Balancing Chemical Equations

How many atoms of carbon (C) are in C₆H₁₂O₆?

• 6

• 12

• 18

• 24

Tags

NGSS.MS-PS1-1

 How many Hydrogen (H) are in 4H₂O?

• 2

• 4

• 6

• 8

Tags

NGSS.MS-PS1-1

What is the part of a chemical equation BEHIND the arrow called? 2H_{2 +} O₂ --> 2H₂O

• reactant

• Product

• Question

• Formula

What is the part of a chemical equation in FRONT the arrow called? 2H_{2 +} O₂ --> 2H₂O

• reactant

• Product

• Question

• Formula

How many HCl molecules do you need to balance this equation? Mg +  __HCl --->  MgCl₂ + H₂

• 1

• 2

• 3

• 4

Tags

NGSS.MS-PS1-5

Balance this equation: 2Li + Cl₂ -> _LiCl

• 2Li + Cl₂ -> 4LiCl2

• 2Li + Cl₂ -> 2LiCl

• 2Li + Cl₂ -> LiCl₂

Tags

NGSS.MS-PS1-5

Is the following equation balanced or unbalanced ? Al + O₂ --> Al₂O₃

• Balanced

• Unbalanced

Tags

NGSS.MS-PS1-5

NGSS.MS-PS1-2

Which of the coefficients could be used to balance this equation?

__Ag₂O →__ Ag +___O₂

• 2,4,1

• 2,1,2

• 1,1,1

• 2,2,2

Tags

NGSS.MS-PS1-5

What coefficient should be used to make the following equation balanced?N₂+O₂--> _NO 

• 1

• 2

• 3

• 4

Tags

NGSS.MS-PS1-5

 Is this balanced? Al + O₂ → 2Al₂O₃

• Yes

• No

Tags

NGSS.MS-PS1-5