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Most common chemical reactions are exothermic. This means that when the reaction occurs, they release heat. Some reactions are endothermic, which means they absorb heat.

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What a chemical reaction mean?

A chemical reaction is; when there is a chemical change taking place from energy or shifting of molecular structure.


Does an exergonic reaction become hot?

An exergonic Reaction will give off heat. The higher energy level (Reactants) will produce a lower energy level (products) and release energy (chemical or kinetic). An exergonic Reaction will give off heat. The higher energy level (Reactants) will produce a lower energy level (products) and release energy (chemical or kinetic).


A release of energy is a sign that?

A chemical change is taking place.


What is a chemical reaction that's absorbs energy called?

An Endothermic reaction. If you touch the reaction vessel it will feel cool/cold, as it is taking in heat energy. By contract an Exothermic reaction is one that gives out heat. If you touch the reaction vessel it will feel warm/hot as it is liberating heat energy.


What does the word chemical reaction mean?

chemical as in chemical change, so anything changed in its chemical appearance.


Is changes in energy a chemical change?

Changes in energy themselves are not considered chemical changes. Instead, changes in energy may occur as a result of a chemical change taking place, such as in an exothermic or endothermic reaction where energy is either released or absorbed.


When methanol is burned is it a chemical change?

yes, because it is combusting and providing energy. also when something is burned that is a sign of a chemical reaction taking place


Energy is neither created nor destroyed in a chemical reaction Explain where the energy released or absorbed by the reactions comes from or goes to?

Energy released by a chemical reaction is released as heat to the surroundings thus rising the temperature of the room or lab etc where the reaction is taking place. Similarly, energy absorbed by endothermic is either supplied by external heating of reaction mixture over a flame or absorbed from surroundings.


Chemical processes store and release blank in the bonds of molecules?

Chemical processes store and release energy in the form of chemical bonds. This energy is either absorbed when bonds are formed or released when bonds are broken, resulting in various chemical reactions taking place.


On what does activation energy depend?

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What chemical reaction is taking place in the green organelles in plant cells?

This chemical reaction is called photosynthesis.


How is energy stored in rocket taking off?

Energy in a rocket taking off is stored in its fuel. The fuel undergoes a chemical reaction, typically combustion, releasing energy in the form of heat and gas expansion. This energy propels the rocket upwards into the sky.