A system is given 300 calories of heat and it does 600 joules of work. How much does the internal energy of the system change in this process (j=4.18joules/cal)
A. `654`joule
B. `156.5`joule
C. `-300`joule
D. `-528.2`joule
A. `654`joule
B. `156.5`joule
C. `-300`joule
D. `-528.2`joule
Correct Answer – A