Combustion

The correct balanced chemical equation for the reaction taking place is _____.

• C2H6 + 7O2 → 4CO2 + 6H2O

• 2C2H6 + 7O2 →4CO2 + 6H2O

• 2C2H6 +14O2 →4CO2 + 6H2O

• C2H6 + 7O2 → 2 CO2 + 3H2O

Tags

NGSS.MS-PS1-5

Incomplete combustion is harmful to humans because it ___________________.

• increases the level of sugar in the blood

• produces large amounts of carbon dioxide

• decreases the amount of sugar in the blood

• produces carbon monoxide that reduces the level of oxygen in the blood

What is NOT product of complete combustion?

• carbon dioxide

• water

• carbon monoxide

• water

If a flame is giving off smoke, this type of combustion is occurring...

• Complete combustion

• Incomplete combustion

This type of combustion occurs when there is a limited supply of oxygen

• Complete Combustion

• Incomplete Combustion

This burning of methane resulted in the formation of soot

• methane + carbon monoxide --> oxygen + carbon + water

• methane + oxygen --> carbon dioxide + carbon + water

• methane + oxygen --> carbon monoxide + carbon + water

Tags

NGSS.MS-PS1-5

NGSS.MS-PS1-2

Complete combustion is when there is plenty of oxygen to react with. 

• True

• False

Incomplete combustion is when there is a limited amount of oxygen.

• True

• False

A compound that contains only carbon and hydrogen and that produces carbon dioxide and water when burned is called a(n)

• binary compound

• carbonate

• ionic compound

• hydrocarbon

Tags

NGSS.MS-PS1-5

Combustion is also a _______ reaction

• Oxidation

• Converging

• Exothermic

Tags

NGSS.MS-PS1-4