Complete and incomplete combustion.
Incomplete combustion shows up as a yellow flame whereas complete
combustion shows up as a blue flame.
Dr Rob Hicks
Carbon monoxide is known as a silent killer because you can't hear, see or smell it - but you can prevent poisoning and learn how to recognise the early warning signs.
What causes it?
Carbon monoxide is a product of incomplete combustion of natural or petroleum gas. Inhaling the gas reduces the blood's ability to carry oxygen, leaving the body's organs and cells starved of oxygen.
Common sources of carbon monoxide in the home include faulty central heating systems, gas appliances and fires. Blocked flues and chimneys mean the gas can't escape and is inhaled by the unsuspecting individual.
In the UK, about 50 people die each year in their homes from accidental carbon monoxide poisoning.
Car exhausts are also a common source of carbon monoxide. A lethal level of carbon monoxide in the blood can develop within ten minutes inside a closed garage.
Questions:
Incomplete combustion shows up as a yellow flame whereas complete
combustion shows up as a blue flame.
|
Carbon monoxide is known as a silent killer because you can't hear, see or smell it - but you can prevent poisoning and learn how to recognise the early warning signs.
What causes it?
Carbon monoxide is a product of incomplete combustion of natural or petroleum gas. Inhaling the gas reduces the blood's ability to carry oxygen, leaving the body's organs and cells starved of oxygen.
Common sources of carbon monoxide in the home include faulty central heating systems, gas appliances and fires. Blocked flues and chimneys mean the gas can't escape and is inhaled by the unsuspecting individual.
In the UK, about 50 people die each year in their homes from accidental carbon monoxide poisoning.
Car exhausts are also a common source of carbon monoxide. A lethal level of carbon monoxide in the blood can develop within ten minutes inside a closed garage.
Questions:
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What are the advantages of complete combustion?
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What might the hotel have failed to do to prevent the death of the two children in the Corfu incident?
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Despite the risks involved in burning fossils fuels, their use is still on the
increase throughout the world. Write a few lines to explain some of the reasons why their use is increasing.
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The diagram shows a safe gas appliance, if the
appliance is not safe
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i) What happens to the flame?
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ii) Which way do the fumes flow?
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iii) What is present around the firebox
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iv) What could have happened to the flue?
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i) What happens to the flame?
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Write balanced symbol equations to show
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i) The complete combustion of methane
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ii) The incomplete combustion of methane forming carbon monoxide (CO) carbon (C) and water.
New Pages on the "Mole" and "Using the Mole" in chemical calculations are here
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i) The complete combustion of methane
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