The document provides step-by-step instructions for balancing a chemical equation. It begins with the unbalanced equation NaOH + H2S -> Na2S + H2O. It explains that coefficients need to be added to ensure the same number of each type of atom is on both sides of the equation. It demonstrates marking atoms of the same type with the same color and connecting their coefficients. The final balanced equation is shown as NaOH + 2H2S -> Na2S + 2H2O.

1. Balancing equation This presentation will help you to learn how to balance chemical equation easily.

2. Balancing equation NaOH + H2S -> Na2S + H2O

3. Balancing equation NaOH + H2S -> Na2S + H2O You are asked to balance the chemical equation above.

4. Balancing equation NaOH + H2S -> Na2S + H2O This equation is too crowded.

5. Balancing equation NaOH + H2S -> Na2S + H2O This equation is too crowded. No space to fill in the coeficient.

6. Balancing equation NaOH + H2S -> Na2S + H2O Give space between substances to fill in the coefficient.

7. Balancing equation NaOH + H2S -> Na2S + H2O NaOH + H2S -> Na2S + H2O Give space between substances to fill in the coefficient.

8. Balancing equation NaOH + H2S -> Na2S + H2O

9. Balancing equation NaOH + H2S -> Na2S + H2O Put in boxes to fill up coefficients.

10. Balancing equation NaOH + H2S -> Na2S + H2O Put in boxes to fill up coefficients.

11. Balancing equation NaOH + H2S -> Na2S + H2O Put in boxes to fill up coefficients.

12. Balancing equation NaOH + H2S -> Na2S + H2O Put in boxes to fill up coefficients.

13. Balancing equation NaOH + H2S -> Na2S + H2O Put in boxes to fill up coefficients.

14. Balancing equation NaOH + H2S -> Na2S + H2O

15. Balancing equation NaOH + H2S -> Na2S + H2O Mark the same elements with the same color

16. Balancing equation NaOH + H2S -> Na2S + H2O Mark the same elements with the same color

17. Balancing equation NaOH + H2S -> Na2S + H2O Mark the same elements with the same color

18. Balancing equation NaOH + H2S -> Na2S + H2O Mark the same elements with the same color

19. Balancing equation NaOH + H2S -> Na2S + H2O

20. Balancing equation NaOH + H2S -> Na2S + H2O Connect the coefficient with the same color.

21. Balancing equation Na = NaOH + H2S -> Na2S + H2O Connect the coefficient with the same color.

22. Balancing equation Na = NaOH + H2S -> Na2S + H2O O =

23. Balancing equation Na = NaOH + H2S -> Na2S + H2O O = S =

24. Balancing equation Na = Adjust the coefficients to get same number of elements on LHS (Left Hand Side) and RHS(Right Hand Side). NaOH + H2S -> Na2S + H2O O = S =

25. Balancing equation Na = NaOH + H2S -> Na2S + H2O O = S =

26. Balancing equation Na =2 NaOH + H2S -> Na2S + H2O 2 1 O = S =

27. Balancing equation Na =2 NaOH + H2S -> Na2S + H2O 2 1 O =1 S =

28. Balancing equation Na =2 NaOH + H2S -> Na2S + H2O 2 1 1 2 O =2 S =1

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