2.0 moles of ideal monatomic gas are heated slowly from 25 to 55 in a rigid container. Calculate the change in entropy of the gas.

a. Sketch the situation, defining all your variables.

b. What physics equation(s) will you utilize in order to solve this problem? For each equation you list, give a justification for why it applies to this situation.

c. Apply your equation(s) to solve the problem as an algebraic expression(s).

d. Calculate your numerical answer(s). Show the units of your answer(s), and how you got them