Balancing and Identifying Chemical Equations

Identify the coefficients of the following equation?

• 1, 4, 5, 1

• 1, 1, 6, 1

• 1, 3, 8, 1

• 1, 2, 2, 1

Tags

NGSS.MS-PS1-5

Identify the coefficients of the following equation?

___ Al + ___ FeO → ___Al₂O₂ + ___ Fe

• 1, 1, 2, 1

• 2,1,2, 1

• 2, 2, 1, 2

• 2, 4, 1, 2

Tags

NGSS.MS-PS1-5

Which number, found on a balanced equation, shows the number of a specific atom within a compound?

• Coefficient

• Subscript

• Charge

• Oxidation Number

What are Chemical Reactions?

• It's when you mix substances.

• a process in which atoms rearrange to form new substances

• When something bubbles.

• letter and numbers showing the types and number of atoms

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

In this chemical formula, which number represents the coefficient?

• 2

• 6

4Si + S₈ --> 2Si₂S₄

• Synthesis

• Decomposition

• Single displacement

• Double displacement

Tags

NGSS.MS-PS1-5

C₄H₁₂ + O₂ --> CO₂ + H₂O

• Synthesis

• Combustion

• Single Replacement

• Double Replacement

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

Which of the following reactions is balanced?

• 2CH₄ + O₂ -> CO₂ + H₂O

• CH₄ + 2O₂ -> CO₂ + H₂O

• CH₄ + 2O₂ -> CO₂ + 2H₂O

• None of the chemical equations are balanced.

Tags

NGSS.MS-PS1-5

Balance this equation...
HgO --> Hg + O₂

• It is balanced 

• 2HgO --> Hg + O₂

• 2HgO --> 2Hg + O₂

• I don't know...Oh well!

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

Is this balanced?

2HgO → 2Hg + O₂

• Yes

• No

Tags

NGSS.MS-PS1-5