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Q: What is the value of ΔG in a spontaneous reaction less than 0 greater than 0 equal to 0 equal to 1?
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What is the value of G for a reaction that is spontaneous?

The value isn't significant, but ∆G must be negative for a spontaneous reaction.


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.


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

The reaction is spontaneous only at high temperatures.


How can a reaction with negative value of Delta G be described?

As spontaneous


How do you know if a reaction is spontanious?

If delta G value is minus,it is spontaneous


What is a negative Gibbs free-energy value an indication of?

Spontaneous reaction


What value should the heat of the reaction have in a spontaneous reaction?

It can be + or - depending on the value of the entropy (∆S). Recall, that ∆G = ∆H - T∆S and for a spontaneous reaction, ∆G must be negative, so you can see how this will depend on the values and signs of both enthalpy and entropy.


What does a negative value for the standard potential indicate?

the negative value for a standard potential indicates that the reaction is not spontaneous.


What is true about the numerical value of the Gibbs free-energy change for a spontaneous reaction?

B


What is the difference between a reaction that happens spontaneously and a reaction that doesn't?

The difference can be clarified by entropy (the second rule of thermodynamics).The reaction is more spontaneous with higher entropy, for the reactions that occur spontaneously the entropy is higher than for the ones that do not.


Is greater 11.320 or 11.32?

Neither are greater, they are of equal value.


Which is greater 0.33 or 0.330?

Neither is greater. They are equal. Zeros on the end of a decimal don't affect the value.