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Hydrocarbon exothermic reaction with O2

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Q: Where does the energy come from when a fuel is burnt?
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What provides energy when burnt in engines?

the energy between the bonds of the fuel in the engine.


What makes the energy in fossil fuel?

the chemical which are present in these when burnt release energy


What is something that is burnt to produce heat energy?

fuel, coal


What are examples of chemical potential energy?

Food and fuel. When burnt, they can be converted to other forms of energy.


Why do cars need fuel?

Fuel is material which is processed (usually 'burnt') to produce energy - heat or power. To move a car takes energy - and that has to be supplied by the fuel.


What energy is released by fossil fuels?

Fossil fuel are burnt to release HEAT


Why does a star die?

When a star has burnt up all of its fuel and energy, it will collapse.


What produces energy when burnt in an engine?

A thermic reaction resulting from the use of a form of fuel.


Is cotton a fossil fuel?

No, cotton is a plant. If it is burnt as biofuel it is a form of renewable energy.


What happens to most of the potential energy from the fuel in internal combustion engines?

un burnt fuel is lost out the tail-pipe.


What type of energy does propane gas furnace use?

Any fuel that can be burnt has chemical energy. Once it is burned, that energy will of course be converted into heat energy.


What happens to coal when it goes to the power staion?

Its burnt into energy. Because coal is a fossil fuel.