How to balance chemical equations || रासायनिक समीकरण को कैसे संतुलित करें || हुलु लुळू विधी || nadda

How to balance chemical equations || रासायनिक समीकरण को कैसे संतुलित करें || हुलु लुळू विधी || nadda sir
Here's a step-by-step guide on how to balance chemical equations:
Step 1: Write the unbalanced equation
Write the chemical equation with the reactants (on the left) and products (on the right).
Step 2: Count the atoms
Count the number of atoms of each element on both the reactant and product sides.
Step 3: Add coefficients
Add coefficients (numbers in front of formulas) to balance the equation. Start with the elements that appear most frequently.
Step 4: Check and adjust
Check the equation to ensure it's balanced. If not, adjust the coefficients.
Step 5: Verify
Verify that:
Each element has the same number of atoms on both sides.
Coefficients are minimal ( smallest possible numbers).
The equation is chemically correct.
*Example*:
Unbalanced equation: H2 + O2 → H2O
Count atoms:
H2 (2H) + O2 (2O) → H2O (2H, 1O)
Add coefficients:
2H2 + O2 → 2H2O
*Balanced equation*:
2H2 + O2 → 2H2O
*Tips*:
1. Balance hydrogen and oxygen atoms first.
2. Balance polyatomic ions (e.g., NO3-) as a unit.
3. Never change subscripts (numbers within formulas).
4. Use the smallest possible coefficients.
*Common mistakes*:
1. Incorrect counting of atoms.
2. Incorrect placement of coefficients.
3. Changing subscript
By following these steps and tips, you'll become proficient in balancing chemical equations!

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