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What is the component of a chemical reaction that is present at its start?
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What is a chemical reactants and the products in the reaction?
Substances initially present in a chemical reaction that are consumed during the reaction or a substance that participates in a chemical reaction, esp a substance that is present at the start of the reaction while the end product of some chemical reactions yield products.
The substances present when a chemical reaction begins?
The substances that are present when a chemical reaction begins are reactants, at the end of the reaction they form products.
What is a substance that enters into a chemical reaction called.?
The reactant is the substance present at the start of a chemical reaction, while the product is the substance(s) formed from a chemical reaction.
When a catalyst is present and more or less activation energy is needed to start a chemical rection?
A catalyst reduces the amount of activation energy needed to start a chemical reaction.
When a catalyst is present more less activation energy is needed to start a chemical reaction?
Less Ea.
When a catalyst is present is more or less activation energy needed to start a chemical reaction?
Less Ea.
What is the difference between a reactant and a product in a chemical reaction?
Substances initially present in a chemical reaction that are consumed during the reaction or a substance that participates in a chemical reaction, esp a substance that is present at the start of the reaction while the end product of some chemical reactions yield products.
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 compound is needed to start a chemical reaction?
The initial compounds in a chemical reaction are called reactants.
What does the amount of energy affect during a chemical reaction?
A chemical reaction need an activation energy to start.
Start up energy of a chemical reaction?
Energy that starts a chemical reaction is called activation energy
What are the substance you start with in a chemical reaction?
The reactants
