Question

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2.Giving an example list two information which make a chemical equation more useful (informative).

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Answer 1

Answer:

a) The various ways in which a chemical equation can be made more informative are : (i) By indicating the physical states of the reactants and products. Example: Gaseous state is indicated by the symbol (g). (ii) By indicating the heat changes taking place in the reaction

Explanation:

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Answer 2

Explanation:

Answer

Chemical equations can be made more informative by the following characteristics:

Physical state

There are three different states which are solid, liquid and gaseous. If the substance exists in solid state, it is represented by (s).

If the substance exists in aqueous state, it is represented by (aq).

If the substance exists in gaseous state, it is represented by (g).

For example:

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