Question

what is chemichal equation?​

Answer 1

Answer:

A chemical equation is the symbolic representation of a chemical reaction in the form of symbols and formulae, wherein the reactant entities are given on the left-hand side and the product entities on the right-hand side.

The mass of the reactants is always equal to the mass of the product entities. This means that during a chemical reaction, mass can neither be created nor be destroyed.

Answer 2

Chemical equation :-

A chemical equation is the symbolic representation of a chemical reaction. Symbols and formulae of the reactants and products are used for the same.

A chemical equation shows a change of reactants to products through an arrow placed between them.

On the left hand side (LHS) of the arrow , reactants are written with a plus sign (+) between them . Similarly on the right hand side (RHS), products are written with a plus sign (+) between them.

The arrow head points towards the product and shows the Direction of the reaction.

There are many forms in which we can write a chemical equation :-

1. Word form

Methane + Oxygen -> Carbon dioxide + Water

2. Sentence form

The reaction of burning of methane gas in air and forms carbon dioxide and water.

3. Symbolic form

CH^4(g) + 2O^2(g) -> CO^2(g) + 2H^2O(l)

Now, There are two types of chemical equation:-

1. Balanced chemical equation

A balanced chemical equation is that in which the total number of atoms of each element are equal on both sides. It is based on Law of conservation of mass , " mass can neither be created nor be destroyed during a chemical reaction ".

This method is used for balancing chemical equation is called hit and trial method.

2. Unbalanced chemical equation

Number of atoms are not same on the both sides of the equation. Such an unbalanced chemical equation is called Skeletal chemical equation.

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