A gas can be taken from A to B via two different processes ACB and ADB. When path ACB is used 60 J of heat flows into the system and 30 J of work is done by the system. If path ADB is used word done by the system is 10 J. The heat flow into the system in path ADB is:
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a.
80J
b.
20J
c.
100J
d.
40J
a.
80J
b.
20J
c.
100J
d.
40J
Question ID - 50029 | SaraNextGen Top Answer A gas can be taken from A to B via two different processes ACB and ADB. When path ACB is used 60 J of heat flows into the system and 30 J of work is done by the system. If path ADB is used word done by the system is 10 J. The heat flow into the system in path ADB is:
a.
80J
b.
20J
c.
100J
d.
40J
A gas can be taken from A to B via two different processes ACB and ADB. When path ACB is used 60 J of heat flows into the system and 30 J of work is done by the system. If path ADB is used word done by the system is 10 J. The heat flow into the system in path ADB is:
|
a. |
80J |
b. |
20J |
|
c. |
100J |
d. |
40J |
1 Answer
127 votes
Answer Key / Explanation : (d) -
QACB=
WACB+
UACB
60J=30J+
UACB
UACB=30J
UADB=
UACB=30J
QACD=
WACB+
UADB
= 10J + 30J = 40J
127 votes
Answer Link
127