Question #193707

Calculate Me

Given the thermochemical equation

2SO2(g) + O2 SO3(g) ---> ∆H= -198.2 kJ/mol

Calculate the heat evolved when 87.9 g of SO2 (molar mass 64.07 g/mol) is convertedto SO3.

Expert's answer

The conversion of 87.9g (1 mole) of SO₂ to SO₃ involves -198.2 kJ/mol of heat

Heat evolved when 87.9g of SO₂ in converted to SO₃ is given by:

=(-198.2)×

=

**Therefore the heat evolved is **

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