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Yes, a positive enthalpy change is indicative of an endothermic reaction.

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5mo ago

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What is the sign of the enthalpy change for an endothermic reaction?

Endothermic reaction: In an endothermic reaction, the products are higher in energy than the reactants. Therefore, the change in enthalpy is positive, and heat is absorbed from the surroundings by the reaction therefore enthalpy change show positive sign in a endothermic reaction..


Is a positive enthalpy endothermic?

Yes, a positive enthalpy change indicates that a reaction is endothermic, meaning it absorbs heat from its surroundings.


What is process that involves absorption of heat?

endothermic reaction a positive enthalpy.


What is the sign of ΔT in an endothermic reaction?

ΔH is the enthalpy of the reaction and will be positive in an endothermic reaction and negative in an exothermic reaction.ΔT designates a change in temperature. T2-T1 = ΔTOften the change in temperature will be negative for an endothermic reaction.


What does it mean if the change in enthalpy value for a chemical reaction is positive?

A positive change in enthalpy for a chemical reaction indicates that the reaction is endothermic, meaning it absorbs heat from its surroundings. This typically results in the surroundings feeling cooler.


What is true of the enthalpy reaction?

The enthalpy of a reaction is a measure of the heat energy exchanged with the surroundings at constant pressure. A negative enthalpy change indicates an exothermic reaction, where heat is released. A positive enthalpy change indicates an endothermic reaction, where heat is absorbed.


Is vaporisation an exothermic or endothermic process?

Any reaction categories into exothermic and endothermic based upon change in enthalpy of reaction. If difference in enthalpy of product and reactant comes positive value then it is termed as endothermic and if it is negative value then exothermic reaction. Usually, vaporisation is considered as exothermic due to release in energy.


What happens when delta h is positive?

When ΔH (the change in enthalpy) is positive, it means that the reaction is endothermic, absorbing heat from its surroundings. This indicates that energy is being consumed rather than released during the chemical reaction.


Which is true of the enthalpy of a reaction?

Its value does not depend on which reactions are added.


What does positive enthalpy mean?

Positive enthalpy means that energy is absorbed from the surroundings during a process. This usually indicates an endothermic reaction where heat is taken in. For example, when ice melts into water, it absorbs heat from its surroundings, resulting in a positive enthalpy change.


Is the reaction endothermic or exothermic, and what is the enthalpy of the reaction?

The reaction is exothermic, meaning it releases heat. The enthalpy of the reaction is negative, indicating that it is exothermic.


What is the enthalpy of reaction apex's?

The enthalpy of reaction, denoted as ΔH, is the heat absorbed or released during a chemical reaction. It is specific to each reaction and can be positive (endothermic) or negative (exothermic). The value of enthalpy of reaction for a specific reaction can be calculated experimentally or using thermodynamic data.