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


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