complete and incomplete combustion of alkanes Flashcards

1
Q

what is the complete combustion reaction of alkanes formula?

A

alkane + oxygen —–> carbon dioxide + water

alkane + O2 —-> Co2 + H2O

must balance equation if asked to write it

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2
Q

why are alkanes good fuels?

A

most burn readily to produce large amounts of energy

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3
Q

what causes incomplete combustion of alkanes?

A

when alkanes burn with a limited oxygen supply

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4
Q

what are the products of incomplete combustion of alkanes?

A

carbon monoxide (CO)
and water

or Carbon ( soot) and water

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5
Q

What are the formulas for incomplete combustion of alkanes?

A

alkane(g) + O2(g) —-> CO(g) + 5H2O(g)
products = carbon monoxide and water

alkane(g) + O2 (g)—–> C (s) + H2O (g)
alkane + oxygen —> soot + water

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6
Q

what is the state symbol for C (soot)

A

(s)

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7
Q

why is carbon monoxide poisonus?

A

it bonds to haemoglobin in the blood and prevents oxygen bonding.

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8
Q

how can carbon monoxide be removed?

A

using a catalytic converter

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9
Q

What problems does soot cause?

A

breathing problems
make buildings dirty and clog up engines

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10
Q
A
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