Write one equation each for decomposition reactions where energy is supplied in
the form of heat, light or electricity.
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Here are three examples of decomposition reactions where energy is supplied in the form of heat, light, or electricity:
Heat: 2H2O2 (aq) -> 2H2O (l) + O2 (g)
This is the decomposition of hydrogen peroxide into water and oxygen gas, which occurs when the hydrogen peroxide is heated.
Light: 2AgBr (s) -> 2Ag (s) + Br2 (l)
This is the decomposition of silver bromide into silver and bromine, which occurs when the silver bromide is exposed to light.
Electricity: 2H2O (l) -> 2H2 (g) + O2 (g)
This is the decomposition of water into hydrogen and oxygen gas, which occurs when an electric current is passed through the water.
Here are three examples of decomposition reactions where energy is supplied in the form of heat, light, or electricity:
Heat: 2H2O2 (aq) -> 2H2O (l) + O2 (g)
This is the decomposition of hydrogen peroxide into water and oxygen gas, which occurs when the hydrogen peroxide is heated.
Light: 2AgBr (s) -> 2Ag (s) + Br2 (l)
This is the decomposition of silver bromide into silver and bromine, which occurs when the silver bromide is exposed to light.
Electricity: 2H2O (l) -> 2H2 (g) + O2 (g)
This is the decomposition of water into hydrogen and oxygen gas, which occurs when an electric current is passed through the water.