Consider two closed systems A and B. System A contains 200 kJ of thermal energy at 20 °C whereas system B contains 200 kJ of thermal energy at 50 oC Now the systems are brought into contact with each...

Consider two closed systems A and B. System A contains 200 kJ of thermal energy at 20 °C whereas system B contains 200 kJ of thermal energy at 50 oC Now the systems are brought into contact with each other. Determine the direction of heat transfer between the two systems. what is the answer?

a. B->A

b. A->B

c. the system is equilibrium