Answer to Question #229104 in General Chemistry for Mickayla Ennis

Question #229104

Nitric acid has been made for hundreds of years since its discovery about 1100. The reaction is: NaNO3 + H2SO4 → HNO3 + NaHSO4 Calculate the Δ  rxn for the reaction. Δ  f [NaNO3(s)] = -467kJ/mol; Δ   f [H2SO4(l)] = -814 kJ/mol; 

Δ   f [HNO3(l)] = -174 kJ/mol; 

Δ   f [NaHSO4(s)] = -1126 kJ/mol;

  1. -19 kJ
  2. -2581 kJ
  3. 19 kJ
  4. 329 kJ
1
Expert's answer
2021-08-26T07:16:42-0400

1. -19 kJ

ΔH∘rxn=ΔH∘f(products)−ΔH∘f(reactants).

(-1126 + -174) - (-467+-814)

= -19kJ


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