b. During combustion, N2 and O, in the air react to make the nasty brown gas NO2

Question

b. During combustion, N2 and O, in the air react to make the nasty brown gas NO2 which is smog. The smog rises up into the atmosphere, combines with water vapo rains down as nitric acid (HNOs) to acidify all the lakes and plants. mbines with water vapor and streams and kill the fish and 02(g) + N2(g) 2NO(g) B. 2N0(g) + O2(g) 2NO2(g) C: NO2(g) + H2O(g) HNO3(aq) + NO(g) Balance reaction C. Calculate the moles of HNO; that form if 2.2 x 104 moles of NO2 rise up into the air and react completely with an unlimited amount of water vapor.

Explanation / Answer

Balanced Reaction C:

3NO2 (g) + H2O (g) -> 2HNO3 (aq) + NO (g)

Moles of HNO3:

2.2 x 10-4 moles of NO2 * (2 moles of HNO3/3 moles of NO2) = 1.467 x 10-4 moles

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