Consider a gas in a container. The container is fitted with a metal top that can

Question

Consider a gas in a container. The container is fitted with a metal top that can slide up or down without friction. The weight of the container top is supported by the pressure of the gas in the container. The container is then placed on a burner such that heat is added to the gas. What type of process docs the gas undergo? Isobaric Isochoric Isothermal Adiabatic Consider a compressed gas in a container fitted with a piston. The container and gas is in thermal contact and equilibrium with a large metal surface at temperature T, that acts as a heat reservoir. The gas is then allowed to slowly expand and move the piston. What type of process docs the gas undergo? Isobaric Isochoric Isothermal Adiabatic

Explanation / Answer

1st part : answer- A) isobaric - An isobaric process is a thermodynamic process in which the pressure stays constant. since the gas supports a constant wieght, hence pressure is constant.

2nd part : answer- C) isothermal - An isothermal process is a change of a system, in which the temperature remains constant. since the temperature of the large metal surface remains almost constant.

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