MEDIUMMCQ SINGLEJEE Mains ChemistryPhysical ChemistryThermodynamics and ThermochemistryFirst Law of Thermodynamics
According to the first law of thermodynamics, U q w . In special cases the statement can be expressed in different ways. Which of the following is not a correct expression?
A.At constant temperature: q
B.When no work is done:
C.In gaseous system:
D.When work is done by the system: U✓ Correct
Explanation
when work is done by the system, work done will be negative