Question

how can we make a chemical equation more informative​

Answer 1

Explanation:

(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.

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Answer 2

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Chemical equation can be made more informative by writing the following additional information to it

Information regarding temperature pressure catalyst etc . is provided Above and below the arrow. separating reactants and products .

The reaction which are reversible can be shown by the sign of reversibility .

Heating during the reaction can be shown bed sign of delta over the arrow.

Physical states of reactants and products can be provided by using the letters as for solid l for liquid G or upward Arrow for gas and aq for solution in water .

Chemical reactions proceed with evolution or absorption of heat .This information is provided by adding the term heat .

Concentration of acids can also be added to the reaction .

Any reaction in which a precipitate is formed the precipitate can be represented by a downward arrow .