Post Utme Aaua 2025 Chemistry Question 30
Practice objective / multiple choice question 30 from the 2025 Post Utme Aaua Chemistry examination.
The reaction of nitrogen dioxide with water is a classic example of a redox reaction. The balanced equation for this reaction is: 3NO2 + H2O → HNO3 + 2NO. Calculate the s\tandard enthalpy change (ΔH) for this reaction, given that the s\tandard enthalpy of formation of NO2 is -112 kJ/mol, the s\tandard enthalpy of formation of H2O is -286 kJ/mol, the s\tandard enthalpy of formation of HNO3 is -206 kJ/mol, and the s\tandard enthalpy of formation of NO is 90 kJ/mol.
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This is Post Utme Aaua 2025 Chemistry Question 30. It is one of the objective questions from the 2025 Post Utme Aaua Chemistry examination.
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