Balancing Equations in Chemistry

Balance this equation
_N₂ + _H₂ --> _NH₃

• 1,2,3

• 1,3,2

• 1,1,2

• 2,1,1

Tags

NGSS.MS-PS1-5

What is the right ratio of chemicals for the BCE (Balanced Chemical Equation)?__CH₄ + __O₂ --> __CO₂+ __H₂O

• 2,1 --> 2,1

• 1,2 --> 1,1

• 1,2 --> 1,2

• 1,2 --> 2,1

Tags

NGSS.HS-PS1-7

What is the right ratio of chemicals for the balanced chemical equation? H₂SO₃ + KOH--> H₂O+ K₂SO₃

• 2,1 --> 2,1

• 1,2 --> 1,1

• 1,2 --> 1,2

• 1,2 --> 2,1

Balance the Equation.

​ (a)   P₄ + ​ (b)   O₂ --> ​ (c)   P₂O₃

• 1

• 3

• 2

• 4

Tags

NGSS.HS-PS1-7

​ ​ Balance the equation. The options can be used more than once.

​ ​ (a)   K   + Cl₂       →     ​ ​ (b)   KCl

• 2

• 3

• 4

• 1

Balance the equation.

​ ​ (a)   NaCl                  →          ​ (b)   Na    +    Cl₂​

• 2

• 1

• 3

• 4

Balance the chemical equation.

f

b

a

4

8

7

5

6

2

9

10

3

1

Tags

MS-PS1-5

​ (a)   Cr₂O_{3 -}-> ​ (b)   Cr + ​ ​ ​ (c)   ​ O₂

• 2

• 4

• 3

• 1

• 5

• 6

• 8

• 7

Tags

NGSS.HS-PS1-7

Balance the equation:

c

e

f

4

2

1

5

6

3

Tags

NGSS.HS-PS1-7

Balance this equation:

​ (a)   FeCl₂ + ​ (b)   Cl₂ --> ​ (c)   FeCl₃

• 2

• 1

• 3

• 4