irreversible processes then dH should be zero. Is it correct?

1. for an adiabatic process dH is zero. Is it true for both reversible and irreversible process? In adiabatic expansion from 1L to 2L via reversible and irreversible processes then dH should be zero. Is it correct?

Grade:12

2 Answers

Sanjeev Malik IIT BHU
101 Points
9 years ago

yes dH=0 alwways for a adiabatic pressure.

it is defined as a process having dH=0 is adiabatic not in reverse manner.

but for reversible and irreversible (for both dH=0) work done arw diff and thus change in internal energies are diff

i.e final temps are diff.

 

 

 

 

 

click "yes" below to like the answer

ankitesh gupta
63 Points
8 years ago

NO SINCE dH IS CHANGE IN ENTHALPY IN ADIABATIC PROCESS Q=0 WHERE Q IS HEAT FLOW AND IN ADIABATIC REVERSIBLE

Q=dH THEREFORE IN ADIABATIC REVERSIBLE dH=0 BUT IN ADIABATIC IRREVERSIBLE ONLY q=0 AND NOT dH=0

 

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