2 Naoh + (Nh4)2So4 → 2 Nh3 + Na2So4 + 2 H2O

     
l>(NH4)2SO4 (aq) + 2 NaOH (s) → Na2SO4 (aq) + 2 H2O (ℓ) + 2 NH3 (g) - Stoichiometry - Enthalpy • Entropy • Gibbs không tính phí Energy - Equilibrium Constant


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

(NH4)2SO4Mass: gorSolution Volume: mL of Concentration: mol/L
NaOHMass: g
Na2SO4Mass: g
H2OMass: g
NH3Mass: gorGas Volume: L
Heat Released: kJ


<1ΔHf(Na2SO4 (aq)) + 2ΔHf(H2O (ℓ)) + 2ΔHf(NH3 (g))> - <1ΔHf((NH4)2SO4 (aq)) + 2ΔHf(NaOH (s))><1(-1389.47) + 2(-285.83) + 2(-46.11)> - <1(-1174.29) + 2(-426.73)> = -25.5999999999999 kJ-25.60 kJ(exothermic)




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<1ΔSf(Na2SO4 (aq)) + 2ΔSf(H2O (ℓ)) + 2ΔSf(NH3 (g))> - <1ΔSf((NH4)2SO4 (aq)) + 2ΔSf(NaOH (s))><1(138.08) + 2(69.91) + 2(192.34)> - <1(246.86) + 2(64.43)> = 286.86 J/K286.86 J/K(increase in entropy)


From ΔGf° values:<1ΔGf(Na2SO4 (aq)) + 2ΔGf(H2O (ℓ)) + 2ΔGf(NH3 (g))> - <1ΔGf((NH4)2SO4 (aq)) + 2ΔGf(NaOH (s))><1(-1268.43) + 2(-237.18) + 2(-16.48)> - <1(-903.37) + 2(-379.07)> = -114.24 kJ-114.24 kJ(spontaneous)

From ΔG = ΔH - TΔS:-111.13 kJ(spontaneous)


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