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Change in energy = - 51kJ, a piston expanded against P of 1.2atm giving a change in volume of 32L. What was the change in heat of this system?

Change in energy = - 51kJ, a piston expanded against P of 1.2atm giving a change in volume of 32L. What was the change in heat of this system?

Grade:11

1 Answers

PASUPULETI GURU MAHESH
126 Points
7 years ago
Here the  changing internal energy is = -51 kj
                                                        p=1.2 atm
            changing volueme = 32 L
 
we know first law thermodynamics dQ=dU+PdV
you get answer

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