2. (a) The industrial process for the production of sulphuric acid has three steps. S (s) + O2 (g) –→ SO2 (g) 2S03 (g) → 2SO2 (g) + O2 (g) SO3 (g) + H20 (1) → H2SO4 (1) AH° = -296.83 kJ AH° = -198.20 kJ %3D AH° = -227.72 kJ %3D Using the above data, calculate the enthalpy of the reaction, 2S (s) + 302 (g) + 2H2O (1) → 2H2SO4 (1)

Chemistry: The Molecular Science
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Chapter4: Energy And Chemical Reactions
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2.
(a)
The industrial process for the production of sulphuric acid has three steps.
S (s) + O2 (g) → SO2 (g)
AH° = -296.83 kJ
2SO3 (g) → 2SO2 (g) + O2 (g)
AH° = -198.20 kJ
SO3 (g) + H2O (1) → H2SO4 (1)
AH° = -227.72 kJ
Using the above data, calculate the enthalpy of the reaction,
2S (s) + 302 (g) + 2H2O (1) → 2H2SO4 (1)
Transcribed Image Text:2. (a) The industrial process for the production of sulphuric acid has three steps. S (s) + O2 (g) → SO2 (g) AH° = -296.83 kJ 2SO3 (g) → 2SO2 (g) + O2 (g) AH° = -198.20 kJ SO3 (g) + H2O (1) → H2SO4 (1) AH° = -227.72 kJ Using the above data, calculate the enthalpy of the reaction, 2S (s) + 302 (g) + 2H2O (1) → 2H2SO4 (1)
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