02-11-2022
Chemistry

Answered

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

2SO2(g)+O2(g)⟶2SO3(g)

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

Δ∘f[SO2(g)]=−296.8 kJ/mol

Δ∘f[SO3(g)]=−395.7 kJ/mol

Calculate the amount of energy in the form of heat that is produced when a volume of 2.04 L of SO2(g) is converted to 2.04 L of SO3(g) according to this process at a constant pressure and temperature of 1.00 bar and 25.0 °C . Assume ideal gas behavior.

Answer :

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