Why Is Balancing Chemical Equations Important In Chemistry ?

time02-Jul-2024 07:02 AM

Chemical equations represent the reactions between substances, either elements or compounds. These reactions further give reactants and products in several states, such as gas, liquid, or metal (solid).

To understand the process of chemical reactions, it is recommended that the chemical equations be balanced.

But anybody who has gone through high-school education can tell you balancing chemical equations is a complicated business.

Understanding the various rules of balancing requires thorough study. To make the whole thing a bit more digestible for you, check out our guide on balancing chemical equations and why it is important.

What is a Chemical Equation?

A chemical equation is a mathematical representation of the chemical reaction that happens between different substances. There are two core components in a chemical reaction: reactants and products.

The process of creating a chemical reaction requires understanding the nature of reactants and which type of products will be released (gas or liquid).

The structure of the equation consists of reactants on the left side, followed by their quantity in numbers. The products that will be produced after the reaction are mentioned on the right side with the balanced quantity. Also, the symbol of a reaction is an arrow.

Here is an example:
2H2(g) + O2(g) → 2H2O(l)
(g) represents gas, and (l) is liquid.

A chemical equation needs to be balanced so that people can understand the quantity of reactants required to produce a certain amount of product.

Now that you know what a chemical reaction is and its functions, let’s understand the core reasons behind balancing chemical equations:

Reasons to Balance Chemical Equations

1.    To Understand the Law of Conservation of Mass
The most important and basic reason for the chemical equations to be balanced is to follow the Law of Conservation of Mass. According to this law, a matter can neither be created nor be destroyed in a closed system.

Moreover, this law ensures that the total mass of the reactants is equal to the total mass of the products. This can be done by balancing the number of atoms of each element on the reactant side as well as the product side. An unbalanced equation violates this fundamental principle.

2.    Accurate Representation of the Reaction
A balanced chemical equation provides a clear and concise picture of the chemical reaction occurring. It visually depicts the starting materials, the products formed, and the relative quantities involved.

An unbalanced equation misrepresents the reaction and can lead to inaccurate readings or complexity of the process.

3.    Problem-Solving & Experimental Purposes
Balancing chemical equations fosters a deeper understanding of the reactions and the relationships between reactants and products. The ability to write and interpret balanced equations is crucial for effective communication among chemists and for solving various chemistry problems accurately.

4.    Analysis of Thermodynamics
Thermodynamics deals with the energy changes associated with chemical reactions, while equilibrium refers to the state where the forward and reverse reactions occur at equal rates.

Understanding the balanced equation is essential for calculating quantities like enthalpy change (ΔH) and equilibrium constant (K), which are key parameters in these areas of chemistry.

Tips to Balance Chemical Equations

Here are some helpful tips to conquer balancing chemical equations:

•    Identify & Count the Elements
Start by recognising all the different elements present on both the reactant and product sides of the equation. Make a list for each side. For each element you identified, meticulously count the number of atoms on both the reactant and product sides.

•    Focus on One Element at a Time
Choose one element and adjust the coefficient (the number in front of the chemical formula) in front of its molecule on one side of the equation to make its atom count equal to the other side. Repeat this process for each unique element, working systematically.

•    Watch Out for Polyatomic Ions
Polyatomic ions are groups of atoms that act as a single unit with a specific charge. Treat a polyatomic ion as a whole unit when balancing, and adjust the coefficient in front of the entire ion (including its subscript) to achieve equal counts on both sides.

•    Double-Check Your Calculations
Once you've adjusted the coefficients, go back and re-count the atoms of each element on both sides. Ensure all elements have the same number of atoms before going to the next step.

•    Simplify if Possible
After balancing, check if any coefficients can be simplified by dividing them by a common factor. This keeps the equation in its most compact form.


Balancing chemical equations requires close analysis of the substances or elements taking part in the reaction. It helps in understanding the nature of several concepts involved in the world of chemistry. That’s why you need to follow the basics and advanced fundamentals to keep the chemical equations balanced.

If you are still having problems balancing chemical equations, make sure you utilise our services at Digi Assignment Help. Our expert assignment writers can help you complete your assignments without any errors and also help you understand the concepts that you are having difficulty comprehending.

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