Unit 2 practice chemical reactions

CxHy +O₂ --> H₂O + CO₂

• Decomposition
• Double replacement
• Combustion
• Single Replacement

One reactant into several products.

• Decomposition
• Synthesis
• Combustion
• Single Replacement

One element replaces another in a compound.

• Synthesis
• Combustion
• Single Replacement
• Double Replacement

This pictures simulates what type of reaction?

• Synthesis
• Decomposition
• Single Replacement
• Double Replacement

KOH + H₃PO₄ --> K₃PO₄ + H₂O

• Synthesis (combination)
• Decomposition
• Single replacement
• Double replacement

Si + S₈ --> Si₂S₄

• Synthesis (combination)
• Decomposition
• Single replacement
• Double replacement

Pb(NO₃)₂ --> PbO + NO₂ + O₂

• Synthesis (combination)
• Decomposition
• Single replacement
• Combustion

What is the left part of a chemical equation called?
H_{2 +} O → H₂O

• Reactants
• Products 
• Yields 
• Chemical Equation 

Combustion reactions will always involve

• Oxygen and a solid

• Liquid nitrogen and heat

• Oxygen and heat/energy

• CO and H₂O

___C₃H₈ +___O₂ --> ___CO₂ + ___H₂O

• 1,5,3,4
• 2,10,6,8
• already balanced
• 1,5,5,4