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Physics

Heat

Easy

Question

If $C subscript V equals 4.96 cal divided by mole$ K, then increase in internal energy when temperature of 2 moles of this gas is increased from 340 K to 342 K

27.80 cal
19.84 cal
13.90 cal
9.92 cal

The correct answer is: 19.84 cal

$straight capital delta U equals mu C subscript V straight capital delta T equals 2 cross times 4.96 cross times left parenthesis 342 minus 340 right parenthesis equals 19.84 cal$

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