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Wednesday, 3 June 2015

Write one equation each for decomposition reactions where energy is supplied in the form of heat, light or electricity

Write one equation each for decomposition reactions where energy is supplied in the form of heat, light or electricity.

Answer:
CaCO3 (s) ⇨ CaO (s) + CO2 (g)
In this reaction energy is supplied in the form of heat.
2AgCl (s) + sunlight ⇨ 2Ag (s) + Cl2 (g)
In this reaction energy is supplied in the form of light,i.e.sunlight
2H2O (l) + electricity ⇨ 2H2 + O2
In this reaction energy is supplied in the form of electricity.

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