A system receives 525 J of heat and delivers 525 J of work to its surroundings. What is the change in internal energy of the system? Physics Thermodynamics Heat and Work 1 Answer Junaid Mirza May 25, 2018 #"0 J"# Explanation: On receiving #"525 J"# of heat the internal energy of the system is increased by #"525 J"# When the system now does #"525 J"# of work its internal energy is decreased by #"525 J"# ∴ There is no overall change in internal energy. Answer link Related questions How does heat energy affect the movement of water molecules? How does heat affect the movement of molecules? What is thermodynamics equilibrium? How can heat cause motion in a liquid? Is heat transferred in our atmosphere by conduction? How is heat energy transferred? How are energy heat and work related? How does heat affect resistance? How does heat affect pressure? In the morning, a concrete statue of specific heat = 600 j/(kg k) has a temperature of 15°c.... See all questions in Heat and Work Impact of this question 6921 views around the world You can reuse this answer Creative Commons License