Chemical Reactions

How do you balance a chemical equation?

• Add a coefficient to make the element amounts equal

• They are always balanced

• Add to the subscript of the element

• Subtract from the subscript of the element

Tags

NGSS.MS-PS1-5

How many types of chemical reactions are there?

• 2

• 3

• 4

• 6

Tags

NGSS.MS-PS1-5

What are the products in a combustion reaction?

• Water

• Salt and Water

• Carbon dioxide

• Carbon dioxide and water

Tags

NGSS.MS-PS1-5

What is the number called that identifies how many atoms of one element there are?

What are the products of an acid-base reaction?

• Salt and water

• Water

• Salt

• Carbon dioxide, salt, and water

What is the left part of this chemical equation called?

2H_{2 +} O₂ --> 2H₂O

• Reactant

• Yield

• Product

• Chemical Equation

What is the left part of this chemical equation called?

2H_{2 +} O₂ --> 2H₂O

• Reactant

• Yield

• Product

• Chemical Equation

List 1 chemical reaction

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5