Any chemical reaction creates a new substance.
no
The majority of chemicals can react.
In any chemical equation you start with reactants and end up with products.
The products
Reactants
A chemical reaction begins with reactants and ends with products.
The products. Reactants -----> product
Enzyme or catalyst
No, that is a catalyst. An enzyme is a type of catalyst, though.
no
These chemicals are called reactants.
The majority of chemicals can react.
The act of mixing chemicals is a physical process, not a chemical reaction. Mixing chemicals together may, or may not, allow a chemical reaction to proceed, depending on the nature of the chemicals being mixed.
The products
In any chemical equation you start with reactants and end up with products.
A catalyst must change the rate of a chemical reaction. It must be unchanged at the end of the reaction.
a chemical reaction is a reaction were the two chemicals change into a new chemical.