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2 H2O is the chemical formula of two molecules of water, not a reaction.

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9y ago

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How is a chemical reaction different from a physical reaction?

A chemical reaction changes the actual chemical make-up of a molecule while a physical reaction only changed the physical state of a molecule, the atomic make-up in the molecule stays the same. (ex: H20(l) ---heat--> H20(g))


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What is the chemical reaction for the decomposition of ammonium carbonate?

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What is the chemical reaction that takes place in a cell photosynthesis?

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Reaction of nitric acid with sodium carbonate?

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Chemical equation for reaction of sodium carbonate with sulfuric acid?

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Basically hydrolysis is what happens when certain voltage is applied to water (H20) and H20 ---> H2 + O. So when water undergoes hydrolysis the oxygen separates from the hydrogen no longer being a water molecule. No how does a chemical reaction occur? Simple! Energy (electricity), Temperature, Concentration of the reactants, Catalyst, Surface area, the nature of the reactants and Pressure are factors that affect the rate of the reaction.


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Is combusion of fuel in cars a chemical reaction?

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