Balancing Combustion Reactions

Which type of reaction is: C₂H₄ + 3 O₂ → 2 CO₂ + 2 H₂O

• Synthesis

• Decomposition

• Single Displacement

• Combustion

Which type of reaction takes place in the presence of oxygen and produces carbon dioxide and water?

• double replacement 

• decomposition 

• combustion 

• single replacement

What are the products for this combustion reaction: C₂H₄ + 2 O₂ -->

• C₂O₂ + H₄

• CO₂ + HOH

• CO + H

• CO₂ + H₂O

Write a Balanced Equation for this reaction:
C₂H₄ + 2 O₂ -->

• C₂O₂ + H₄

• CO₂ + HOH

• CO + H

• 2 CO₂ + 2H₂O

Tags

NGSS.HS-PS1-7

Which of the following is a balanced equation for the combustion of methane (CH4)?

• @@ ext{CH}_4 + 2 ext{O}_2 ightarrow ext{CO}_2 + 2 ext{H}_2 ext{O}@@

• @@ ext{CH}_4 + ext{O}_2 ightarrow ext{CO}_2 + ext{H}_2 ext{O}@@

• @@ ext{CH}_4 + 3 ext{O}_2 ightarrow ext{CO}_2 + 4 ext{H}_2 ext{O}@@

• @@ ext{CH}_4 + 2 ext{O}_2 ightarrow 2 ext{CO}_2 + 2 ext{H}_2 ext{O}@@

Tags

NGSS.HS-PS1-7

What is the main product of the combustion of hydrocarbons?

In a combustion reaction, which element is essential for the reaction to occur?

• Carbon

• Hydrogen

• Oxygen

• Nitrogen

Which of the following represents a complete combustion reaction?

• @@ ext{C}_3 ext{H}_8 + 5 ext{O}_2 ightarrow 3 ext{CO}_2 + 4 ext{H}_2 ext{O}@@

• @@ ext{C}_3 ext{H}_8 + 3 ext{O}_2 ightarrow 2 ext{CO} + 4 ext{H}_2 ext{O}@@

• @@ ext{C}_3 ext{H}_8 + 2 ext{O}_2 ightarrow 3 ext{CO} + 4 ext{H}_2 ext{O}@@

• @@ ext{C}_3 ext{H}_8 + 4 ext{O}_2 ightarrow 3 ext{CO}_2 + 4 ext{H}_2 ext{O}@@

What is the balanced equation for the combustion of ethane (C2H6)?

• @@ ext{C}_2 ext{H}_6 + 7 ext{O}_2 ightarrow 4 ext{CO}_2 + 6 ext{H}_2 ext{O}@@

• @@ ext{C}_2 ext{H}_6 + 3.5 ext{O}_2 ightarrow 2 ext{CO}_2 + 3 ext{H}_2 ext{O}@@

• @@ ext{C}_2 ext{H}_6 + 2 ext{O}_2 ightarrow 2 ext{CO}_2 + 3 ext{H}_2 ext{O}@@

• @@ ext{C}_2 ext{H}_6 + 3.5 ext{O}_2 ightarrow 2 ext{CO}_2 + 6 ext{H}_2 ext{O}@@

Tags

NGSS.HS-PS1-7

Which of the following is a characteristic of a combustion reaction?

• It requires a fuel and an oxidant.

• It produces only water.

• It does not release energy.

• It occurs without oxygen.