A gas is confined in a 0.47-m-diameter cylinder by a piston, on which rests a weight. The mass of the piston and weight together is 150 kg. The local acceleration off gravity is 9.813 m s-2, and atmospheric pressure is 101.57 kPa. to What is the force in newtons exerted on the gas by the atmosphere, the piston, and the weight, assuming no friction between the piston and cylinder? (b) What is the pressure of the gas in kPa? (c) If the gas in the eylinder is heated, it expands, pushing the piston and weight upward. If the piston and weight are raised 0.83 m, what is the work done by the gas in kJ? What is the change in potential energy of the piston and wejght?

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A gas is confined in a 0.47-m-diameter cylinder by a piston, on which rests a weight.
The mass of the piston and weight together is 150 kg. The local acceleration off gravity
is 9.813 m s-2, and atmospheric pressure is 101.57 kPa.
to What is the force in newtons exerted on the gas by the atmosphere, the piston, and
the weight, assuming no friction between the piston and cylinder?
(b) What is the pressure of the gas in kPa?
(c) If the gas in the eylinder is heated, it expands, pushing the piston and weight
upward. If the piston and weight are raised 0.83 m, what is the work done by the
gas in kJ? What is the change in potential energy of the piston and wejght?
Transcribed Image Text:A gas is confined in a 0.47-m-diameter cylinder by a piston, on which rests a weight. The mass of the piston and weight together is 150 kg. The local acceleration off gravity is 9.813 m s-2, and atmospheric pressure is 101.57 kPa. to What is the force in newtons exerted on the gas by the atmosphere, the piston, and the weight, assuming no friction between the piston and cylinder? (b) What is the pressure of the gas in kPa? (c) If the gas in the eylinder is heated, it expands, pushing the piston and weight upward. If the piston and weight are raised 0.83 m, what is the work done by the gas in kJ? What is the change in potential energy of the piston and wejght?
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