Fig. 4.1 illustrates gas enclosed in a cylinder and sealed by a piston. Diagram labels: gas, cylinder, piston.
(a(i))[3]
Calculate the gas volume when the piston has reached its new position.
(a(ii))[2]
Calculate the force exerted on the piston by the gas when the piston is held in its new position.
(a(iii))[2]
Calculate the mechanical work done by the piston. State the equation you use.
(b)[1]
Explain, in terms of particles, why gases can be compressed but liquids cannot.
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