Asked by Auhood

How much heat is evolved when 320 g of SO2 is burned according to the chemical equation shown below? 2 SO2(g) + O2(g) ----> 2 SO3(g) ΔHorxn = -198 kJ
Answered by DrBob222
So 2*64 g SO2 or 128 grams (two moles SO2) evolve 198 kJ, how much heat do we get from 320 g SO2.
That's dH = 198 kJ x (320/128) = ? kJ
Answered by JJ
49.5
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