Question

What rules underlie the writing of chemical equations?

Answer 1

let us know The rules for writing chemical equation using an example

2H2 (g) + O2 (g) - 2H2O(g)

* use respective formulas .

* the reactants should always be written in left hand side with + sign in between them .

* The resultant products should be written in right hand side .

* use arrow mark in between reactants and products.

* use the State symbols such as

gas(g),liquid (l), solid(s) etc.

*the number of atoms on both the side of equation should be balanced .