SATHEE: Thermodynamics Question 123

Thermodynamics Question 123

Question: If 150 J of heat is added to a system and the work done by the system is 110 J, then change in internal energy will be

[AMU (Engg.) 1999; BHU 2000]

Options:

A) 260 J

B) 150 J

C) 110 J

D) 40 J

Show Answer

Answer:

Correct Answer: D

Solution:

$Δ Q = Δ U + Δ W$

$\Rightarrow Δ U = Δ Q - Δ W = 150 - 110 = 40 J$

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Thermodynamics Question 123

Question: If 150 J of heat is added to a system and the work done by the system is 110 J, then change in internal energy will be

Options:

Answer:

Solution:

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