Part A:
How much work (in J) is required to expand the volume of a pumpfrom 0.0 L to 2.8 L against an external pressure of 1.2 atm ?
Express your answer using two significant figures.
W =
Part B:
What is the mass of the silver block?
Express your answer to two significant figures and include theappropriate units.
A silver block, initially at 55.6 ∘C, is submerged into 100.0 gof water at 24.2 ∘C, in an insulated container. The finaltemperature of the mixture upon reaching thermal equilibrium is26.9 ∘C.
