What is the change in the internal energy (AU) of the air inside a ballon if it is heated up with 3 Joules of heat (Q) while it expands and it does 1 Joule of work (W) by pushing the walls of the ballon when expanding.

What is the change in the internal energy (AU) of the air inside a ballon if it is heated up with 3 Joules of heat (Q) while it expands and it does 1 Joule of work (W) by pushing the walls of the ballon when expanding.

University Physics Volume 2

18th Edition

ISBN:9781938168161

Author:OpenStax

Publisher:OpenStax

Chapter4: The Second Law Of Thermodynamics

Section: Chapter Questions

Problem 8CQ: The energy output of a heat pump is greater than the energy used to operate the pump. Why doesn't...

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Question

What is the change in the internal energy (AU) of the air inside a ballon if it
is heated up with 3 Joules of heat (Q) while it expands and it does 1 Joule of
work (W) by pushing the walls of the ballon when expanding.
HINT: Use the 1st law of thermodynamics.
Give your answer in units of [Joules]

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