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Chemistry > Combustion > Flashcards

Combustion Flashcards

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1
Q

What is complete combustion?

A

When an alkane is burnt in enough/excess oxygen. CO2 and H2O are products

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2
Q

What is incomplete combustion?

A

When an alkane is burnt without enough oxygen. CO and soot (carbon) are the products

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3
Q

What are the effects of incomplete combustion

A

CO and soot produced.
CO - kills people because it’s toxic
Soot - causes global dimming and breathing problems

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4
Q

What is a catalytic converter?

A

A part in a car’s exhaust that is designed to reduced pollutants caused by burning fuels. Used to remove toxic gases NO & CO that are produced when the fuel burns in the engines

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5
Q

How does a catalytic converter work?

A

It is mounted on a ceramic honeycomb so greater surface area = faster rate of reaction =more gases are removed.

Range of metals used at catalyst (e.g Pt/Pd/Rh/Ir/

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6
Q

What is the equation for catalytic converter

A

2CO + 2NO —-> 2CO2 + N2

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Chemistry (7 decks)

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