A gas is compressed at a constant pressure of $$50$$ $$N/m2$$ from a volume of $$10$$ $$m3$$ to a volume of $$4$$ $$m3$$. Energy of $$100$$ J is then added to the gas by heating. Its internal energy is:

Correct option is 1increased by 400 J

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A gas is compressed at a constant pressure of 50 N/m² from a volume of 10 m³ to a volume of 4 m³. Energy of 100 J is then added to the gas by heating. Its internal energy is:

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detailed solution

Correct option is A

dQ= dU + dW100 =du +50(4-10)dU =400 J

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A gas is compressed at a constant pressure of 50 N/m2 from a volume of 10 m3 to a volume of 4 m3. Energy of 100 J is then added to the gas by heating. Its internal energy is:

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A gas is compressed at a constant pressure of 50 N/m² from a volume of 10 m³ to a volume of 4 m³. Energy of 100 J is then added to the gas by heating. Its internal energy is: