Types of Reactions (H)

Will the following reaction occur/

NaI + F₂ --> NaF + I₂

• yes

• no

Is redox present during this chemical change?

Li(OH) --> Li₂O + H₂O

• yes

• no

Which material is oxidized is this reaction __Na + __O₂ --> __Na₂O

• sodium

• oxygen

• there is no redox

• the product P₂O₃

The little number after an element found within a chemical equation represents the number of ______________/s present

Example: H₂

• Coefficient

• Subscript

• Atom

• Equation

When balancing equations a ____ can be placed to the left of a formula of a substance to make the equations balanced

• charge
• subscript
• random number
• coefficient

Which problem is balanced?

• PbO₂ + 2H₂
• SO₂ + H₂0 --> H₂SO₄
• 2Na + 2H₂O --> 2NaOH + H₂

Tags

NGSS.HS-PS1-7

This represents 4Si + S₈ --> 2Si₂S₄

• Synthesis

• Decomposition

• Single displacement

• Double displacement

This represents 3Ca + 2AlCl₃ --> 3CaCl₂ + 2Al

• Synthesis

• Decomposition

• Single diplacement

• Double displacement

This is an example of 3KOH + H₃PO₄ --> K₃PO₄ + 3H₂O

• Synthesis

• Decomposition

• Single displacement

• Double replacement precipitation

• Double replacement neutralization

This is an example of 2Pb(NO₃)₂ --> 2PbO + 4NO₂ + O₂

• Synthesis

• Decomposition

• Single displacement

• Combustion