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An endothermic reaction takes in heat from its surroundings. One example of a spontaneous endothermic reaction is an ice pack that doesn't have to be kept in the freezer. When the ice pack is struck with your palm the membrane is broken and the salt is dissolved in the water. The equation would be NH4NO3 plus H2O is equal to NH4 plus NH3.
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What factor might make an endothermic reaction spontaneous?
An endothermic reaction can be spontaneous if the increase in entropy (disorder) of the system is large enough to overcome the energy input required for the reaction to occur.
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.
Why endothermic reactions cannot be spontaneous reactions?
Endothermic reactions require an input of energy to proceed, which means they do not occur spontaneously. Spontaneous reactions release energy to their surroundings, unlike endothermic reactions that absorb energy from the surroundings. Therefore, endothermic reactions cannot be spontaneous as they need an external energy source to drive the reaction forward.
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.
Difference between endothermic and endergonic?
Endothermic refers to a reaction that absorbs heat from the surroundings, while endergonic refers to a reaction that requires an input of energy in order to proceed. Endothermic reactions specifically relate to heat transfer, while endergonic reactions encompass various forms of energy input beyond just heat.
What factor might make an endothermic reaction spontaneous?
An endothermic reaction can be spontaneous if the increase in entropy (disorder) of the system is large enough to overcome the energy input required for the reaction to occur.
How can an endothermic reaction be spontaneous at room temperature?
An endothermic reaction can be spontaneous at room temperature if the increase in entropy of the system is large enough to overcome the energy input required for the reaction. This can happen if the products of the reaction have higher entropy than the reactants. As a result, the overall change in free energy can be negative even though the reaction is endothermic.
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.
Why endothermic reactions cannot be spontaneous reactions?
Endothermic reactions require an input of energy to proceed, which means they do not occur spontaneously. Spontaneous reactions release energy to their surroundings, unlike endothermic reactions that absorb energy from the surroundings. Therefore, endothermic reactions cannot be spontaneous as they need an external energy source to drive the reaction forward.
What are a set of conditions would result in a reaction that is unambiguously non-spontaneous?
endothermic, increasing entropy
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.
Is tarnished silver an endothermic reaction?
No, tarnishing of silver is not an endothermic reaction. Tarnishing is a result of a chemical reaction with sulfur compounds in the air, which causes the silver to become dull and discolored. This reaction does not require an input of energy, making it a spontaneous process.
Difference between endothermic and endergonic?
Endothermic refers to a reaction that absorbs heat from the surroundings, while endergonic refers to a reaction that requires an input of energy in order to proceed. Endothermic reactions specifically relate to heat transfer, while endergonic reactions encompass various forms of energy input beyond just heat.
Are endothermic reactions always nonspontaneous?
No, many exothermic reactions need the heat of activation to start the reaction. Paper, for instance, does not spontaneously burst into flame... you need to raise its temperature to the kindling point for it to burn.
What is a non-spontaneous reaction that absorbs free energy from its surroundings?
A non-spontaneous reaction that absorbs free energy from its surroundings is an endergonic reaction. In an endergonic reaction, the products have more free energy than the reactants, requiring an input of energy to proceed. This energy input can come from the surrounding environment.
A reaction that absorbs energy is called?
Endothermic-take in Heat, as opposed to exothermic which gives off heat-like a fire or explosion.
What kind of reaction occurs when the entropy change of an endothermic reaction is negative?
The reaction is exothermic
