The reaction SO2(g)+2H2S(g) ⇌ 3 S(s)+2H2O(g) is the basis of asuggested method for removal of SO2, a pollutant that irritatesairways causing coughing, from power-plant stack gases. The valuesbelow may be helpful when answering questions about theprocess.
| Substance | ΔG∘f
(kJ/mol) | ΔH∘f
(kJ/mol) |
| H2O(g) | −228.6 | −241.8 |
| H2O(l) | −237.1 | −285.8 |
| SO2(g) | −300.4 | −296.9 |
| SO3(g) | −370.4 | −395.2 |
| H2S(g) | −33.01 | −20.17 |
| S(s) | 0 | 0
|
Question: Using Le Châtelier's principle, determine how theprocess is affected after each of the following temperature orpressure changes. Consider that a more effective reaction producesmore product or more product in a shorter amount of time.
Drag the appropriate items to their respectivebins.
a) Temperature increases while maintaining the containersize.
b) Pressure increases by decreasing the containersize
c) Pressure decreases by increasing the containersize.
d) Temperature decreases while maintaining the containersize.
place the above under category of More Effective, LessEffective or Equally Effective.
