# Calculate ΔH∘f for SO3 in kJ/mol, given the following data: S(s)+O2(g)→SO2(g) ΔH∘ = -296.8 kJ SO2(g)+1/2O2(g)→SO3(g) ΔH∘ = -98.9 kJ?

• Calculate ΔH∘f for SO3 in kJ/mol, given the following data: S(s)+O2(g)→SO2(g) ΔH∘ = -296.8 kJ SO2(g)+1/2O2(g)→SO3(g) ΔH∘ = -98.9 kJ?

Thermodynamics.Unit.1.Enthalpy.!! ... ΔH=−15.22kJ mol!!!5.!Which!of!the!following!reactions!is!an!enthalpy!of ... (g)!!2HCl(g);ΔH=S185!kJ/mol!! AlCl 3 ...
Positive: 63 %
Questions and Videos on Enthalpy, within Chemistry ... Enthalpy Topic Page Enthalpy Questions. The heat of vaporization of water is 540 cal/g.
Positive: 60 %

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Principles of Chemical Reactivity: Energy and Chemical Reactions ... 256.536 g S8 = 0.010 mol S8 Note ... = 297,000 J/mol SO2 or 297 kJ/mol SO2.
Positive: 63 %
H2O (l) H2O (g) ΔH = 44.5 kJ *61) Given the following ... the data in the table below. 2Ag2S(s) +O2(g) ... g) Substance ΔH (kJ /mol) SO2(g) -297 SO3 ...
Positive: 58 %
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