Chemical Reactions Intro

A chemical reaction is process where one or more substances are changed into new substances

• True

• False

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

the substances at the start of a chemical reaction that react

• reactants

• products

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

new substances formed as a result of a chemical reaction

• reactants

• products

Tags

NGSS.MS-PS1-2

the mass of all substances that are present before a chemical change equals the mass of all the substances that remain after the change

• Law of conservation of mass

• Law of conservation of energy

• Law of conservation of momentum

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

a way to describe a chemical reaction using chemical formulas and other symbols

• chemical equation

• chemical structure

• chemical formula

Tags

NGSS.MS-PS1-1

NGSS.MS-PS1-5

A number in front of a chemical formula that represents the number of units of each substance

• coefficient

• subscript

A balanced chemical equation has the same number of atoms of each element on both sides of the equation

• True

• False

Tags

NGSS.MS-PS1-5

A type of chemical reaction in which a fuel combines with oxygen to produce heat, light, carbon dioxide and water.

• combustion

• decomposition

• single displacement

• synthesis

• double displacement

a type of chemical reaction in which one compound breaks down and forms two or more substances

• combustion

• decomposition

• single displacement

• synthesis

• double displacement

Tags

NGSS.MS-PS1-5

type of chemical reaction in which two or more substances combine and form one compound

• combustion

• decomposition

• single displacement

• synthesis

• double displacement