The work done by the system is 8 joule, ...

The work done by the system is `8` joule, when `40` joule heat is supplied to it. What is the increases in internal energy of system.

A

25J

B

30J

C

32J

D

28J

Text Solution

Verified by Experts

The correct Answer is:

C

q= 40J
`w= -8J` (work done by the system)
`Delta E= q +w= 40-8= 32J`

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