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The h reaction is the difference between Hf products and Hf reactants - apex
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How is enthalpy related to the spontaneously of a reaction?
H < 0 contributes to spontaneity.
How is the change of H fusion related to the change of h of a reaction?
Change of H of fusion (∆Hfusion) is the enthalpy change going from solid to liquid or liquid to solid. That is, it is only for the phase change, and it is not accompanied by a change in temperature. It can be related to the ∆H of reaction but one would have to know the reaction to be more specific.
How is delta hf related to the delta h of the reaction?
The standard enthalpy change of a reaction (delta H) is related to the standard enthalpy of formation (delta Hf) of the products and reactants involved in the reaction by the equation: delta H = Σ(Products delta Hf) - Σ(Reactants delta Hf). This equation relates the enthalpy change of a reaction to the enthalpies of formation of the substances involved in the reaction.
How is the Hf related to H reaction?
The enthalpy of formation (Hf) refers to the change in enthalpy when one mole of a compound is formed from its elements in their standard states. The H reaction, or the enthalpy change of a specific reaction, can be calculated using the enthalpies of formation of the reactants and products involved in that reaction. According to Hess's Law, the total enthalpy change for a reaction is the sum of the enthalpy changes for individual steps, allowing for the relationship between Hf and H reaction to be quantitatively expressed in thermodynamic calculations.
What does h tell about a reaction?
The reaction is exothermic.
In the reaction B plus KL plus H if an additional B is added the result will be what?
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What does the delta h of a reaction represent?
Either the change (which the delta refers to) of the height (which the h represents).
What does the H of a reaction represent?
It represents the heat involved in a reaction.
When is q equal to delta h in a chemical reaction?
Q is equal to delta H in a chemical reaction when the reaction is at constant pressure and temperature.
What does H of a reaction represent?
It represents the heat involved in a reaction.
When does q equal delta h in a chemical reaction?
Q equals delta H in a chemical reaction when the reaction is at constant pressure and the temperature remains constant.
What does a negative delta H for a reaction suggest?
A negative delta H for a reaction suggests that the reaction is exothermic, meaning it releases heat to its surroundings. This implies that the products of the reaction have lower energy than the reactants.
