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ISBN-10: 0306484013

ISBN-13: 9780306484018

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Let the piston be released. a) What is its final equilibrium position? b) How much heat will be transmitted to the bath in the process of equilibration? 29 Heat Extraction (MIT, Wisconsin-Madison) a) A body of mass M has a temperature-independent specific heat C. If the body is heated reversibly from a temperature to a temperature what is the change in its entropy? THERMODYNAMICS AND STATISTICAL PHYSICS 17 b) Two such bodies are initially at temperatures of 100 K and 400 K. A reversible engine is used to extract heat with the hotter body as a source and the cooler body as a sink.

The latent heat of fusion (ice/water) and the latent heat of vaporization (water/vapor) g and original volume b) A piece of heated metal alloy of mass is placed inside the calorimeter together with the ice obtained as a result of the experiment in (a). The density of metal at K is The thermal capacity is and the coefficient oflinear expansion How much ice will have melted when equilibrium is reached? 12 Hydrogen Rocket (Moscow Phys-Tech) The reaction chamber of a rocket engine is supplied with a mass flow rate m of hydrogen and sufficient oxygen to allow complete burning of the fuel.

Estimate the air pressure in the channel near the surface of the Moon. The radius of the Moon The acceleration due to gravity on the surface of the Moon where is the acceleration due to gravity on the surface of the Earth. 8). 9 Take the outside Tea in Thermos (Moscow Phys-Tech) One liter of tea at 90° C is poured into a vacuum-insulated container (thermos). The surface area of the thermos walls The volume between the walls is pumped down to atm pressure (at room temperature). The emissivity of the walls and the thermal capacity of water Disregarding the heat leakage through the stopper, estimate the a) Net power transfer b) Time for the tea to cool from 90°C to 70°C.

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A Guide to Physics Problems - Thermodynamics, Statistical Physics and Quantum Me


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