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How can one determine if a reaction is endothermic or exothermic without relying on enthalpy values?
One way to determine if a reaction is endothermic or exothermic without using enthalpy values is by observing the temperature change during the reaction. If the temperature increases, the reaction is likely exothermic, releasing heat. If the temperature decreases, the reaction is likely endothermic, absorbing heat.
What else can I help you with?
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.
Is polymerization endothermic or exothermic?
Exothermic, because the reaction enthalpy must be negative. With polymerization, the entropy decreases. The Gibbs energy has to be negative. Thus negative reaction enthalpy. Gibbs energy = reaction enthalpy - temperature*entropy
Is a reaction that gets hot exothermic or endothermic?
A reaction that gets hot is exothermic because it releases heat to the surroundings. This means that the products have less energy than the reactants, resulting in a negative change in enthalpy.
What does the enthalpy of reaction measure?
The amount of energy that is used or released as heat in a reaction.
Heat given off or absorbed in a reaction is called?
Enthalpy
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.
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 is process that involves absorption of heat?
endothermic reaction a positive enthalpy.
How can you tell whether a reaction is endothermic or exothermic?
You can determine if a reaction is endothermic or exothermic by observing the temperature change of the surroundings. In an exothermic reaction, heat is released, causing the temperature of the surroundings to rise, while in an endothermic reaction, heat is absorbed, leading to a decrease in the temperature of the surroundings. Additionally, you can analyze the enthalpy change (ΔH); a negative ΔH indicates an exothermic reaction, while a positive ΔH indicates an endothermic reaction.
Is polymerization endothermic or exothermic?
Exothermic, because the reaction enthalpy must be negative. With polymerization, the entropy decreases. The Gibbs energy has to be negative. Thus negative reaction enthalpy. Gibbs energy = reaction enthalpy - temperature*entropy
How do you know if an enthalpy change diagram is endothermic or exothermic?
If you plot the reaction coordinate (what I think you mean by "enthalpy change diagram"), the reaction will be exothermic if the products are lower on the graph than the reactants. If they are higher than it is endothermic. For instance, if you go to the linked Wikipedia page (link to the left of this answer), the graph shown is of an exothermic reaction.
Is a reaction that gets hot exothermic or endothermic?
A reaction that gets hot is exothermic because it releases heat to the surroundings. This means that the products have less energy than the reactants, resulting in a negative change in enthalpy.
What does the enthalpy of reaction measure?
The amount of energy that is used or released as heat in a reaction.
Can one of this symbol h between endotheic and exothemic?
The symbol ( h ) typically represents enthalpy in thermodynamics. In the context of endothermic and exothermic reactions, it can be associated with changes in enthalpy. An endothermic reaction absorbs heat, resulting in a positive change in enthalpy (( \Delta h > 0 )), while an exothermic reaction releases heat, leading to a negative change in enthalpy (( \Delta h < 0 )). Therefore, while ( h ) itself is not inherently endothermic or exothermic, its change (( \Delta h )) indicates the nature of the reaction.
Heat given off or absorbed in a reaction is called?
Enthalpy
Are titrations endothermic or exothermic?
In thermometric titration the reaction enthalpy is used to follow the chemical reaction. I guess it dépends on the titration reaction it can be exothermic or endothermic. ΔHr (molar heat of reaction) negative (indicating an exothermic reaction) or positive (indicating an endothermic reaction
How can you determine whether an equation is endothermic or exothermic?
To determine if an equation is endothermic or exothermic, you can look at the overall energy change. If the reaction absorbs energy from the surroundings, it is endothermic. If the reaction releases energy into the surroundings, it is exothermic. This can be determined by comparing the energy of the reactants to the energy of the products.
