Chemical Equations, Acids/Bases and Chemical Reactions

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created 8 years ago by chemistry_goo
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1

Acid

substance with a pH lower than 7.

2

Balanced Chemical Equation

chemical equation with the same number of atoms of each element on both sides of the equation.

3

Base

substance with a pH above 7.

4

Coefficient

number in a chemical equation that represents the number of units of each substance taking part in a chemical reaction.

5

Combustion

a type of chemical reaction that occurs when a substance reacts with oxygen to produce energy in the form of heat and light.

6

Hydronium (H3O+)

H3O+ions, which form when an acid dissolves in water and H1 ions interact with water.

7

Hydroxide (OH-)

Negatively charged polyatomic ions associated with bases.

8

Law of Conservation of Mass

Matter is neither created nor destroyed in a chemical reaction

9

Neutralization

chemical reaction that occurs when the H3O+ions from an acid react with the OH-ions from a base toproduce water molecules.

10

pH

a measure of the concentration of hydronium ions in a solution using a scale ranging from 0 to 14, with 0 being the most acidic and 14 being the most basic.

11

Product

a measure of the concentration of hydronium ions in a solution using a scale ranging from 0 to 14, with 0 being the most acidic and 14 being the most basic.

12

Reactant

in a chemical reaction, the substance that reacts.

13

Salt

compound formed when negative ions from an acid combine with positive ions from a base.