Chapter 5, matter and heat
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oxygen boils at -18c the Fahrenheit equivalent of this temperature is
-297F
a frictionless heat engine can be 100 percent efficient only if its exhaust temperature is
0k
the Celsius equivalent of temperature of 120F is
49F
the physics of refrigerator most closely resembles the physics of
a heat energy
the working substance used in most refrigerators is a
gas that is easy liquefy
a refrigerator gives off
more heat than is absorbs from its contents
the greater the entropy of a system of particles
the less the order of the system
the second law of thermodynamic does not lead to the conclusion that
the total amount of energy in the universe including res energy is constant
heat is absorbed by the refrigerate in a refrigerator when it
vaporizes
