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How can a decomposition reaction help you determine whether a pure substance is an element or a compound?
A decomposition reaction breaks down a compound into its elemental constituents. By analyzing the products of the reaction, you can determine if the original substance was a compound (multiple elements present) or an element (only one type of element present).
What is the difference between a reactant and a product in a chemical reaction?
Reactants are the starting materials in a chemical reaction that undergo a change, while products are the substances formed as a result of the reaction. Reactants are consumed during the reaction, while products are created from the reactants.
How many chloride ions are present?
The number of chloride ions present in a given substance depends on the substance size and the type of substance.
A chemical reaction begins with a substance called and ends with substance called?
Pure substances (or ELEMENTS) form COMPOUNDS after a chemical reaction. For example: Sodium and chlorine, when fused in a chemical reaction become the compound Sodium-Chloride The substance you have in the beginning of a chemical reaction are called reactants and the substance you have when chemical reaction is complete is called products.
A substance that undergoes change in a chemical reaction is called a what?
A substance that undergoes change in a chemical reaction is called a reactant. Reactants are the starting materials in a chemical reaction that are transformed into products through the rearrangement of atoms.
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.
Is it trueThe substance that are present when a chemical reaction begins are the products?
No: the substances present at the beginning of reaction are the reactants or reagents.
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 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.
What are the substance you start with in a chemical reaction?
The reactants
What is a substance that results in a chemical change called?
A substance that results in a chemical change is called a reactant. Reactants are substances that are present at the start of a chemical reaction and are transformed into different substances (products) during the reaction.
Is it true that if the substance that are present when a chemical reaction begins are the products?
true
What are the substance that are present after the reaction has taken place?
These substances are called products.
What is a substance that are present after the reaction has taken place?
These substances are called products.
What term describes a substance that lowers the energy needed to start a chemical reaction?
This substance is a catalyst.
How can a decomposition reaction help you determine whether a pure substance is an element or a compound?
A decomposition reaction breaks down a compound into its elemental constituents. By analyzing the products of the reaction, you can determine if the original substance was a compound (multiple elements present) or an element (only one type of element present).
What is the difference between a reactant and a product in a chemical reaction?
Reactants are the starting materials in a chemical reaction that undergo a change, while products are the substances formed as a result of the reaction. Reactants are consumed during the reaction, while products are created from the reactants.
