Summative - Unit 7 Chemistry 05292024

What is Al₂O₃ + Na₃N referred to as in the following reaction: Al₂O₃ + Na₃N --> AlN + Na₂O

• yield
• product
• reactant
• coefficient

What is the correctly balanced version of: Al₂O₃ + Na₃N --> AlN + Na₂O

• Al₂O₃ + 2Na₃N --> AlN + 2Na₂O
• 2Al₂O₃ + Na₃N --> 3AlN + K₂O
• Al₂O₃ + 2Na₃N --> 2AlN + 3Na₂O
• Al₂O₃ + Na₃N --> 2AlN + Na₂O

What is the reaction type of: Al₂O₃ + Na₃N --> AlN + Na₂O

• synthesis
• combustion
• single replacement
• double replacement

Is the following reaction endothermic or exothermic? Al₂O₃ + Na₃N + energy --> AlN + Na₂O

• endothermic
• exothermic

What is the correctly balanced version of the equation: CH₄ + Br₂ --> CBr₄ + H₂

• CH₄ + 2Br₂ --> 2CBr₄ + H₂
• CBr₄ + H₂ --> 2CH₄ + Br₂
• CH₄ + 2Br₂ --> CBr₄ + 2H₂
• 2CH₄ + Br₂ --> 2CBr₄ + H₂

What is the correct type of the reaction: CH₄ + Br₂ --> CBr₄ + H₂

• synthesis
• decomposition
• combustion
• single replacement

The correctly balanced version of: Ca + P₄ --> Ca₃P₂

• Ca + P₄ --> Ca₃P₂
• 3Ca + 2P₄ --> 2Ca₃P₂
• 6Ca + P₄ --> 2Ca₃P₂
• Ca + 3P₄ --> 4Ca₃P₂

The reaction type of: Ca + P₄ --> Ca₃P₂

• decomposition
• synthesis
• combustion
• single replacement

What is the correctly balanced version of the equation: CH₄ + O₂ --> CO₂ + H₂O

• 2CH₄ + O₂ --> 2CO₂ + 2H₂O
• CH₄ + 2O₂ --> CO₂ + 2H₂O
• 2CH₄ + 3O₂ --> 2CO₂ + 2H₂O
• CH₄ + O₂ --> 2CO₂ + 2H₂O

What type of reaction is: CH₄ + O₂ --> CO₂ + H₂O

• double replacement
• combustion
• single replacement
• decomposition