33. Nitric acid, HNO3, was first prepared 1200 years ago by heating naturally occurring sodium nitrate (called saltpeter) with sulfuric acid to produce sodium bisulfate and collecting the vapors of HNO3 produced as shown in the reaction below. Calculate AH® rxn for this reaction given: AH°¡[NaNO3(s)] = -467.8 kJ/mol AH°¡[NaHSO4(s)] = -1125.5 kJ/mol AH°¡[H2SO4(1)] = -814.0 kJ/mol AH°¡[HNO3(g)] = -135.1 kJ/mol. %3D %3D NaNO3(s) + H2SO4(1) => NaHSO4(s) + HNO3(g) a. 21.2 kJ b. -21.2 kJ C. -644.2 kJ d. 644.2 kJ e. -1606.8 kJ

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Chapter16: Thermodynamics
Section: Chapter Questions
Problem 56E: Nitric acid, HNO3, can be prepared by the following sequence of reactions:...
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33. Nitric acid, HNO3, was first prepared 1200 years ago by heating naturally occurring
sodium nitrate (called saltpeter) with sulfuric acid to produce sodium bisulfate and
collecting the vapors of HNO3 produced as shown in the reaction below. Calculate
AH® rxn for this reaction given:
AH°¡[NaNO3(s)] = -467.8 kJ/mol
AH°¡[NaHSO4(s)] = -1125.5 kJ/mol
AH°¡[H2SO4(1)] = -814.0 kJ/mol
AH°¡[HNO3(g)] = -135.1 kJ/mol.
%3D
%3D
NaNO3(s) + H2SO4(1) => NaHSO4(s) + HNO3(g)
a. 21.2 kJ
b. -21.2 kJ
C. -644.2 kJ
d. 644.2 kJ
e. -1606.8 kJ
Transcribed Image Text:33. Nitric acid, HNO3, was first prepared 1200 years ago by heating naturally occurring sodium nitrate (called saltpeter) with sulfuric acid to produce sodium bisulfate and collecting the vapors of HNO3 produced as shown in the reaction below. Calculate AH® rxn for this reaction given: AH°¡[NaNO3(s)] = -467.8 kJ/mol AH°¡[NaHSO4(s)] = -1125.5 kJ/mol AH°¡[H2SO4(1)] = -814.0 kJ/mol AH°¡[HNO3(g)] = -135.1 kJ/mol. %3D %3D NaNO3(s) + H2SO4(1) => NaHSO4(s) + HNO3(g) a. 21.2 kJ b. -21.2 kJ C. -644.2 kJ d. 644.2 kJ e. -1606.8 kJ
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