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- Engineering
- Which of the following will reduce energy of the system?Option: 1 Q=10JOption: 2 <img alt="
- #Engineering
- #Telangana Engineering Agriculture and Medical Common Entrance Test
- #Chemistry
- #Chemical Thermodynamics
Which of the following will reduce energy of the system?
Option: 1
Q=10J
Option: 2
V=5J
Option: 3
W=+10J
Option: 4
W=-10J
Answers (1)
IUPAC Sign Convention -
Any type of energy (Heat, Work ) given to system is positive
Any type of energy take out from the system
- wherein
i.e. 10 J work done on the system
i.e. 10 J released by the system
W is -ve means work is being done by the system and hence it's energy will decrease.
Therefore, Option(4) is correct.
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