## 3 Cl2 (g) + 5 AgNO3 (aq) + 3 H2O (ℓ) → HClO3 (aq) + 5 HNO3 (aq) + 5 AgCl (s)

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## Stoichiometry

Enter a mass or volume in one of the boxes below. Upon hitting submit, the stoichiometric equivalents will be calculated for the remaining reactants and products. All gases are assumed to be at STP.

 Cl2            Mass: g or Gas Volume: L AgNO3          Mass: g or Solution Volume: mL of Concentration: mol/L H2O            Mass: g HClO3          Mass: g HNO3           Mass: g AgCl           Mass: g Heat Released: kJ

## Enthalpy of Reaction

[1ΔHf(HClO3 (aq)) + 5ΔHf(HNO3 (aq)) + 5ΔHf(AgCl (s))] - [3ΔHf(Cl2 (g)) + 5ΔHf(AgNO3 (aq)) + 3ΔHf(H2O (ℓ))]
[1(-99.16) + 5(-207.36) + 5(-127)] - [3(0) + 5(-101.78) + 3(-285.83)] = -404.57 kJ
-404.57 kJ     (exothermic)

## Entropy Change

[1ΔSf(HClO3 (aq)) + 5ΔSf(HNO3 (aq)) + 5ΔSf(AgCl (s))] - [3ΔSf(Cl2 (g)) + 5ΔSf(AgNO3 (aq)) + 3ΔSf(H2O (ℓ))]
[1(162.34) + 5(146.44) + 5(96.3)] - [3(222.97) + 5(219.12) + 3(69.91)] = -598.2 J/K
-598.20 J/K     (decrease in entropy)

## Free Energy of Reaction (at 298.15 K)

From ΔGf° values:
[1ΔGf(HClO3 (aq)) + 5ΔGf(HNO3 (aq)) + 5ΔGf(AgCl (s))] - [3ΔGf(Cl2 (g)) + 5ΔGf(AgNO3 (aq)) + 3ΔGf(H2O (ℓ))]
[1(-3.35) + 5(-111.34) + 5(-109.8)] - [3(0) + 5(-34.22) + 3(-237.18)] = -226.41 kJ
-226.41 kJ     (spontaneous)

From ΔG = ΔH - TΔS:
-226.22 kJ     (spontaneous)

## Equilibrium Constant, K (at 298.15 K)

4.6507499942e+039
This process is favorable at 25°C.