15 J of work is done by a steady state system, what is the heat supplied to the system?
A. – 15 J
B. 15 J
C. 10 J
D. – 10 J
I have been asked this question during an interview.
The origin of the question is Energy Balances for Closed, Steady-State Systems in section Introduction to Energy Balances for Processes without Reaction and Calculation of Enthalpy Changes of Basic Chemical Engineering
The correct option is B. 15 J
Easiest explanation: 0 = – 15 + Q, => Q = 15 J.