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First Law of Thermodynamics

First Law of Thermodynamics

22. The First Law of Thermodynamics / First Law of Thermodynamics / Problem 3

At a temperature of 30 °C, a rubber balloon is filled with 3 moles of helium. The balloon is left out in the sun to expand. Helium absorbs 1000 J of heat and does 800 J of work on the rubber. Determine the final temperature (T_f) of helium.

ANSWERS OPTIONS

A

T_f = 34.0 °C

B

T_f = 35.3 °C

C

T_f = 38.6 °C

D

T_f = 46.0 °C

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