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How is enthalpy related to the spontaneously of a reaction?
H < 0 contributes to spontaneity.
How does the presence of a catalyst affect the enthalpy change of a reaction?
The presence of a catalyst affect the enthalpy change of a reaction is that catalysts do not alter the enthalpy change of a reaction. Catalysts only change the activation energy which starts the reaction.
How will the temperature affect the spontaneity of a reaction with positive h and s?
A high temperature will make it spontaneous.
What is a correct description of the enthalpy of reaction?
The enthalpy of a chemical reaction is the change of heat during this reaction.
What is a correct description of enthalpy of a reaction?
The enthalpy of a chemical reaction is the change of heat during this reaction.
How is enthalpy related to the spontaneously of a reaction?
H < 0 contributes to spontaneity.
How is enthalpy related to spontaneity of a reaction?
S > 0 contributes to spontaneity.
How will temperature affect the spontaneity of reaction with positive H and S?
A high temperature will make it spontaneous.
How does the presence of a catalyst affect the enthalpy change of a reaction?
The presence of a catalyst affect the enthalpy change of a reaction is that catalysts do not alter the enthalpy change of a reaction. Catalysts only change the activation energy which starts the reaction.
How does temperature affect spontaneity?
If H and S have the same sign, the temperature will determine spontaneity.
How does temperature affect the spontaneity of a reaction?
Increasing the temperature makes a reaction spontaneous in some situations.
How will temperature affect the spontaneity of a reaction with positive triangle H and triangle S?
For a reaction with a positive enthalpy change (ΔH > 0) and a positive entropy change (ΔS > 0), the spontaneity is influenced by temperature through the Gibbs free energy equation: ΔG = ΔH - TΔS. As temperature increases, the TΔS term becomes larger, which can make ΔG more negative, thereby favoring spontaneity. Therefore, at higher temperatures, the reaction is more likely to be spontaneous, while at lower temperatures, it may not be spontaneous.
How will the temperature affect the spontaneity of a reaction with positive h and s?
A high temperature will make it spontaneous.
How do you calculate the enthalpy change of a reaction?
To calculate the enthalpy change of a reaction, subtract the total enthalpy of the reactants from the total enthalpy of the products. This difference represents the enthalpy change of the reaction.
What is the significance of the Gibbs energy equation in determining the spontaneity of a chemical reaction?
The Gibbs energy equation helps determine if a chemical reaction will occur spontaneously by considering the change in enthalpy and entropy of the system. If the Gibbs energy is negative, the reaction is spontaneous.
How does the enthalpy temperature dependence affect the overall energy changes in a chemical reaction?
The enthalpy temperature dependence influences the overall energy changes in a chemical reaction by affecting the heat absorbed or released during the reaction. As temperature increases, the enthalpy change also changes, which can impact the reaction's energy balance.
What is the description of the enthalpy of a reaction?
The enthalpy of a chemical reaction is the change of heat during this reaction.
