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as level chemistry > combustion > Flashcards

combustion Flashcards

1
Q

when complete combustion is occurring what colour is the Bunsen burner flame

A

blue

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2
Q

define complete combustion

A

combustion in the presence of sufficient oxygen

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3
Q

what products does complete combustion form

A

carbon dioxide + water

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4
Q

what color is the flame of the Bunsen burner when incomplete combustion is occurring

A

orange

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5
Q

define incomplete combustion

A

combustion in the presence of insufficient oxygen

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6
Q

what products does incomplete combustion form

A

carbon monoxide + water

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7
Q

why is carbon monoxide dangerous for humans

A

it binds to haemoglobin meaning oxygen can’t bind to it but also blood cells can’t release the carbon monoxide and it is toxic causing symptoms like nausea and tiredness

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8
Q

write the symbol equation for complete combustion of methane

A

CH4 + 2O2 —> CO2 + 2H20

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9
Q

write the symbol equation for the incomplete combustion of methane

A

2CH4 + 3CO2 —> 2CO + 4H20

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as level chemistry (50 decks)

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