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4. Prolonged exertion (exercise) for one hour in the hot sun burns 2700 kJ. We will...

4. Prolonged exertion (exercise) for one hour in the hot sun burns 2700 kJ. We will consider this the internal energy. a. If 80% of the internal energy is converted into heat, how much energy (in kJ) does that account for?

b. What happens to the other 20%?

c. What mathematic expression do you use to relate internal energy to the different components?

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Answer #1

Through First Law is thermodynamics, Internal Energy is related to heat (q) and (w) Work --{The other components }.

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