Physics, 27.01.2020 23:31 SupremeDiaz17

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a total of 27.10 kj of heat is added to a 5.30-l sample of helium at 0.981 atm. the gas is allowed to expand against a fixed external pressure to a volume of 23.70 l.
a) calculate the work done on or by the helium gas units of joules, j.
b) what is the change in the helium a internal energy in units kilojoules, kj?

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a total of 27.10 kj of heat is added to a...