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2 moles of a monatomic perfect gas (initial state A and final state C) undergo an...

2 moles of a monatomic perfect gas (initial state A and final state C) undergo an isobaric expansion AB followed by an adiabatic expansion BC.
TA= 18 C
PA= 2*10^5 Pa
VB= 0,048m^3
Calculate TB and the amount of heat Q exchanged in the transformation from A to C.
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