Chemical Engineering > GATE 2025 > Thermodynamic Processes
An ideal monoatomic gas is contained inside a cylinder-piston assembly connected to a Hookean spring as shown in the figure. The piston is frictionless and massless. The spring constant is 10 kN/m. At the initial equilibrium state (shown in the figure), the spring is unstretched. The gas is expanded reversibly by adding 362.5 J of heat. At the final equilibrium state, the piston presses against the stoppers. Neglecting the heat loss to the surroundings, the final equilibrium temperature of the gas is ______ K (rounded off to the nearest integer).
GIVEN: For a monoatomic ideal gas, Cv = (3/2)R where R=8.314 J/(mol K)
Correct : 375
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