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HomeHomework HelpchemistryLaw of Conservation of Mass

Law of Conservation of Mass

The principle that mass can neither be created nor destroyed in a chemical reaction, meaning that the total mass of the reactants is equal to the total mass of the products

beginner
2 hours
Chemistry
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Overview

The Law of Conservation of Mass is a fundamental principle in chemistry that asserts that mass is neither created nor destroyed during a chemical reaction. This means that the total mass of the reactants must equal the total mass of the products, which is crucial for understanding chemical processes...

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Key Terms

Mass
A measure of the amount of matter in an object, typically measured in grams or kilograms.

Example: The mass of a water bottle is 500 grams.

Chemical Reaction
A process where substances (reactants) transform into different substances (products).

Example: Burning wood is a chemical reaction that produces ash and gases.

Reactants
The starting materials in a chemical reaction.

Example: In the reaction of hydrogen and oxygen, both are reactants.

Products
The substances formed as a result of a chemical reaction.

Example: Water is the product of the reaction between hydrogen and oxygen.

Balanced Equation
An equation that has the same number of each type of atom on both sides.

Example: 2H₂ + O₂ → 2H₂O is a balanced equation.

Conservation
The principle that a certain quantity remains constant over time.

Example: The conservation of energy states that energy cannot be created or destroyed.

Related Topics

Stoichiometry
The study of the quantitative relationships in chemical reactions.
intermediate
Chemical Equations
The representation of chemical reactions using symbols and formulas.
intermediate
Thermodynamics
The study of energy changes in chemical reactions.
advanced

Key Concepts

masschemical reactionreactantsproducts