Transcript
Balancing equation
This presentation will help you to learn how to balance
chemical equation easily.
Balancing equation
NaOH + H2S → Na2S + H2O
Balancing equation
NaOH + H2S → Na2S + H2O
You are asked to balance the chemical equation above.
Balancing equation
NaOH + H2S → Na2S + H2O
This equation is too crowded.
Balancing equation
NaOH + H2S → Na2S + H2O
This equation is too crowded.
No space to fill in the
coeficient.
Balancing equation
NaOH + H2S → Na2S + H2O
Give space between substances to fill in the
coefficient.
Balancing equation
NaOH + H2S → Na2S + H2O
NaOH + H2S → Na2S + H2O
Give space between substances to fill in the
coefficient.
Balancing equation
NaOH + H2S → Na2S + H2O
Balancing equation
NaOH + H2S → Na2S + H2O
Put in boxes to fill up coefficients.
Balancing equation
NaOH + H2S → Na2S + H2O
Put in boxes to fill up coefficients.
Balancing equation
NaOH + H2S → Na2S + H2O
Put in boxes to fill up coefficients.
Balancing equation
NaOH + H2S → Na2S + H2O
Put in boxes to fill up coefficients.
Balancing equation
NaOH + H2S → Na2S + H2O
Put in boxes to fill up coefficients.
Balancing equation
NaOH + H2S → Na2S + H2O
Balancing equation
NaOH + H2S → Na2S + H2O
Mark the same elements with the same color
Balancing equation
NaOH + H2S → Na2S + H2O
Mark the same elements with the same color
Balancing equation
NaOH + H2S → Na2S + H2O
Mark the same elements with the same color
Balancing equation
NaOH + H2S → Na2S + H2O
Mark the same elements with the same color
Balancing equation
NaOH + H2S → Na2S + H2O
Balancing equation
NaOH + H2S → Na2S + H2O
Connect the coefficient with the same color.
Balancing equation
NaOH + H2S → Na2S + H2O
Na =
Connect the coefficient with the same color.
Balancing equation
NaOH + H2S → Na2S + H2O
Na =
O =
Balancing equation
NaOH + H2S → Na2S + H2O
Na =
O =
S =
Balancing equation
NaOH + H2S → Na2S + H2O
Na =
O =
S =
Adjust the coefficients to get same number of
elements onLHS (Left Hand Side)
and RHS(Right Hand Side).
Balancing equation
NaOH + H2S → Na2S + H2O
Na =
O =
S =
Balancing equation
NaOH + H2S → Na2S + H2O2 1
Na =2
O =
S =
Balancing equation
NaOH + H2S → Na2S + H2O2 1
Na =2
O =1
S =
Balancing equation
NaOH + H2S → Na2S + H2O2 1 1 2
Na =2
O =2
S =1
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