The first law of thermodynamics extends the principle of conservation of energy to include heat as well as mechanical energy. O The first law of thermodynamics extends the principle of conservation of momentum to include molecular collisions. The work done by a thermodynamic system depends only on the initial and final states of the system. The amount of heat added or removed from a thermodynamic system depends only on the initial and final states of the system. The amount of heat added or removed from a thermodynamic system depends on the path taken on a pV diagram. The work done by a thermodynamic system is equal to the area under the curve on a pV diagram.

The first law of thermodynamics extends the principle of conservation of energy to include heat as well as mechanical energy. O The first law of thermodynamics extends the principle of conservation of momentum to include molecular collisions. The work done by a thermodynamic system depends only on the initial and final states of the system. The amount of heat added or removed from a thermodynamic system depends only on the initial and final states of the system. The amount of heat added or removed from a thermodynamic system depends on the path taken on a pV diagram. The work done by a thermodynamic system is equal to the area under the curve on a pV diagram.

Principles of Physics: A Calculus-Based Text

5th Edition

ISBN:9781133104261

Author:Raymond A. Serway, John W. Jewett

Publisher:Raymond A. Serway, John W. Jewett

Chapter18: Heat Engines, Entropy, And The Second Law Of Thermodynamics

Section: Chapter Questions

Problem 6OQ

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(a) On a winter day, a certain house loses 5.00108J of heat to the outside (about 500,000 Btu). What is the total change in entropy due to this heat transfer alone, assuming an average indoor temperature of 21.0C and an average outdoor temperature of 5.00C ? (b) This large change in entropy implies a large amount of energy has become unavailable to do work. Where do we find more energy when such energy is lost to us?
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