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The reaction is spontaneous only at high temperatures.

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Q: A chemical reaction has a positive ΔH value and a positive ΔS value Under what conditions is the reaction spontaneous?
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Related questions

A chemical reaction has a positive H value and a positive S value Under what conditions is the reaction spontaneous?

the reaction is always spontaneous :) youre welcome =D i just took this on apex, the correct answer is the reaction is spontaneous only at high temperatures.


What redox conditions will produce a spontaneous reaction?

The sum of the voltages of the half-reactions is positive.


What does a positive cell voltage mean?

The reaction is spontaneous.


What can be said about a redox reaction that has a positive potential?

. The reaction will be spontaneous.


What does the term spontaneous mean in a chemical reaction?

This is a very fast reaction.


What is a chemical reaction that happens quickly?

Spontaneous combustion


What is a non spontaneous reaction?

a non spontaneous reaction is a reaction that doesnt occur naturally and it normally tends to favor the reactants of a chemical reaction. Another thing is that it doesnt really produce free energy


What makes chemical reaction spontaneous?

Stability of the products as compare to stability of reactants.


What happens in an endergonic reaction?

An endergonic reaction is a chemical reaction in which the standard change in free energy is positive.


Select all the conditions below that are most likely to result in a spontaneous chemical reaction or process?

-ΔH +ΔS T high -ΔH -ΔS T low


What conditions will a low temperature make a reaction spontaneous?

if H and S are both negative


What conditions will a low temperature male a reaction spontaneous?

If H and S are both negative