Nitric acid, which is among the top 15 chemicals produced in the United States, was first prepared over 1200 years ago by heating naturally occurring sodium nitrate (called saltpeter) with sulfuric acid and collecting the vapors produced. Calculate AH° rxn for this reaction. AH [NaNO3(s)] = -467.8 kJ/mol; AH° [NaHSO4(s)]=-1125.5 kJ/mol; AH°f [H₂SO4()=-814.0 kJ/mol; AH [HNO3(g)] = -135.1 kJ/mol NaNO3(s) + H₂SO4()→ NaHSO4(s) + HNO3(g)

Introduction to Chemical Engineering Thermodynamics
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Author:J.M. Smith Termodinamica en ingenieria quimica, Hendrick C Van Ness, Michael Abbott, Mark Swihart
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Nitric acid, which is among the top 15 chemicals produced in the United States, was first
prepared over 1200 years ago by heating naturally occurring sodium nitrate (called
saltpeter) with sulfuric acid and collecting the vapors produced. Calculate AH°rxn for this
reaction. AH°r [NANO3(s)] = -467.8 kJ/mol; AH°r [NaHSO«(s)] = -1125.5 kJ/mol; AH°r
[H2SO4(I) = -814.0 kJ/mol; AH°r [HNO3(g)] = -135.1 kJ/mol
NANO3(s) + HSO4(1) → NaHSO:(8) + HNO:(g)
Transcribed Image Text:Nitric acid, which is among the top 15 chemicals produced in the United States, was first prepared over 1200 years ago by heating naturally occurring sodium nitrate (called saltpeter) with sulfuric acid and collecting the vapors produced. Calculate AH°rxn for this reaction. AH°r [NANO3(s)] = -467.8 kJ/mol; AH°r [NaHSO«(s)] = -1125.5 kJ/mol; AH°r [H2SO4(I) = -814.0 kJ/mol; AH°r [HNO3(g)] = -135.1 kJ/mol NANO3(s) + HSO4(1) → NaHSO:(8) + HNO:(g)
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