Chemical Reactions

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Balanced Equations
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Terms in this set (23)
Balanced Equations
The number of atoms for each element are equal for the reactants and products.
Image: Balanced Equations
Chemical Equation
A representation of a chemical reaction using chemical reaction using chemical symbols for elements and compounds.
Image: Chemical Equation
Yield
The arrow in a chemical equation showing how the reactants have changed into the products
Chemical Change
A change of one substance into another substance
Image: Chemical Change
Chemical Formula
A shorthand representation of an element or compound using chemical symbols.
Image: Chemical Formula
Chemical Property
A characteristic of a substance that describes hownit can form into a new substance
Image: Chemical Property
Chemical Reaction
A chemical change that occurs when two or more substances combine to form a new substance.
Image: Chemical Reaction
Coefficient
The number in front of an element or compound that indicates the number of molecules in a chemical formula
Compound
A substance made of 2 or more different types of atoms bonded together.
Image: Compound
Chemical Change
The type of change that results in the formation of new chemical substances.
Law of Conservation of MassMatter cannot be created or destroyed - the mass of the products in a chemical reaction must be equal to the mass of the reactants.MoleculeTwo or more atoms chemically combinedPhysical ChangeA change in a substance that doesnt change the into a different onePhysical PropertyA characteristic of a substance that can be observed wothout changing the identity of a substancePreciptateA solid substance formed from a liquid solution.SubscriptA number written after an element's symbol in a chemical formula that indicates the number of atoms of a specific elementElementA pure substance made of only one kind of atomReactantsElements or compounds on the left side of a chemical equationProductsElements or compounds on the right side of a chemical equationPhysical ChangeThe type of change in which the form of matter is altered, but one substance is not transformed into another.EndothermicA reaction in which heat is absorbed.ExothermicA reaction in which heat is released or given off.Unbalanced EquationThe number of atoms for each element are not equal for the reactants and products.

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