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CBSE - X - Chemistry - Chemical Reactions and Equations

How to learn chemical equations faster?

Asked by Buddha Prakash Dhamma Piya Asoka 13th September 2013, 3:56 PM
Answered by Expert


You can learn chemical equation by understanding it. It is easy to solve chemical equations. First we need to balance the chemical equations correctly.
Easy method which will help you to learn chemical equations is as follows: 

A chemical equation is balanced when the number of atoms of each type on each side of the equation is the same. Which means if you have 12 oxygen on the left hand side of the equation, you must have 12 oxygen on the right hand side, if there are 4 carbons on the left, there must 4 carbons on the right, and so on. This is because of the law of conservation of mass - you can 't make or destroy atoms during a chemical reaction.

For example,

Unbalanced Equation:- C3H8 + O2 ---> H2O + CO2

There are three carbons on the left, but only one on the right.
There are eight hydrogens on the left but only two on the right.
There are two oxygens on the left but three on the right.

Balanced Equation:- C3H8 + 5O2 ---> 4H2O + 3CO2

Answered by Expert 14th September 2013, 11:24 PM

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