For an open unsteady state system, 5 J of heat was supplied and 10 J o – McqOptions

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1.	For an open unsteady state system, 5 J of heat was supplied and 10 J of work was done on the system, what is the value of change in enthalpy?
A.	5 J
B.	10 J
C.	15 J
D.	20 J
Answer» D. 20 J

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