The reaction SO2(g)+2H2S(g) ⇌ 3 S(s)+2H2O(g) is the basis of a suggested method for removal of...

The reaction SO2(g)+2H2S(g) ⇌ 3 S(s)+2H2O(g) is the basis of a suggested method for removal of SO2, a pollutant that irritates airways causing coughing, from power-plant stack gases. The values below may be helpful when answering questions about the process.

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 the process is affected after each of the following temperature or pressure changes. Consider that a more effective reaction produces more product or more product in a shorter amount of time.

Drag the appropriate items to their respective bins.

a) Temperature increases while maintaining the container size.

b) Pressure increases by decreasing the container size

c) Pressure decreases by increasing the container size.

d) Temperature decreases while maintaining the container size.

place the above under category of More Effective, Less Effective or Equally Effective.

Expert Solution

queen_honey_blossom answered 1 year ago

The reaction SO2(g)+2H2S(g)←−→3S(s)+2H2O(g) is the basis of a suggested method for removal of SO2 from power-plant...

The reaction SO2(g)+2H2S(g)←−→3S(s)+2H2O(g) is the basis of a suggested method for removal of SO2 from power-plant stack gases. The standard free energy of each substance are ΔG∘fS(s) = 0 kJ/mol, ΔG∘fH2O(g) = -228.57 kJ/mol, ΔG∘fSO2(g) = -300.4 kJ/mol, ΔG∘fH2S(g) = -33.01 kJ/mol. C) If PSO2 = PH2S and the vapor pressure of water is 20 torr , calculate the equilibrium SO2 pressure in the system at 298 K.

The reaction SO2(g)+2H2S(g)←→3S(s)+2H2O(g) is the basis of a suggested method for removal of SO2from power-plant stack...

The reaction SO2(g)+2H2S(g)←→3S(s)+2H2O(g) is the basis of a suggested method for removal of SO2from power-plant stack gases. The standard free energy of each substance are ΔG∘fS(s) = 0 kJ/mol, ΔG∘fH2O(g) = -228.57 kJ/mol, ΔG∘fSO2(g) = -300.4 kJ/mol, ΔG∘fH2S(g) = -33.01 kJ/mol. If PSO2 = PH2S and the vapor pressure of water is 20 torr , calculate the equilibrium SO2 pressure in the system at 298 K.

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