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Chemisty

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Given the data in the table below, ∆Horxn for the reaction



3NO2(g) + H2O(l) → 2HNO3(aq) + 3NO(g)

is __________ kJ.



Substance


∆Horxn (kJ/mol)

H2O(l)= -286

NO(g)= 90.0

NO2(g)= 34.0

HNO3(aq)= -207

NH3(g)= -46.0

A) -140
B) -508
C) -64
D) 140
E) 64

  • Chemisty -

    dHrxn = (n*dHproducts) - (n*dHreactants)

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