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When you take the reverse reaction of a spontaneous process this is called nonspontaneous process true or false?
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What kind of reaction occurs when the entropy change of an endothermic reaction is negative?
The reaction is exothermic
Why is saponification reaction is considered to be the reverse of an esterification reaction?
saponification is considered to be the reverse process of an esterification reaction due to the fact that esterification is combining an alcohol and a carboxylic acid but a saponification is breaking apart the ester by adding an NaCl molecule (soap) to the chain of carbons.
Catalyst do what to a reaction rate?
Catalysts affect reaction rates by providing an alternate route of reaction with lower activation energy. Therefore, they speed up the process they are catalyzing in both the forward and reverse directions.
What substance is needed to reverse a biochemical reaction?
Redox is what is needed to reverse a biochemical reaction. The redox is used in science.
How are reaction rate and equilibrium connected?
At equilibrium, the reaction rate of the forward reaction and the reverse reaction are equal to one another. This means that the products of the forward reaction are being made at the same speed as the products of the reverse reaction.
The precipitation of potassium chloride is nonspontaneous and exothermic at room temperature what must be true regarding this process?
The reverse reaction is endothermic and spontaneous.
The synthesis of carbon disulfide is spontaneous and exothermic at room temperature what must be true regarding this reaction?
The reverse reaction is endothermic and nonspontaneous.
The synthesis of decomposition of nitrogen dioxide is endothermic and nonspontaneous at room temperature what must be true regarding this reaction?
The reverse reaction is exothermic and spontaneous.
What kind of reaction occurs when the entropy change of an endothermic reaction is negative?
The reaction is exothermic
Is Entrophy change in a system that undergoes a spontaneous process positive negative or zero?
Negative entropy is a process or chemical reaction proceeds spontaneously in the forward direction.Positive entropy is a process proceeds spontaneously in reverse.
When ice melts you can tell it is not a a chemical reaction because?
The process will reverse if you lower the temperature again.
How If a reaction occurs at 293 K that has a change in enthalpy of plus 125 kJ and a change in entropy of plus 35 J K then is the reaction spontaneous If so why If not why not?
A process will be spontaneous when the change in Gibbs free energy is negative.The change in Gibbs free energy can be calculated from the equation:G2 - G1 = H2 - H1 - T(S2 - S1)whereG is Gibbs free energyH is EnthalpyT is absolute temperature (when T is given in Kelvin or Rankine it is an absolute temperature)S is EntropyIn this caseH2 - H1 = 125 kJT = 293 KS2 - S1 = 35 J/K = 0.035 kJ/Kso doing the math you getG2 - G1 = 125 - 293(0.35) = 22.45 > 0 so the process is not spontaneous in the direction where enthalpy change and entropy change are being measured. The reverse process would be spontaneous.
Why is saponification reaction is considered to be the reverse of an esterification reaction?
saponification is considered to be the reverse process of an esterification reaction due to the fact that esterification is combining an alcohol and a carboxylic acid but a saponification is breaking apart the ester by adding an NaCl molecule (soap) to the chain of carbons.
Catalyst do what to a reaction rate?
Catalysts affect reaction rates by providing an alternate route of reaction with lower activation energy. Therefore, they speed up the process they are catalyzing in both the forward and reverse directions.
What describes a reaction that reaches equilibrium?
The product and reactants reach a final, unchanging level.
What balances charges that may build up as reduction and oxidation occur in a voltaic cell?
The Zinc metal is oxidized, while the Copper ion is reduced. The reverse reaction, the oxidation of Copper and the reduction of Zinc ion, is not spontaneous.
If you have a forward reaction and reverse reaction occurring together what type of reaction is that?
reversible reaction
