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What is an example of a chemical change that produces light and heat?
Wiki User
∙ 12y ago
reaction of na [sodium] with water or air
Wiki User
∙ 12y ago
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Give an example of a chemical change that produces light and heat?
you fart on a candle....
Is a glow stick that produces light a chemical change?
Yes, a glow stick produces light by means of a chemical change.
Is a firefly emitting light chemical or physical change?
That would be a chemical change because the firefly produces a bio-luminescent chemical. This chemical produces light which you see when the fire fly lights up!
What chemical change produces light and heat?
steel wool burns in oxegen and produces heat and light
Breaking a light stick chemical change?
Breaking a light stick is not a chemical in and of its self, but the subsequent process that produces light is.
Fireworks exploding in the sky and giving off light are an example of a(n)?
chemical change
What Chemical change that produces light and heat?
steel wool burns in oxegen and produces heat and light
Is matchstick an example of chemical energy to light energy?
Yes, although a matchstick produces heat as well as light. Anything that you burn or eat is chemical energy.
What produces chemical energy?
Basically Chemical Energy is stored up in the bonds. Chemical energy is usually converted to another form sucha sheat and light. Burning magnesium produces haet and light. The chemical energy is stored in the metal and the oxygen. It has a scientific name of chemical potential.
Is the generation of light by an electric lamp a chemical or physical change?
This is a physical change. When the electrons go through the filament (or gas), there is no chemical change, only the physical change of temperature. The electricity to power the light may be generated chemically (fossil fuels or batteries) or from a hydroelectric plant. The light from "glow sticks" is an example of light generated by chemical changes.
Is giving off light a physical or chemical change?
I would think it to be a Physical Change. Not chemical.
Does a chemical change always produce heat?
adding heat to a substance might produce a new gas, resulting in a chemical change for example when baking powder is heated it produces carbon dioxide gas which is needed to make a cake fluffy and light.
