What are the ways by which a chemical equation can be made more informative ?

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asked Apr 23 in Class VIII Science by navnit40 (-2,975 points)

What are the ways by which a chemical equation can be made more informative ?

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answered Apr 23 by aditya23 (-879 points)

A chemical equation can give more informations in the following ways:

  1. The physical state of the reactants and products can be indicated by putting (s) for solid, (l) for liquid, (g) for gas and (aq) for aqueous state.
  2. Evolution or absorption of heat during the reaction can be denoted by adding or subtracting a heat term on the product side.
  3. Temperature, pressure and catalyst can be indicated above the arrow (→ or =) separating the reactants and products.
  4. Concentration of reactants and products are indicated by adding word (dil) for dilute and (cone) for concentrated before their formulae.
  5. By the sign → or \rightleftharpoons information about irreversible and reversible reactions can be obtained.

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