Sulfur dioxide is used to make sulfuric acid. One method of producing it is by roasting mineral sulfides, for example,
FeS₂(s) + O₂(g) →Δ SO₂(g) + Fe₂O₃ { unbalanced ] A production error leads to the sulfide being placed in a 950-L vessel with insufficient oxygen. Initially, the partial pressure of O₂ is 0.64 atm, and the total pressure is 1.05 atm, with the balance due to N₂. The reaction is run until 85% of the O₂ is consumed, and the vessel is then cooled to its initial temperature. What is the total pressure in the vessel and the partial pressure of each gas in it?

An easy example of strain can be visible by keeping a knife to a bit of fruit. in case you preserve the flat part of the knife against the fruit, it won't cut the floor. The force is spread out of a large location (low pressure).

Pressure is the physical quantity of force spread over a certain location. In other words, strain is pressure in step with the unit place. if you take the amount of force being applied on a frame and divide it by the place of touch, you'll arrive at the pressure being carried out on the frame.

Stress is the bodily pressure implemented on an object in the perpendicular direction to the surface of its unit area. Its basic formulation is dividing the force with the aid of the region of the surface. Its unit of dimension is Pascal (Pa).

Balanced equation,

4FeS2(s) + 11O2(g) ---> 8SO2(g) + 2Fe2O3(s)

Initial O2 pressure = 0.53 atm

85% of it reacted, that is = 0.85 x 0.53 = 0.45 atm

Remaining O2 = 0.15 x 0.53 = 0.08 atm

N2 initial pressure = 1.05 - 0.53 = 0.52 atm remains unchanged

SO2 pressure = 0.45 x 8/11 = 0.33 atm

Total pressure = 0.08 + 0.52 + 0.33 = 0.93 atm

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