Problem: Nitrogen dioxide, a pollutant in the atmosphere, can combine with water to form nitric acid. One of the possible reactions is shown below.Part ACalculate ΔG° for this reaction at 25 °C.3 NO2(g) + H2O(l )→ 2 HNO3(aq) + NO(g)Part BCalculate Kp for this reaction at 25 ∘C.Part CComment on the spontaneity of the reaction.The reaction is spontaneous.The reaction is nonspontaneous.

FREE Expert Solution

We are asked to Calculate ΔG° for this reaction at 25 °C. 3 NO2(g) + H2O()→ 2 HNO3(aq) + NO(g)


Use the equation below to calculate ΔG° for this reaction:

G°rxn = G°f, products - G°f, reactants


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Problem Details

Nitrogen dioxide, a pollutant in the atmosphere, can combine with water to form nitric acid. One of the possible reactions is shown below.


Part A

Calculate ΔG° for this reaction at 25 °C.
3 NO2(g) + H2O()→ 2 HNO3(aq) + NO(g)


Part B

Calculate Kp for this reaction at 25 ∘C.


Part C

Comment on the spontaneity of the reaction.

The reaction is spontaneous.

The reaction is nonspontaneous.

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