Reaction Types and Balancing Chemical Equations Review

__ Al + __ FeO → Al₂O₂ + __ Fe

• 1, 1, 2

• 2,1,2

• 2, 2, 2

• 2,4,2

Tags

NGSS.HS-PS1-1

 Mg  +  ___ HCl  →   MgCl₂  +   H₂

• 1

• 2

• 3

• 4

Tags

NGSS.HS-PS1-1

Balance this equation.
_CF₄ + _Br₂ -- _CBr₄ + _F₂

• 2,1,2,1

• 1,2,2,1

• 1,2,1,2

• 2,2,2,2

What is the little number after an element in a chemical equation called.
Example: H₂

• Coefficient 

• Subscript

• Atom

• Equation

Two Reactants and One Product

• Decomposition

• Synthesis

• Combustion

• Single Replacement

PCl₅ + ___ H₂O → ___ HCl + H₃PO₄

• 4, 5

• 1, 6

• 3, 8

• 2,2

What does the Law of Conservation of Mass state?

• Matter cannot be gained or lost in a chemical reaction.

• Matter can only be lost in a chemical reaction.

• Matter can only be gained in a chemical reaction.

• Matter can be gained and lost in a chemical reaction. 

Tags

NGSS.HS-PS1-7

_P₄+_O₂ →  _P₂O₃

• 3 P₄+1 O₂ → 2 P₂O₃

• 1 P₄+1 O₂ → 2 P₂O₃

• 1 P₄+ 3 O₂ → 2 P₂O₃

• 1 P₄+ 2 O₂ → 3 P₂O₃

Tags

NGSS.HS-PS1-7

AgNO₃ + Cu → Cu(NO₃)₂ + Ag

• 2 AgNO₃ + 2 Cu → 3 Cu(NO₃)₂ + 1 Ag

• 2 AgNO₃ + 1 Cu → 1 Cu(NO₃)₂ + 2 Ag

• 1 AgNO₃ + 2 Cu → 2 Cu(NO₃)₂ + 1 Ag

• 3 AgNO₃ + 2 Cu → 3 Cu(NO₃)₂ + 2 Ag

_Al + _HCl →_H₂ + _AlCl₃

• 2 Al + 2 HCl → 2 H₂ + 6 AlCl₃

• 3 Al + 3 HCl → 6 H₂ + 2 AlCl₃

• 1 Al + 1 HCl → 3 H₂ + 1 AlCl₃

• 2 Al + 6 HCl → 3 H₂ + 2 AlCl₃

Tags

NGSS.HS-PS1-2