A closed 2.0-L container holds 3.0 mol of an ideal gas.If 190 J of heat is added,what is the change in internal energy of the system?
A)zero
B)140 J
C)165 J
D)190 J
E)240 J

Name: A closed 2.0-L container holds 3.0 mol of an ideal gas.If 190 J of heat is added,what is the change in internal energy of the system? A)zero B)140 J C)165 J D)190 J E)240 J
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Question

A closed 2.0-L container holds 3.0 mol of an ideal gas.If 190 J of heat is added,what is the change in internal energy of the system?​
A)zero
B)140 J
C)165 J
D)190 J
E)​240 J

Quizplus · Accepted Answer

Since the container is closed, no work is done, and therefore ΔU = Q, which means ΔU = 190 J.

A Closed 2