3932799
Description
Mind Map by donnapumpkin, updated more than 1 year ago
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Created by donnapumpkin
about 9 years ago
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Crude Oils and Fuels
- Crude Oil
- mixture of very large
number of compounds
that come from
reserves in the ground
- mixture of very large
number of compounds
that come from
reserves in the ground
- Mixture
- two or more
elements or
compounds that are
not chemically joined
together
- two or more
elements or
compounds that are
not chemically joined
together
- Hydrocarbon
- molecule made of hydrogen
and carbon atoms only
- molecule made of hydrogen
and carbon atoms only
- Saturated
- When a hydrocarbon
contains as many hydrogen
atoms as possible (no double
bonds)
- When a hydrocarbon
contains as many hydrogen
atoms as possible (no double
bonds)
- Fuel
- Compounds that are
burnt to produce heat
energy
- Compounds that are
burnt to produce heat
energy
- Impurities in
fuel
- Fuels can have the following
impurities in fuel: Sulfur,
carbon and/or hydrogen
- Fuels can have the following
impurities in fuel: Sulfur,
carbon and/or hydrogen
- Fractional
- Fractional distillation
- A method of separating the different
hydrocarbons in crude oil by using the
fact that they different boiling points
- hydrocarbons with high boiling points
condense first
- hydrocarbons with low boiling points
condense higher up the column
- hydrocarbons with low boiling points
condense higher up the column
- hydrocarbons with high boiling points
condense first
- A method of separating the different
hydrocarbons in crude oil by using the
fact that they different boiling points
- Mixture of molecules that will be of
similar sized and similar boiling
point
- Fractional distillation
- Volatility
- Tendency of a liquid to
turn into a gas
- Smaller hydrocarbons will
be more volatile
- Larger hydrocarbons will
be less volatle
- Larger hydrocarbons will
be less volatle
- Smaller hydrocarbons will
be more volatile
- Tendency of a liquid to
turn into a gas
- Viscosity
- How easily a
liquid flows
- Smaller hydrocarbons
will be less viscous
- Larger hydrocarbons
will be more viscous
- Larger hydrocarbons
will be more viscous
- Smaller hydrocarbons
will be less viscous
- How easily a
liquid flows
- Flammability
- How easily a
fuel burns
- Smaller hydrocarbons
will be more flammable
- Larger hydrocarbons
will be less flammable
- Larger hydrocarbons
will be less flammable
- Smaller hydrocarbons
will be more flammable
- How easily a
fuel burns
- Combustion
- When a
hydrocarbon fuel is
oxidised and
energy is released.
- The carbon and
hydrogen are oxidised
-> carbon dioxide +
water
- The carbon and
hydrogen are oxidised
-> carbon dioxide +
water
- Wet scrubbing
- Removing sulfur dioxide after
combustion from flue gases in
powerstations chimney -
reduces production of acid rain
- Removing sulfur dioxide after
combustion from flue gases in
powerstations chimney -
reduces production of acid rain
- When a
hydrocarbon fuel is
oxidised and
energy is released.
- Acid rain
- When sulphur dioxide
and nitrogen oxide
dissolve in droplets of
water in the air and react
with oxygen and then
fall as acid rain
- When sulphur dioxide
and nitrogen oxide
dissolve in droplets of
water in the air and react
with oxygen and then
fall as acid rain
- Global warming
- When carbon dioxide
absorbs energy which is
radiated from the earth's
surface and causes a rise in
global temperatures
- When carbon dioxide
absorbs energy which is
radiated from the earth's
surface and causes a rise in
global temperatures
- Biofuels
- Renewable fuels that
are made from animals
or plant products
- Renewable fuels that
are made from animals
or plant products
- Biodiesel
- Biofuel made from oils
extracted from plants
- Biofuel made from oils
extracted from plants
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