Balancing Chemical Equations

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

• 1
• 2
• 3
• 4

Tags

NGSS.MS-PS1-5

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

• 1
• 2
• 3
• 4

Tags

NGSS.MS-PS1-5

What law governs the balancing of chemical equations?

• Law of Energy

• Law of Conservation of Matter/Mass

• Law of Gravity

• Law of Matter Movement

Tags

NGSS.MS-PS1-5

Balance this equation

_Al +_HCl --> _H₂ +_AlCl₃

• 2,6,3,2

• it's already balanced

• 4,12,3,4

• 2,1,4,5

Tags

NGSS.MS-PS1-5

What are the coefficients that would properly balance this equation?

__H₂ + __S --> __H₂S

• 1,1 --> 1

• 2,2 --> 2

• 1,2 --> 1

• 1,2 --> 2

Tags

NGSS.MS-PS1-5

Determine the coefficients to make the following equation balanced?

__N₂ + __O₂--> __NO

• 1, 1, 1

• 1, 1, 2

• 2, 2, 2

• 1, 2, 2

Tags

NGSS.MS-PS1-5

What is the left part of a chemical equation called?

2H₂ + O₂ ---> 2H₂O

• Reactants

• Yields

• Products

• Chemical equation

What is the right part of a chemical equation called?

2H₂ + O₂ ---> 2H₂O

• Reactants

• Yields

• Products

• Chemical Equation

Is the following equation balanced?

Al + O₂ ---> 2Al₂O₃

• YES

• NO

Tags

NGSS.MS-PS1-5

Is the following equation balanced?

2C₂H₂ + 5O₂ ---> 4CO₂ + 2H₂O

• YES

• NO

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5