Spontaneous Reaction Video Lessons

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Problem: What can be said about an Endothermic reaction with a negative entropy change?The reaction isa. spontaneous at all temperatures.b. spontaneous at high temperatures.c. spontaneous at low temperatures.d. spontaneous in the reverse direction at all temperatures.e. nonspontaneous in either direction at all temperatures.

FREE Expert Solution

We’re being asked to identify the spontaneity of the reaction given that it is an endothermic reaction with a negative entropy change.


Recall that we can determine the spontaneity of the reaction based on the signs of ΔH and ΔS

We can use the Punnett square shown below:

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Problem Details
What can be said about an Endothermic reaction with a negative entropy change?

The reaction is
a. spontaneous at all temperatures.
b. spontaneous at high temperatures.
c. spontaneous at low temperatures.
d. spontaneous in the reverse direction at all temperatures.
e. nonspontaneous in either direction at all temperatures.

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