CH2A Calculating energy changes from combustion quiz

What is the main greenhouse gas produced by the combustion of methane?

• Carbon dioxide

• Water vapour

• Methane

• Ozone

What is the volume of CO₂ produced per mole of pentan-1-ol at SLC?

• 24.8 L

• 12.4 L

• 26.5 L

• 53.0 L

If 13 L of butane gas is combusted at SLC in excess oxygen, what volume of CO₂ is produced?

• 13 L

• 26 L

• 39 L

• 52 L

What is the result of combustion reactions?

• Absorption of heat energy

• Release of heat energy

• No change in heat energy

• Decrease in temperature

How much energy is produced when 50.0 L of hydrogen gas is combusted at SLC?

• 7.05 x 10³ kJ

• 5.69 x 10² kJ

• 3.50 x 10⁵ kJ

• 14.1 x 10⁴ kJ

To produce 1.000 MJ of energy, calculate the required amount (in mol) of octane.

• 0.045 mol

• 0.050 mol

• 0.055 mol

• 0.060 mol

For every 1.000 MJ of energy obtained, calculate the total amount (in mol) of CO₂ produced by the combustion of ethanol.

• 0.080 mol

• 0.085 mol

• 0.090 mol

• 0.095 mol

What is the volume of hydrogen gas that produces the same amount of energy as 2.0 L of methane gas at SLC?

• 2.0 L

• 1.0 L

• 3.0 L

• 4.0 L