used to scrub SO2 gas from the exhaust gases of powerplants. One possible reaction gives hydrated calcium sulfite and anotherhydrated calcium sulfate.The balanced equations for the two reactions are: CaCO3 (s) + SO2 (g) + ½ H2O (l) ⇌ CaSO3∙½H2O (s) + CO2 (g)  CaCO3 (s) + SO2 (g) + ½ H2O (l) + ½ O2 (g) ⇌ CaSO4∙½H2O (s) + CO2 (g)    Which of the two reactions will be more product favoured?Wet limestone is used to scrub SO2 gas from the exhaust gases of powerplants. One possible reaction gives hydrated calcium sulfite and anotherhydrated calcium sulfate.The balanced equations for the two reactions are: CaCO3 (s) + SO2 (g) + ½ H2O (l) ⇌ CaSO3∙½H2O (s) + CO2 (g)   CaCO3 (s) + SO2 (g) + ½ H2O (l) + ½ O2 (g) ⇌ CaSO4∙½H2O (s) + CO2 (g)     Calculate rGº for the reaction  CaSO3∙½H2O (s) + ½ O2 (g) ⇌ CaSO4∙½H2O (s)

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s used to scrub SO2 gas from the exhaust gases of powerplants. One possible reaction gives hydrated calcium sulfite and anotherhydrated calcium sulfate.The balanced equations for the two reactions are: CaCO3 (s) + SO2 (g) + ½ H2O (l) ⇌ CaSO3∙½H2O (s) + CO2 (g)  CaCO3 (s) + SO2 (g) + ½ H2O (l) + ½ O2 (g) ⇌ CaSO4∙½H2O (s) + CO2 (g)    Which of the two reactions will be more product favoured?Wet limestone is used to scrub SO2 gas from the exhaust gases of powerplants. One possible reaction gives hydrated calcium sulfite and anotherhydrated calcium sulfate.The balanced equations for the two reactions are: CaCO3 (s) + SO2 (g) + ½ H2O (l) ⇌ CaSO3∙½H2O (s) + CO2 (g)   CaCO3 (s) + SO2 (g) + ½ H2O (l) + ½ O2 (g) ⇌ CaSO4∙½H2O (s) + CO2 (g)     Calculate rGº for the reaction  CaSO3∙½H2O (s) + ½ O2 (g) ⇌ CaSO4∙½H2O (s)

 
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Wet limestone is used to scrub SO2 gas from the exhaust gases of powerplants. One possible reaction gives hydrated calcium sulfite and anotherhydrated calcium sulfate.The balanced equations for the two reactions are:

CaCO3 (s) + SO2 (g) + ½ H2O (l) ⇌ CaSO3∙½H2O (s) + CO2 (g)  CaCO3 (s) + SO2 (g) + ½ H2O (l) + ½ O2 (g) ⇌ CaSO4∙½H2O (s) + CO2 (g) 

 

Which of the two reactions will be more product favoured?Wet limestone is used to scrub SO2 gas from the exhaust gases of power
plants. One possible reaction gives hydrated calcium sulfite and another
hydrated calcium sulfate.
The balanced equations for the two reactions are:


CaCO3 (s) + SO2 (g) + ½ H2O (l) ⇌ CaSO3∙½H2O (s) + CO2 (g)  

CaCO3 (s) + SO2 (g) + ½ H2O (l) + ½ O2 (g) ⇌ CaSO4∙½H2O (s) + CO2 (g)  

 

Calculate rGº for the reaction  
CaSO3∙½H2O (s) + ½ O2 (g) ⇌ CaSO4∙½H2O (s)

Thermodynamic quantities for Selected Substances at 298.15 K (25°C)
AHP
AGO
s°
(kJ/mol)
(kJ/mol)
(9/mol•K)
CasO3-%H2O (s)
-1311.7
121.3
CasOa-%H2O (s)
-1574.65
134.8
CaCO3 (s)
-1207.6
-1129.16
91.7
SO2 (g)
-296.84
-300.13
248.21
H20 (I)
-285.83
-237.15
69.95
Transcribed Image Text:Thermodynamic quantities for Selected Substances at 298.15 K (25°C) AHP AGO s° (kJ/mol) (kJ/mol) (9/mol•K) CasO3-%H2O (s) -1311.7 121.3 CasOa-%H2O (s) -1574.65 134.8 CaCO3 (s) -1207.6 -1129.16 91.7 SO2 (g) -296.84 -300.13 248.21 H20 (I) -285.83 -237.15 69.95
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