Question
Question: If 150 J of heat is added to a system and work done by the system is 110 J, then change in internal ...
If 150 J of heat is added to a system and work done by the system is 110 J, then change in internal energy will be –
A
40 J
B
110 J
C
150 J
D
260 J
Answer
40 J
Explanation
Solution
DU = DQ – DW = 150 – 110 = 40 J
Q DQ = 150 J
DW = 110 J