Background info to assure you know why is pH important to biology: Most cells can only survive within a certain range of pH. For example, human blood has a pH of about 7.2, which is slightly basic. Any higher or lower and the blood cells would be injured or killed. So you could say that a healthy person's blood has a pH range or 7.2 to 6.9. Acids denature, or change the shape of proteins in much the same way heat does. As a matter of fact, strong acids like vinegar and lemon juice can be used to actually cook meats like fish and eggs. Seviche is a dish made by mixing raw fish and lime juice and letting it sit for a few hours. Acids are used by your digestive system to break down food molecules into simpler monomers. Bases cause oils and fats to fall apart. Your digestive system uses bile, a basic compound to help in the digestion of fats and grease. Oven cleaners and drain cleaners contain lye, a strong base that dissolves baked on grease and burned fats. 5) What sould happen to a cell if placed in an environment too acidic or too basic? 6) Predict what the pH value of blood is. Now check your thinking to see if you can apply pH understanding: 7) A student mixes strawberry koolaid and water. A pH indicator is used to measure pH of 5.4. What type of solution would strawberry Koolaid be classified?
Background info to assure you know why is pH important to biology: Most cells can only survive within a certain range of pH. For example, human blood has a pH of about 7.2, which is slightly basic. Any higher or lower and the blood cells would be injured or killed. So you could say that a healthy person's blood has a pH range or 7.2 to 6.9. Acids denature, or change the shape of proteins in much the same way heat does. As a matter of fact, strong acids like vinegar and lemon juice can be used to actually cook meats like fish and eggs. Seviche is a dish made by mixing raw fish and lime juice and letting it sit for a few hours. Acids are used by your digestive system to break down food molecules into simpler monomers. Bases cause oils and fats to fall apart. Your digestive system uses bile, a basic compound to help in the digestion of fats and grease. Oven cleaners and drain cleaners contain lye, a strong base that dissolves baked on grease and burned fats. 5) What sould happen to a cell if placed in an environment too acidic or too basic? 6) Predict what the pH value of blood is. Now check your thinking to see if you can apply pH understanding: 7) A student mixes strawberry koolaid and water. A pH indicator is used to measure pH of 5.4. What type of solution would strawberry Koolaid be classified?
Chemistry
10th Edition
ISBN:9781305957404
Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Chapter14: Acids And Bases
Section: Chapter Questions
Problem 9RQ: What is a salt? List some anions that behave as weak bases in water. List some anions that have no...
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Question
Transcribed Image Text:something that shows the pH of a solution ( usually by changing colors)
Background info to assure you know why is pH important to biology:
Most cells can only survive within a certain range of pH. For example, human blood has a pH of
about 7.2, which is slightly basic. Any higher or lower and the blood cells would be injured or killed. So
you could say that a healthy person's blood has a pH range or 7.2 to 6.9.
Acids denature, or change the shape of proteins in much the same way heat does. As a matter of
fact, strong acids like vinegar and lemon juice can be used to actually cook meats like fish and eggs.
Seviche is a dish made by mixing raw fish and lime juice and letting it sit for a few hours. Acids are used
by your digestive system to break down food molecules into simpler monomers.
Bases cause oils and fats to fall apart. Your digestive system uses bile, a basic compound to help in
the digestion of fats and grease. Oven cleaners and drain cleaners contain lye, a strong base that
dissolves baked on grease and burned fats.
5) What sould happen to a cell if placed in an environment too acidic or too basic?
6) Predict what the pH value of blood is.
Now check your thinking to see if you can apply pH understanding:
7) A student mixes strawberry koolaid and water. A pH indicator is used to measure pH of 5.4. What
type of solution would strawberry Koolaid be classified?
8) In the above koolaid mixture, what must there be more of, hydrogen ions or hydroxide ions?
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