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  3. part a: how much work (in j) is required to expand

Part A: How much work (in J) is required to expand the volume of a pump from...

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Question

Chemistry

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.

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