Question R2 Q2 - MIT Science Bowl Invitational 2020

Which of the following statements is true of two systems A and B which are in thermal equilibrium with each other?

W) The root mean square speed of molecules in each system is the same

X) Energy transfer between the two systems is impossible

Y) If system C is in thermal equilibrium with system A, then it is also in thermal equilibrium with system B

Z) The temperatures of the two systems are different

Science Bowl Question