Kinetic energy is a microscopic concept. The equivalent cacroscopic concept is:

Question

Kinetic energy is a microscopic concept. The equivalent cacroscopic concept is:
a. mass b. entropy c. temp d. heat

the second law of thermodynamics has a number of equivalent definitions, all of which give an indication of which way nature flows . which of these statements is not generally derivable from the concept that that a particular engine is themost efficient engine possible and that it is reversible?
a. heat will not flow spontaneously from a cold reservoir to hot one
b. an engine or combination of engines alone cannot make theat flow from a cold reservoir to a hot one.
c. heat will flow spontaneoulsy from a cold reseroir to hot one
d. it is not possible to convert 100 % of heat into work.

Explanation / Answer

(a)   Entropy

(b)   (a)

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