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School Physics notes: (a) Examples of chemical energy stores

TYPES OF ENERGY STORE - examples explained

(a) Examples of chemical energy stores

 Doc Brown's school physics revision notes: GCSE physics, IGCSE physics, O level physics,  ~US grades 8, 9 and 10 school science courses or equivalent for ~14-16 year old students of physics

 This page will help you answer questions such as ... What is a chemical energy store?  Give some examples of chemical energy stores.   Examples of chemical energy stores are explained


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.

  • zinc-carbon batterySince 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.

    • All these conversions involve transferring energy from type of energy store to another type of energy store.

  • INDEX of energy changes-transfers in chemical reactions notes (gcse chemistry notes)


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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


Doc Brown's School Physics Revision Notes

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