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TYPES OF ENERGY STORE - examples explained
(a) Examples of chemical energy stores
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 Chemical energy
and chemical energy stores
-
Chemical energy is 'stored' or
'bound up' in chemical elements/compounds by virtue of their chemical
structure.
-
A chemical energy store consists of
chemicals that release energy when they react e.g.
-
 burning hydrocarbon
fuels like petrol from crude oil converts stored chemical energy into heat
energy,
-
metabolising foods like fats and carbohydrates
releases energy to power living cells in any organism,
-
 discharging a charged car
battery containing sulfuric acid solution and lead
electrodes coverts chemical energy to electrical energy.
-
A zinc-carbon-acidic paste battery is convenient for use
in torches.
-
 Since chemical energy is a form
of stored energy e.g. a battery or tank of fuel, it does nothing until it is released and converted into
another form of energy - usually electrical energy or heat energy.
-
INDEX
of energy changes-transfers
in chemical reactions notes (gcse chemistry notes)
-
See
Thermal
energy notes for a simple calorimeter experiment to
measuring the efficiency of a fuel in terms of thermal energy output.
Energy resources,
energy
transfers, work done and
electrical power supply revision notes index
Types of energy & stores - examples compared/explained, calculations of
mechanical work done and power
Chemical
energy stores *
Elastic
potential energy stores, calculations *
Electrical
& electrostatic
energy stores
Gravitational potential
energy and calculations *
Kinetic
energy stores
and calculations *
Nuclear
energy store
Thermal
energy stores *
Light energy *
Sound energy *
Magnetic
energy stores
Conservation of energy,
energy transfers-conversions, efficiency - calculations and
Sankey diagrams gcse physics
See also
More on methods of reducing heat transfer eg in a house, insulating properties of materials
Energy resources: uses, general survey & trends,
comparing renewables, non-renewables, generating electricity
Renewable energy (1) Wind power and
solar power, advantages and disadvantages gcse physics revision
notes
Renewable energy (2) Hydroelectric power and
geothermal power,
advantages and disadvantages
gcse physics
Renewable energy (3) Wave power and tidal barrage power,
advantages and disadvantages
gcse physics
See also
Renewable energy - biomass - biofuels & alternative fuels,
hydrogen, biogas, biodiesel gcse chemistry notes
Greenhouse
effect, global warming, climate change,
carbon footprint from fossil fuel burning gcse chemistry
The absorption and emission of radiation by
materials - temperature & surface factors including global warming
The Usefulness of Electricity gcse
physics electricity revision notes
and
The 'National Grid' power supply, mention of small
scale supplies, transformers gcse
physics notes
 GCSE
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stores
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chemical energy stores explained
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