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What does the entropy of a reaction describe?
The amount of randomness in the system
What can be said about an exothermic reaction with a negative entropy change?
An exothermic reaction with a negative entropy change indicates that the reaction releases heat to its surroundings and results in a decrease in disorder or randomness of the system.
What happens to the entropy in the reaction I2 s I2 g?
The entropy of the system increases during the sublimation of I2(s) to I2(g) because the randomness and disorder of the gas phase is higher compared to the solid phase. Therefore, the entropy of the reaction is positive.
What happens to the entropy in the reaction l2(s) l2(g)?
The entropy increases, as going from a solid to a gas increases disorder or randomness in the system. This is because gases have more freedom of movement and energy compared to solids.
What happens when a reaction that is endothermic and results in an overall increase in entropy occurs?
When an endothermic reaction occurs and there is an overall increase in entropy, it means that energy is absorbed from the surroundings and the disorder or randomness of the system increases.
What does entropy of a reaction describe?
The amount of randomness in the system
What does the entropy of a reaction describe?
The amount of randomness in the system
What can be said about an exothermic reaction with a negative entropy change?
An exothermic reaction with a negative entropy change indicates that the reaction releases heat to its surroundings and results in a decrease in disorder or randomness of the system.
What happens to the entropy in the reaction I2 s I2 g?
The entropy of the system increases during the sublimation of I2(s) to I2(g) because the randomness and disorder of the gas phase is higher compared to the solid phase. Therefore, the entropy of the reaction is positive.
Does a combustion have a negative entropy or positive entropy?
A combustion reaction typically results in an increase in entropy due to the increase in the number of gaseous molecules formed during the reaction, leading to more disorder in the system. Therefore, combustion generally has a positive entropy change.
The favorability or spontaneity of a reaction increases when during the course of a reaction?
The favorability or spontaneity of a reaction increases when the overall entropy of the system increases, or when the free energy of the system decreases. This can happen when reactants are in a more disordered state, when the system achieves greater stability, or when the reaction releases heat.
Process where entropy remains the same?
A process where entropy remains the same is an isentropic process. In an isentropic process, there is no net change in the entropy of the system. This typically occurs when there is no heat transfer and the system is adiabatic and reversible.
What happens to the entropy in the reaction l2(s) l2(g)?
The entropy increases, as going from a solid to a gas increases disorder or randomness in the system. This is because gases have more freedom of movement and energy compared to solids.
What happens when a reaction that is endothermic and results in an overall increase in entropy occurs?
When an endothermic reaction occurs and there is an overall increase in entropy, it means that energy is absorbed from the surroundings and the disorder or randomness of the system increases.
Which accounts for the increase in the rate of reaction when a catalyst is added to a reaction system. Does the entropy of the reaction increase?
When two molecules react with each other they must form a transition state. The higher the energy of the transition state the less likely it is for the two molecules to react with each other. Catalysts lower the energy of the transition state. This makes it more likely for molecules to react with one another, which speeds up the overall reaction. Entropy is unrelated. Reactions that break apart molecules increase entropy. Reactions that combine molecules together diminish entropy. Both types of reactions can be sped up by catalysts.
Is the entropy change increased or decreased in 2 Na 2 H2O -- 2 NaOH H2?
The entropy change is increased in the given reaction. This is because there are more moles of gaseous products compared to the reactants, which leads to an increase in disorder or entropy in the system.
What is S in the equation delta G equals delta H minus TdeltaS?
The change in enthalpy between products and reactants in a reaction
