Question

Calculate the volume of air containing 21% oxygen by volume at STP, required in order to convert 294cm³ of sulphur dioxide to sulphur trioxide under the same conditions(FIITJEE Question).
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Answer 1

Step-by-step explanation:

Sulfur dioxide, SO2(g), can react with oxygen to produce sulfur trioxide, SO3(g), by the following reaction

2SO2(g) + O2(g) -> 2SO3(g)

The standard enthalpies of formation for SO2(g) and SO3(g) are

Delta H ( SO2 (g) ) = -296.8 KJ/Mol

Delata H ( SO3 (g) = -395.7 Kg?mol

Calculate the amount of energy in the form of heat that is produced when a volume of 1.25 L of SO2(g) is converted to 1.25 L of SO3(g) according to this process at a constant pressure and temperature of 1.00 atm and 25.0

Answer 2

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