Q.
On which of the following factor(s) does the internal energy of the system depend?
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a
Matter enters or leaves the system
b
Work is done on or by the system
c
Heat passes into or out of the system
d
All of the above
answer is D.
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Detailed Solution
Internal energy , U of the system may change when heat passes into or out of the system, work is done on or by the system and matter enters or leaves the system.
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