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sattari [20]
3 years ago
8

Hi! It would be awesome if you could answer this soon. 20 points!

Chemistry
1 answer:
NikAS [45]3 years ago
3 0

Answer:

2HgO    →     2Hg      +  O₂

The reaction is a decomposition reaction because from one reactant two products were obtained

Explanation:

The problem here involves balancing the chemical reaction given and also classifying the reaction.

 The unbalanced expression is given as:

              HgO    →     Hg      +  O₂

Assign the alphabets a,b and c as coefficients that will balance the equation

           aHgO    →     bHg      +  cO₂

Conserving Hg: a  = b

                   O:    a  = 2c

So, let c  = 1, a  = 2 b  = 2

Therefore;

       2HgO    →     2Hg      +  O₂

The reaction is a decomposition reaction because from one reactant two products were obtained

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