We’re being asked to determine the standard enthalpy change of reaction. Recall that ΔH˚rxn can be calculated from the enthalpy of formation (ΔH˚f) of the reactants and products involved:
We’re given the ΔH˚f for each species. The chemical equation for that reaction is:
3 NO2(g) + H2O(l) → 2 HNO3 (aq) + NO (g)
This equation is already balanced.
Given the data in the table below, ΔH°rxn for the following reaction is __________ kJ.
3NO2(g) + H2O(l) → 2HNO3 (aq) + NO (g)
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What scientific concept do you need to know in order to solve this problem?
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