A pollutant in smog is nitrogen dioxide, NO₂. The gas has a reddish brown color and is responsible for the red-brown color associated with this type of air pollution. Nitrogen dioxide is also a contributor to acid rain because when rain passes through air contaminated with NO2, it dissolves and undergoes the following reaction: 3NO2(g) + H₂O → NO(g) + 2H*(aq) + 2NO3(aq). In this reaction, which element is reduced and which is oxidized? OH is both reduced and oxidized. OO is oxidized and H is reduced. O is oxidized and N is reduced. ON is both reduced and oxidized. ON is oxidized and H is reduced. ON is oxidized and O is reduced.

A pollutant in smog is nitrogen dioxide, NO₂. The gas has a reddish brown color and is responsible for the red-brown color associated with this type of air pollution. Nitrogen dioxide is also a contributor to acid rain because when rain passes through air contaminated with NO2, it dissolves and undergoes the following reaction: 3NO2(g) + H₂O → NO(g) + 2H*(aq) + 2NO3(aq). In this reaction, which element is reduced and which is oxidized? OH is both reduced and oxidized. OO is oxidized and H is reduced. O is oxidized and N is reduced. ON is both reduced and oxidized. ON is oxidized and H is reduced. ON is oxidized and O is reduced.

Chemistry: The Molecular Science

5th Edition

ISBN:9781285199047

Author:John W. Moore, Conrad L. Stanitski

Publisher:John W. Moore, Conrad L. Stanitski

Chapter14: Acids And Bases

Section: Chapter Questions

Problem 101QRT

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Sodium hydrogen carbonate NaHCO3 , also known as sodium bicarbonate or "baking soda", can be used to relieve acid indigestion. Acid indigestion is the burning sensation you get in your stomach when it contains too much hydrochloric acid HCl , which the stomach secretes to help digest food. Drinking a glass of water containing dissolved NaHCO3 neutralizes excess HCl through this reaction: HCl (aq) + NaHCO3 (aq) → NaCl (aq) + H2O (l) + CO2 (g)The CO2 gas produced is what makes you burp after drinking the solution. Suppose the fluid in the stomach of a woman suffering from indigestion can be considered to be 150.mL of a 0.053 M HCl solution. What mass of NaHCO3 would she need to ingest to neutralize this much HCl ? Be sure your answer has the correct number of significant digits.
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