What is Entropy ?

Quiz
•
Chemistry
•
11th Grade
•
Medium
Ramu Mallarapu
Used 4+ times
FREE Resource
16 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
A thermodynamic (energy) function that describes the degree of randomness or probability
Enthalpy
Entropy
Gibbs Free Energy
Spontaneity
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
As a state function, entropy change depends
A) only on the initial and final states
B) not on how the change occurs
C) Both Option A & B
D) None
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Predict the entropy change and its spontaniety
ΔS = +ve and non spontaneous
ΔS = -ve and spontaneous
ΔS = -ve and non spontaneous
ΔS = +ve and spontaneous
4.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
5.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Entropy increases from solid, liquid to gas. Why?
Molecular disorder increases
Molecules increase in number from solid to gas
Molecules are heavier in solid
Molecules are more reactive
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
At what temperature would a given reaction become spontaneous if ΔH =+119kJ and ΔS=+263J/K.mol
452 K
-2210 K
382 K
-363 K
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Entropy is a measure of
accuracy
precision
the disorder of a system
the attraction of a nucleus for an electron
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