Energy from the Combustion of Fuels (VCE SSCE Chemistry): Quizzes
📚Quizzes
Practise the questions
10 questions from this quiz
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Practise the questions
10 questions from this quiz
Which three components are essential for any combustion reaction to occur?
Which three components are essential for any combustion reaction to occur?
Fuel, oxygen, and energy
What colour flame characterises complete combustion?
What colour flame characterises complete combustion?
Clean, blue flame
What products form during incomplete combustion of hydrocarbons?
What products form during incomplete combustion of hydrocarbons?
Carbon monoxide and/or carbon, plus water
At approximately what concentration can carbon monoxide be lethal?
At approximately what concentration can carbon monoxide be lethal?
200 ppm
What key step differs when balancing combustion equations for alcohols versus hydrocarbons?
What key step differs when balancing combustion equations for alcohols versus hydrocarbons?
Subtract oxygen already in the alcohol
Which fuel has the highest heat of combustion per mole?
Which fuel has the highest heat of combustion per mole?
Octane at 5460 kJ mol
If 2 mol of ethanol burns completely, and heat of combustion is 1360 kJ mol, what energy releases?
If 2 mol of ethanol burns completely, and heat of combustion is 1360 kJ mol, what energy releases?
2720 kJ
If all coefficients in a thermochemical equation double, what happens to ?
If all coefficients in a thermochemical equation double, what happens to ?
It doubles in magnitude
Why does water state affect in combustion equations?
Why does water state affect in combustion equations?
Condensation releases additional energy
What key feature allows explosives to react almost instantaneously?
What key feature allows explosives to react almost instantaneously?
Contain sufficient oxygen in their structure