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This substance is a catalyst.

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Q: What term describes a substance that lowers the energy needed to start a chemical reaction?
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What substance lowers the energy needed to start a chemical reaction?

A substance that lowers the energy needed to start a chemical reaction is a catalyst.


What is the chemical energy is?

Generally chemical energy can be defined as the aptitude of a substance to be transformed in another substance by a chemical reaction.


What does chemical energy mean?

That part of the energy in a substance that can be released by a chemical reaction


What term describes a substance rhat lowers the amount of energy needed to start a chemical reaction?

This substance is called a catalyst.


What is the definition chemical energy?

as you no chemical is the combination of two or more substance that is chemical energy is a energy found when there is chemical reaction


What chemical reaction describes where energy is absorbed?

Endothermic, if the energy is in the form of heat.


What is chemical energy?

Chemical energy is that energy contained in a chemical substance that is released when that substance reacts with another substance. For instance there the sucrose molecule stores chemical energy.


What describes the energy of activation?

Activation energy is the least amount of energy needed to start a chemical reaction. It is used to activate atoms or molecules in order for them to begin a chemical reaction.


A change of state in which energy is removed from a substance is called an?

A change of state where energy is removed from a substance is called an exothermic reaction. This chemical reaction releases energy in the form of light or heat.


What name do you give to a substance to release energy?

A substance to release energy is usually called a fuel. A chemical reaction that releases energy is called exothermic.


What does chemical energy geothermal energy?

Geothermal energy is the type of energy that comes from the heat that is within the earth. Chemical energy on the other hand refers to the potential energy of a chemical substance to undergo a chemical reaction.


Will a chemical reaction that asborbs energy happen with out a source of energy?

No, a chemical reaction that absorbs energy is called an endothermic reaction. The transfer of heat from the surrounds into the substance. In reactions, energy is always CONVERTED, not created which means that nothing can be converted i.e. heat to chemical if there is no heat or initial energy.