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Any substance when undergoes a phase change heat is either absorbed or released The reaction in which heat is absorbed known as an endothermic reaction and in which the heat energy is released, is known as exothermic reaction. DKK

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Exothermic reactions release more energy than endothermic reactions. In an exothermic reaction, energy is released to the surroundings in the form of heat, making the surroundings warmer. In contrast, endothermic reactions absorb energy from the surroundings, causing a decrease in temperature.

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Q: What has got more or less energy between endothermic and exothermic?
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Contrast endothermic and exothermic reactions?

Endothermic reactions absorb heat energy from their surroundings, causing a decrease in temperature, while exothermic reactions release heat energy into their surroundings, causing an increase in temperature. Endothermic reactions require an input of energy to proceed, whereas exothermic reactions release energy as a byproduct of the 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.


Endothermic and exothermic reaction?

An exothermic reaction releases energy, usually to the surroundings. There is a net loss of energy from the reactants. However, exothermic reactions also need a little energy to get started, but this is less than the eventual amount given out. An endothermic reaction takes in energy, also usually from the surroundings. There is a net gain of energy into the reactions. Again, a little energy is lost, but this is hardly anything compared to the amount taken in.


What is the difference of endothermic reaction from exothermic reaction?

Endothermic reactions absorb heat from their surroundings, resulting in a decrease in temperature, while exothermic reactions release heat to their surroundings, causing an increase in temperature. In endothermic reactions, the products have more energy than the reactants, whereas in exothermic reactions, the products have less energy than the reactants.


How do endothermic and exothermic differ?

Endothermic reactions absorb heat energy from their surroundings, resulting in a decrease in temperature, while exothermic reactions release heat energy into their surroundings, leading to an increase in temperature. Endothermic reactions require an input of energy to proceed, whereas exothermic reactions release energy without needing additional input.

Related questions

Contrast endothermic and exothermic reactions?

Endothermic reactions absorb heat energy from their surroundings, causing a decrease in temperature, while exothermic reactions release heat energy into their surroundings, causing an increase in temperature. Endothermic reactions require an input of energy to proceed, whereas exothermic reactions release energy as a byproduct of the 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.


Endothermic and exothermic reaction?

An exothermic reaction releases energy, usually to the surroundings. There is a net loss of energy from the reactants. However, exothermic reactions also need a little energy to get started, but this is less than the eventual amount given out. An endothermic reaction takes in energy, also usually from the surroundings. There is a net gain of energy into the reactions. Again, a little energy is lost, but this is hardly anything compared to the amount taken in.


What is the difference of endothermic reaction from exothermic reaction?

Endothermic reactions absorb heat from their surroundings, resulting in a decrease in temperature, while exothermic reactions release heat to their surroundings, causing an increase in temperature. In endothermic reactions, the products have more energy than the reactants, whereas in exothermic reactions, the products have less energy than the reactants.


How do endothermic and exothermic differ?

Endothermic reactions absorb heat energy from their surroundings, resulting in a decrease in temperature, while exothermic reactions release heat energy into their surroundings, leading to an increase in temperature. Endothermic reactions require an input of energy to proceed, whereas exothermic reactions release energy without needing additional input.


What are differences between endothermic and exothermic reactions examples?

The main differences between exothermic reactions and endothermic reactions are: Exothermic reactions are reactions that give off energy (light, electrical or mainly heat), causing the surroundings to warm up. Endothermic reactions are reactions that absorb energy, causing the surroundings to cool down. The products of an exothermic reaction have less energy, or less total enthalpy, than of it's reactants. This is due to the reactants containing more stored energy because energy from external sources is not required. This also gives the products more stability because in order to achieve a reversible reaction and break the chemical bonds of the products, you will need to apply more energy to it. The opposite is for endothermic reactions. The products of the reaction have a greater total enthalpy of the reactants, causing the reactants stored energy to decrease. This produces less stable products that need less energy to break their bonds in a reversible reaction. Finally most exothermic reactions are spontaneous, where as most endothermic reactions are not spontaneous as they generally need energy applied to them before they start.


What is a type of chemical reaction where the energy of the products is less than the energy of the reactants?

An exothermic reaction is a type of chemical reaction where the energy of the products is less than the energy of the reactants. This means that energy is released during the reaction in the form of heat or light. Examples include combustion reactions and many neutralization reactions.


When energy released or absorbed?

Energy is released when a chemical reaction is exothermic, meaning that the products have less energy than the reactants. Energy is absorbed in an endothermic reaction, where the products have more energy than the reactants.


What type of reaction is it when energy is released?

Exothermic, generally. Exo- is out, -thermic refers to heat energy. You could have an endothermic reaction with other energy released, say radiation or work, but it is less common.


What happens to the reaction during endothermic and exothermic reaction?

During an endothermic reaction, heat is absorbed from the surroundings, causing the reaction to feel cold. The reactants have less energy than the products, so energy is absorbed to form the products. In an exothermic reaction, heat is released into the surroundings, making the reaction feel hot. The reactants have more energy than the products, so energy is released during the reaction.


Is bond making exothermic or endothermic?

Bond making is typically exothermic, meaning energy is released when chemical bonds are formed. This is because forming bonds allows atoms to achieve a more stable and lower energy state than when they are separate.


What are the advantages and disadvantages of exothermic and endothermic reactions?

The big advantage to being exothermic is that the animals save a huge amount of energy. In contrast, endothermal or warm blooded animals use roughly one third of the energy they ingest for heating. The big disadvantage in being exothermic is that moving, digesting and reproducing generaly use more energy and take longer to start up.