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Catalyst's, enzymes

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Q: There are certain materials that do not take part in a chemical reaction yet their presence is important what are they called?
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Related questions

What are the starting materials in a chemical reaction-?

Reactants


What are the materials you have at the beginning of a chemical reaction called?

The starting materials in a chemical reaction are called reactants.


The reactant are the new materials produce during a chemical reaction?

No. The reactants are the initial materials that undergo chemical reaction; the new materials produced have the unsurprising name "products".


What are the starting material of a chemical reaction?

The starting materials of a chemical reaction are called reactants or reagents.


What are the 5 important factors that influence the rate of a chemical reaction?

Temperature Surface area/phase of reactants Concentration of reactants Presence of catalyst Activation energy of reaction


What are materials you have at the beginning of a chemical reaction?

Reactants. :)


The starting materials in a chemical reaction are?

Reactants


What parameter involved in a chemical reaction will change with the addition of a catalyst?

The rate of a chemical reaction will change in the presence of a catalyst, unless the reaction is already at equilibrium.


The reactants in an enzymatic reaction are called what?

In a chemical reaction the actual reactants are also called the starting materials or interactants. These are the materials necessary for the reaction to happen and undergo chemical change.


What is the materials you have at the beg inning of a chemical reaction?

obama


What are the ending materials in a chemical reaction called?

Products


How does the boiling point of a hydrocarbon change in presence of hydrogen?

It can NOT be changed by the presence of hydrogen without chemical reaction.