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One mole of non - ideal gas undergoes a ...

One mole of non - ideal gas undergoes a change of state (2.0 atm , 3 .0 L , 95 K `rarr` (4.0 atm , 5.0 L , 245 K) with a change in internal energy , `DeltaU = 30.0L` atm . The change in enthalpy `(DeltaH)` of the process in L atm is

A

`40.0`

B

`42.3`

C

`44.0`

D

non defined , because process is no constant

Text Solution

Verified by Experts

The correct Answer is:
C
`H_(2) - H_(1) =( U_(2) - U_(1)) +P_(2)V_(2)-P_(1)V_(1)`
`= 30 + 4 xx5 - 2 xx 3 = 44 L atm`
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