Q:

What is chemical energy used for?

A:

Quick Answer

Chemical energy is for producing heat in the human body to sustain vital functions, converting solar energy in plants through photosynthesis, producing electrical energy in batteries to power devices and burning fossil fuels in combustion engines to produce heat or motion. There is a vast array of sources that produce chemical energy, some of which are renewable, such as solar energy.

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Full Answer

Many sources of energy, or fuels, are forms of chemical energy. The method for using the chemical energy in fuels is by burning them. Wood, coal, gasoline and natural gas are burned to release heat through a chemical reaction called combustion, which is a reaction that produces thermal energy. Chemical energy is the most commonly used form of energy by humans. From TV remotes and battery-powered cellphones to gas-powered automobiles, this energy performs many important functions. Reactions that occur in chemical compounds produce chemical energy. Food consumption is a simple example of obtaining chemical energy. The energy acquired from food is absorbed into the body and used in daily activities. Chemical energy is one of the easiest and most efficient sources of energy to obtain, store and use. It is found in almost everything people use every day. It has been a valuable source of power for many species for billions of years.

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Related Questions

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    What form of energy is stored in fossil fuels?

    A:

    Fossil fuels store sunlight, which derives from plants using energy from the sun for photosynthesis. This light energy remains dormant in fossil fuels and dates back many years. Fossil fuels release this energy upon activation, such as burning.

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    What benefits does the sun provide to the Earth?

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    The sun benefits the Earth in several ways, including giving the light animals see with or the energy needed to produce artificial light, the heat that makes life on Earth possible, and energy for plants to make food through photosynthesis of sunlight. Plants are the basis of any food chain.

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    Sulfur dioxide is a common byproduct of the incomplete combustion of fossil fuels. It is created when sulfur atoms present in the fuel are released into the atmosphere, joining with a pair of freed oxygen atoms. Sulfur dioxide also occurs as a byproduct of volcanic eruptions.

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    What are examples of combustion?

    A:

    Examples of combustion, or combustion reactions, include the burning of coal and other fossil fuels, methane gas, and even sparklers and fireworks. Combustion reactions are essentially chemical reactions, and take place all around the world every day. Some reactions, such as the burning of coal and oil, are large and repetitive actions while smaller combustion reactions occur when fireworks and sparklers are lit and burned.

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