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The reactants exist before a reaction begins, and also the products are the result of the reaction of the reactants.

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What are the substances that are present before the reaction called in science?

The substances present before a chemical reaction are called reactants. These are the starting materials that undergo a transformation to form new products during the reaction.


Substances that are present before the reaction?

Substances that are present before the reaction are called "reactants" or "reagents".


Are the substances present before the reaction?

Substances that are present before the reaction are called "reactants" or "reagents".


What is the products of a chemical reaction?

The products of a chemical reaction are the substances that are formed as a result of the reaction taking place. These products can be different compounds or elements from the reactants that were present before the reaction occurred.


What do you call the substances before a chemical reaction takes place?

These initial substances are the reactants.


What is present after a chemical reaction?

That depends on the chemicals present before the chemical reaction and sometimes the conditions under which the chemical reaction occurred.


In a chemical reaction the total mass of the substances before the reaction is?

The mass of all substances before a chemical reaction is equal to the mass of the substance after the reaction. This is under the law of conservation of mass.


What is the difference between a chemical reaction and a chemical composition?

when 2 or more compounds react chemically to form a new compound then it is called chemical reaction chemical reaction whereas the quantity and no. chemical elements presents in chemical compound is called the chemical composition


What is the starting substance in a chemical reaction is?

The substances you have at the beginning of a chemical reaction are called the reactants.


Are chemical reactions a chemical change of original substances before a chemical reaction takes a place?

Chemical reactions involve the breaking and forming of chemical bonds in the original substances, resulting in a chemical change. Before a chemical reaction occurs, the original substances have specific chemical properties that undergo transformation during the reaction. The reactants interact to form new products with different chemical compositions.


What materials present after a reaction?

After a chemical reaction, the materials present can include reactants, products, byproducts, and any leftover starting materials that did not react. The specific materials depend on the reactants used and the conditions of the reaction. Analytical techniques such as chromatography, spectroscopy, and mass spectrometry can help in identifying the various materials present after a reaction.


What is the original substances before a chemical reation occurs are the?

Reactants --> Chemical reaction --> Products