7.5 Entropy

Question 1

Entropy (s)

Answer 1

a measure of the degree to which energy has been spread throughout a system or between a system and its surroundings

Question 2

entropy is a _____ (state/process) function

Answer 2

state function

Question 3

Second law of thermodynamics

Answer 3

Energy spontaneously disperses from being localized to becoming spread out if it is not hindered from doing so

Question 4

change in entropy equation

Answer 4

ΔS = change in entropy

qrev = the heat gained or lost in a reversible process

T temperature in kelvin

Question 5

Entropy units

Answer 5

J/(mol*K)

Question 6

Standard entropy change for a reaction

Answer 6