Aqueous carbonic acid h2cl3decomposes into carbon dioxide gas and liquid water . write a balanced chemical equation for this reaction.

H2CO3(aq) ⇆ H2O(l) + CO2(g)

Explanation:

Step 1: Data given

Aqueous carbonic acid = H2CO3

H2CO3 decomposes into CO2 and H2O

Step 2: Balancing the equation

H2CO3(aq) ⇆ H2O(l) + CO2(g)

We do not have to change anything in this reaction since it's already balanced.

We have 2x H on both sides ( 2x in H2CO3 and 2x in H2O)

We have 1x C on both sides (1x in H2CO3 and 1x in CO2)

We have 3x O on both sides (3x in H2CO3 and 1x in H2O, 2x in CO2)

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