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Physics 11 Online
OpenStudy (anonymous):

A gaseous refrigerant undergoes compression over 160 J of work done on it. If the internal energy of the gas increases by 130 J, the amount of heat transfer is:

OpenStudy (anonymous):

First law of thermodynamics: ΔU = q+w ΔU = internal energy change q = heat added to the system w = work done on the system

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