Conceptual Physical Science Explorations
Conceptual Physical Science Explorations
2nd Edition
ISBN: 9780321567918
Author: Paul G. Hewitt, Leslie A. Hewitt, John A Suchocki
Publisher: Addison Wesley
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Textbook Question
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Chapter 21, Problem 9TE

What happens to the pH of water as you blow bubbles into it through a drinking straw?

Expert Solution & Answer
Check Mark
To determine

The effect of blowing bubbles in water on its pH.

Answer to Problem 9TE

The pH of the water decreases after blowing bubbles in it.

Explanation of Solution

When the bubbles are blown in the water using a drinking straw, the carbon dioxide from the human breath goes in the water. The non – metallic oxides are acidic in nature. The acidic carbon dioxide reacts with the water which in turn forms carbonic acid on reaction. As carbonic acid is weak acid which is makes the aerated solution acidic and hence the pH of the neutral water decreases. The acidic content present in the water increases the hydronium ion concentration which is reflected in the pH value of the solution.

Conclusion:

Therefore, the pH of the water decreases after blowing bubbles in it.

Chapter 21 Solutions

Conceptual Physical Science Explorations

Ch. 21 - Prob. 11RQCh. 21 - What is the difference between an oxidizing agent...Ch. 21 - What is electrochemistry?Ch. 21 - What is the prime difference between a battery and...Ch. 21 - What is electrolysis, and how does it differ from...Ch. 21 - Prob. 16RQCh. 21 - Prob. 17RQCh. 21 - What happens to the polarity of oxygen atoms as...Ch. 21 - What do we do to food molecules to obtain energy...Ch. 21 - What gas, when provided in the right...Ch. 21 - Rank the following solutions in order of...Ch. 21 - Prob. 2TCCh. 21 - Review the concept of electronegativity in Section...Ch. 21 - Identify the acid or base behavior of each...Ch. 21 - What happens to the corrosive properties of an...Ch. 21 - Why do we use the pH scale to indicate the acidity...Ch. 21 - Water is formed from the reaction between an acid...Ch. 21 - What happens to the pH of an acidic solution as...Ch. 21 - Prob. 6TECh. 21 - Pour vinegar onto beach sand from the Caribbean...Ch. 21 - Prob. 8TECh. 21 - What happens to the pH of water as you blow...Ch. 21 - Prob. 10TECh. 21 - Prob. 11TECh. 21 - What element behaves as the oxidizing agent in the...Ch. 21 - The type of iron that the human body needs for...Ch. 21 - Water is 88.88 oxygen by mass. Oxygen is exactly...Ch. 21 - Prob. 15TECh. 21 - Prob. 16TECh. 21 - As we digest and subsequently metabolize food, is...Ch. 21 - How is suspended animation similar to death? How...Ch. 21 - Are hydrogen sulfide, H2S and oxygen, O2 ,...Ch. 21 - Assuming the technique of suspended animation was...Ch. 21 - Show that the pH of a solution is 10 when the...Ch. 21 - When the hydronium ion concentration of a solution...Ch. 21 - Prob. 3TSCh. 21 - Show that the pH of a solution is 0.301 when its...Ch. 21 - What is the relationship between the hydroxide ion...Ch. 21 - Water is formed from the reaction of an acid and a...Ch. 21 - What happens to the corrosive properties of an...Ch. 21 - Why do we use the pH scale to indicate the acidity...Ch. 21 - Prob. 5RATCh. 21 - When the hydronium ion concentration equals 1M ,...Ch. 21 - What element is oxidized in the following equation...Ch. 21 - What is the purpose of the salt bridge in Figure...Ch. 21 - Why does a battery that has thick zinc walls last...Ch. 21 - How does an atoms electronegativity relate to its...

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