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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 are substance you start with in a chemical reaction called?
The reactants
A chemical reaction that gives off heat is most likely to be what?
An endothermic reaction is one that consumes heat.
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.
What must be absorb before a chemical reaction can start by the reactants?
energy
What is a chemical reaction in which more energy is given off than taken in?
Combustion, burning, releases more heat that is taken in to start the reaction.
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.
Are chemical mechanisms that start a reaction.?
centrioles
What are the substance you start with in a chemical reaction?
The reactants
What are substance you start with in a chemical reaction called?
The reactants
What must be added to a reactant to start a chemical reaction?
Either an energy source to start the reaction or a catalyst.
What is a chemical reaction that give off heat?
but
A chemical reaction that gives off heat is most likely to be what?
An endothermic reaction is one that consumes heat.
What is the substance present at the start of a reaction?
The substance present at the start of a chemical reaction is called a reactant. Reactants are the starting materials that undergo chemical changes to form products during a reaction.
The energy necessary to start a chemical reaction?
The energy required to start a chemical reaction is called activation energy. It is the minimum amount of energy needed to initiate a reaction by breaking the chemical bonds of the reactants. This energy barrier must be overcome for the reaction to proceed.
