Chemistry, asked by tyu7, 1 year ago

how to balance a equation step by step​

Answers

Answered by ishu3864
5

hope my personal notes will help you...

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Answered by Anu726
2

hi

(here as an example i am going to take an combustion reaction.)

take an example as

CH4 + O2 ----> CO2 + H2O

ok, according to law that

"atomic masses can neither be created nor be destroyed"

the masses in the reactant must be equal to the masses of product

so here you can see that "Carbon" and "Oxygen" is balanced

but not hydrogen

in the reactant side there are there are

"4 hydrogen"

but in the product side only 2

so u multiply the compound H20 by 2

then u get equation as

CH4 + O2 ----> CO2 + 2H2O

but the 2 multiplies with Oxygen also

now in the reactant side there are 2 oxygen and in the product side 4

so multiply the oxygen molecule of reactant side by 2

then u will get the equation as

CH4 + 2O2 ----> CO2 + 2H2O

now you can see that both sides are balanced

hope ir helps....

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