Question

A gas is contained in a vertical, frictionless piston–cylinder device. The piston has a mass of 4 kg and a cross-sectional area of 35 cm². A compressed spring above the piston exerts a force of 60 N on the piston. If the atmospheric pressure is 95 kPa, determine the pressure inside the cylinder. 60 N Patm = 95 kPa mp = 4 kg A = 35 cm²

          A gas is contained in a vertical, frictionless piston–cylinder device. The piston has a mass of 4 kg and a cross-sectional area of 35 cm². A compressed spring above the piston exerts a force of 60 N on the piston. If the atmospheric pressure is 95 kPa, determine the pressure inside the cylinder.
60 N
Patm = 95 kPa
mp = 4 kg
A = 35 cm²

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A gas is contained in a vertical, frictionless piston–cylinder device. The piston has a mass of 4 kg and a cross-sectional area of 35 cm². A compressed spring above the piston exerts a force of 60 N on the piston. If the atmospheric pressure is 95 kPa, determine the pressure inside the cylinder.
60 N
Patm = 95 kPa
mp = 4 kg
A = 35 cm²

Added by Mary T.

Chemistry: Structure and Properties

Nivaldo Tro 2nd Edition

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Solved by Expert Sahir S

02/20/2022

Step 1

So, A = 35 cm^2 = 35 x 10^-4 m^2. The force exerted by the piston on the gas is the sum of the force due to the weight of the piston, the force due to the spring, and the force due to the atmospheric pressure. The force due to the weight of the piston (Fp) can Show more…

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A gas is contained in a vertical, frictionless piston–cylinder device. The piston has a mass of 4 kg and a cross-sectional area of 35 cm². A compressed spring above the piston exerts a force of 60 N on the piston. If the atmospheric pressure is 95 kPa, determine the pressure inside the cylinder. 60 N Patm = 95 kPa mp = 4 kg A = 35 cm²

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