For the reaction H2CO3→2H+CO3^2- , △ H=6KJ Then find heat change during following balancereaction. H2CO3+2NaOH→ NaCO3+2H2O (1) -106.4 KJ(3)-108.4 KJ(2)-51.2 KJ(4) -114.4 KJ

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An aqueous solution of carbonic acid ( $H_{2} C O_{3}$ ) contains

C O_{2} (g) + C (s) \to 2 C O (g)

Δ H = + 172.5

N_{2} (g) + 3 H_{2} (g) \to 2 N H_{3} (g)

Δ H = - 91.8

N_{2} (g) + O_{2} (g) \to 2 N O (g)

Δ H = + 181

2 H_{2} O (g) \to 2 H_{2} (g) + O_{2} (g); Δ H = 484.6

C O_{2}

C O_{2}

When $C O_{2}$ is passed through water which of the following species will be present in water?

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