A system is provided with 95-2 cal of heat and the work done by the system on the surrounding is 40 J- The internal energyA- Increases by 600 JB- Increases by 560 JC- Increases by 760 JD- None of these

The correct option is D None of theseFrom first law of thermodynamic, U = q + W nbsp; nbsp; q = 95.2 cal = 95.2 × 4.2 J= 400 nbsp; J W = 40 J (as wo ...

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Standard XII

Chemistry

Internal Energy

A system is p...

Question

A system is provided with $95.2 c a l$ of heat and the work done by the system on the surrounding is $40 J$ . The internal energy

Increases by

600 J

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Increases by

760 J

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Increases by

560 J

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None of these

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Solution

The correct option is D None of these
From first law of thermodynamic, $△ U = q + W$
$q = 95.2 c a l = 95.2 \times 4.2 J = 400 J$
$W = - 40 J$ (as work is done by the system)
putting the values,
$△ U = q + w = 400 - 40 = 360 J$

So internal energy increases by $360 J$

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Internal Energy

Standard XII Chemistry

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A system is provided with 95.2 cal of heat and the work done by the system on the surrounding is 40 J. The internal energy

The correct option is D None of theseFrom first law of thermodynamic, △U=q+W q=95.2 cal=95.2×4.2 J=400 J W=−40J (as work is done by the system) putting the values, △U=q+w=400−40=360 J So internal energy increases by 360 J

A system is provided with $95.2 c a l$ of heat and the work done by the system on the surrounding is $40 J$ . The internal energy

The correct option is D None of these
From first law of thermodynamic, $△ U = q + W$
$q = 95.2 c a l = 95.2 \times 4.2 J = 400 J$
$W = - 40 J$ (as work is done by the system)
putting the values,
$△ U = q + w = 400 - 40 = 360 J$

So internal energy increases by $360 J$