Law of Conservation of Mass Vocabulary

The rule that states that matter cannot be created or destroyed during chemical reactions.

• Precipitate

• Law of Conservation of Mass

• Products

• Reactants

Tags

NGSS.MS-PS1-5

A process in which one or more substances change to form one or more new substances with different chemical makeups.

• chemical reaction

• precipitate

• physical change

• law of conservation of mass

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

A change in matter that does not involve a change in chemical makeup

• Physical change

• Chemical reaction

• Exothermic reaction

• Endothermic reaction

A substance that undergoes a chemical change

• Reactant

• Product

• Precipitate

• Chemical reaction

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

A solid formed in a chemical reaction between two liquids

• Reactant

• Precipitate

• Exothermic reaction

• Endothermic reaction

Tags

NGSS.MS-PS1-2

A substance that results from a chemical change

• Product

• Reactant

• Law of Conservation of Mass

• Chemical reaction

Sodium and chlorine react to form sodium chloride. Sodium and chlorine are examples of

• Reactants

• Products

• Exothermic reactions

• Precipitates

Tags

NGSS.MS-PS1-5

NGSS.MS-PS1-1

Sodium and chlorine react to form sodium chloride. Sodium chloride is an example of a

• Reactant

• Product

• Exothermic reaction

• Endothermic reaction

Tags

NGSS.MS-PS1-5

NGSS.MS-PS1-1

Which type of repos reaction is shown below?

N₂O₅ +    H₂O  🡪→     HNO​₃

​ (a)  

• synthesis
• decompostion
• single replacement
• combustion

Tags

NGSS.MS-PS1-2

Which type of reaction is shown?

• Combustion

• single replacement

• double replacement

• decomposition

Tags

NGSS.MS-PS1-2