AP Chemistry Unit 4: IYKYK

Unit 4: Combustion reactions produce what two substances?

• Water Vapor and Carbon Dioxide

• Carbon Dioxide and Oxygen

• Oxygen and Water Vapor

CxHy +O₂ --> H₂O + CO₂

• Decomposition
• Double replacement
• Combustion
• Single Replacement

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

One reactant into several products.

• Decomposition
• Synthesis
• Combustion
• Single Replacement

Tags

NGSS.HS-PS1-7

One element replaces another in a compound.

• Synthesis
• Combustion
• Single Replacement
• Double Replacement

Tags

NGSS.MS-PS1-2

This pictures simulates what type of reaction?

• Synthesis
• Decomposition
• Single Replacement
• Double Replacement

Tags

NGSS.MS-PS1-2

KOH + H₃PO₄ --> K₃PO₄ + H₂O

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

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

Si + S₈ --> Si₂S₄

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

Tags

NGSS.HS-PS1-2

Pb(NO₃)₂ --> PbO + NO₂ + O₂

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

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

Zinc reacts with steam to form zinc oxide and hydrogen. 
Zn + H₂O ------> ZnO + H₂   During the reaction, which substance is oxidised?  

• hydrogen  
• water  
• zinc            
• zinc oxide

Which half-reaction correctly represents reduction?

• Ag --> Ag⁺ + e^-

• F₂ --> 2 F^- + 2e^-

• Au³⁺ + 3e^- --> Au

• Fe²⁺ + e^- --> Fe³⁺

Tags

NGSS.HS-PS1-2