Chemistry & Chemical Reactivity

10th Edition
John C. Kotz + 3 others
Publisher: Cengage Learning
ISBN: 9781337399074

Chemistry & Chemical Reactivity

10th Edition
John C. Kotz + 3 others
Publisher: Cengage Learning
ISBN: 9781337399074


Chapter 20, Problem 38PS
Textbook Problem

What is the correlation between ocean pH and atmospheric CO2?

  1. (a) As CO2 increases, the pH decreases.
  2. (b) As CO2 increases, the pH also increases.
  3. (c) As CO2 increases, the pH does not change.

Expert Solution
Interpretation Introduction

Interpretation: The correlation between ocean pH and atmospheric CO2 has to be identified from the given statements.

Concept introduction:

Ocean acidification: The increase in concentration of carbon-dioxide in the atmosphere leads to ocean acidification. The amount is increasing day by day and this increase will lead to higher concentrations of dissolved CO2 and as a result the amount of carbonic acid also will be higher.

The concentration of hydronium ion is a key factor for many biochemical reactions. So variation may affect the organisms in the oceans.

Explanation of Solution

Reason for the correct answer:

Ocean acidification is the phenomenon in which pH is decreased due to the increase in amount of CO2. This increase in acidity may affect various marine organisms since the concentration of hydronium ion is important for their biochemical reactions.

The pH of the oceans and lakes will be decreased as the concentration of CO2 increases and the concentration of carbonate ion decreased.

The relationship between ocean pH and atmospheric CO2 is that they are inversely proportional

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Chapter 20 Solutions

Chemistry & Chemical Reactivity
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