Question

16. [-/2 Points]

OBINPHYS8 5.P.010.
Air in a balloon does 563 of work while absorbing 97 3 of heat. What is its change in internal energy?
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Answer 1

The change in internal energy (∆U) of the balloon is -465.7 units. The negative sign indicates that the internal energy of the balloon has decreased.

Step-by-step explanation:

To find the change in internal energy of the balloon, we can use the First Law of Thermodynamics, which states:

Change in internal energy (∆U) = Heat added (Q) - Work done by the system (W)

Given:

Heat added (Q) = 97.3 units

Work done by the system (W) = 563 units

Now, let's plug in the values:

∆U = 97.3 - 563

∆U = -465.7

Therefore, the change in internal energy (∆U) of the balloon is -465.7 units. The negative sign indicates that the internal energy of the balloon has decreased.