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According to the Gibbs free energy equation G H - T S when could a high temperature make a reaction that was nonspontaneous at low temperature spontaneous?
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∙ 7y ago
when h and s are both positive
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Use the Gibbs free energy equation shown below to determine the temperature range for which the decomposition of KCIO4 is spontaneous?
97.6 - 98
According to the Gibbs free energy equation G H - TS when is a reaction always spontaneous?
when H is negative and S is positive
Will affect the rate of the constant according to the Arrhenius equation changing which factors?
Temperature and activation energy
According to the Arrhenius equation changing which factors will affect the rate constant?
Temperature and activation energy - apex
Is spontaneous reaction exo or endo?
Reactions are described by this equation: GD = HD - TDS where D = delta for change in values. GD < 0 spontaneous HD < 0 exothermic ; HD > 0 endothermic The first equation is Gibbs free energy. When G is negative, the reaction is spontaneous. In contrast, a positive number G is non spontaneous. The interesting thing is that spontaneous reactions can be EITHER exothermic and endothermic. Lets look at this: lets assume HD has a value of 100. This means TDS would have to be bigger than 100 in order to make GD a negative number. An endothermic reaction which has a positive H can still be exothermic. Here's another way to pose your question: Is an exothermic reaction spontaneous? Always. Is an endothermic reaction spontaneous? This can be either.
According to the Gibbs free energy equation what is the temperature range for which the formation of liquid bromine is spontaneous?
The reaction is spontaneous below 743 K.
On what conditions does a spontaneous reaction become spontaneous?
For some non-spontaneous reactions, you can change the temperature. For other non-spontaneous reactions, there is nothing you can do to make it spontaneous. Nature favors reactions that increase a system's entropy (disorder) and nature favors reactions that are exothermic (they release enthalpy). Any reaction that does both of these things is spontaneous at all temperatures. Any reaction that does neither of these things is never spontaneous. As far as this question is concerned, the interesting reactions are endothermic reactions that increase entropy and exothermic reactions that decrease entropy. Whether these reactions are spontaneous depends on the temperature. The first variety (endothermic, increase entropy) will be spontaneous at high temperatures; the second (exothermic, decrease entropy) will be spontaneous at low temperatures. To find the temperature at which a reaction becomes spontaneous, one may apply the Gibbs equation: DG = DH - TDS where capital Ds stand for the Greek capital delta.
Using the Gibbs free energy equation what is the temperature range for which the oxidation of lead is spontaneous?
The reaction is spontaneous below 554.8/0.1975 K.
Use the gibbs free energy equation shown below to determine the temperature for which the decomposition of KClO4 is spontaneous?
The reaction is spontaneous above 371 K.
Using the Gibbs free energy equation what is the temperature in degrees celsius above which decompostion of KCIO4 is spontaneous?
-51 - -50.5
Use the Gibbs free energy equation shown below to determine the temperature range for which the decomposition of KCIO4 is spontaneous?
97.6 - 98
Which equation represents a spontaneous nuclear decay?
All nuclear decay is spontaneous.
According to the Gibbs free energy equation G H - TS when is a reaction always spontaneous?
when H is negative and S is positive
Will affect the rate of the constant according to the Arrhenius equation changing which factors?
Temperature and activation energy
According to the Arrhenius equation changing which factors will affect the rate constant?
Temperature and activation energy - apex
Is this spontaneous equation Mg plus 2HCl equals MgCl2 plus H2?
Yes, it is correct.
Is a symbol which stands for the value equal to the entirely enthalpy minus the temperature times enthropy . It can be used to determine if a reaction will take place?
The change in Gibbs Free Energy (∆Gº) predicts if a reaction is spontaneous or not. The equation for this is ∆G = ∆H - T∆S where ∆H is the change in enthalpy, T is temperature in Kelvin, and ∆S in change in entropy.
