When the amount of heat 3.4 kJ was transferred to the gas, its internal energy increased by 1.8 kJ. What work has been done on the gas?
According to the first law of thermodynamics, the heat transferred to the system is spent on doing work against external forces and increasing the internal energy of the system.
Let’s find the perfect work on the gas:
A = Q – ΔU = 3.4 – 1.8 = 1.6 kJ.
Answer: A = 1.6 kJ.
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