A system receives 100 Joule heat and does work of 50 Joule. Calculate the change in the internal energy?

A system receives 100 Joule heat and does work of 50 Joule. Calculate

1.	A system receives 100 Joule heat and does work of 50 Joule. Calculate the change in the internal energy?
Answer» `-150` JOULE 50 Joule `-50` Joule 150 Joule Answer :B