Biology 2e
2nd Edition
ISBN: 9781947172517
Author: Matthew Douglas, Jung Choi, Mary Ann Clark
Publisher: OpenStax
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Textbook Question
Chapter 2, Problem 11RQ
Which of the following statements is true?
- Acids and bases cannot mix together
- Acids and bases will neutralize each other
- Acids, but not bases, can change the pH of a solution
- Acids donate hydroxide ions (OH-); bases donate hydrogen ions (H+).
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Which of the following match buffer solution:A- Consists of a mixture of a weak acid and its conjugate baseB- Can resist change in pH when small to moderate amounts of weak acid or weak base is addedC- Can resist change in pH when large amounts of strong acid or strong base are addedD- Consists of a mixture of a strong acid & its conjugate baseE- Can resist change in pH when small to moderate amounts of weak acid or strong base are added
Which of the following has the compounds shown in the correct order of decreasing acidity (i.e., more acidic
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OH
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3 > 21
1>3>2
1 2 3
ΝΗΣ
2
3
Which of the following statements about pH is (are) true:
pH is a measure of free hydrogen ion concentration
none of these are true
both of these are true
An increase in hydrogen ion concentration means a decrease in pH scale units
Chapter 2 Solutions
Biology 2e
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Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, biology and related others by exploring similar questions and additional content below.Similar questions
- When dissolved in water, a(n) _____ donates H+ and a(n) ______ accepts H+. a. acid; base b. base; acid c. buffer; solute d. base; bufferarrow_forwardA buffer donates OH- ions when conditions become too basic and accepts OH- ions when conditions become too acidic. is an acid that is used to offset overly basic conditions in the body. donates H+ ions when conditions become too basic and accepts H+ ions when conditions become too acidic. is a base that is used to offset overly acidic conditions in the body.arrow_forwardThe pH of a solution is an abbreviation conveying what information about that solution? A solution with a pH less than 7 is ;a solution with a pH greater than 7 isarrow_forward
- Pure water has a pH of 7, the point at which the concentrations of hydrogen ions and hydroxide ions are equal and water is considered to have neutral pH. If an acid is added to water, the pH value because the acid releases goes up above 7 ; hydrogen ions goes down below 7; hydrogen ions goes up above 7; hydroxide ions goes down below 7 ; hydroxide ionsarrow_forwardSpecify whether each condition would result in increasing or decreasing acidity by dragging each label into the appropriate box. Labels Drop Zones Reset All Adding 1M Ht to a Increases Acidity (1/2) Decreases Acidity solution (2/2) Adding 1M H to a solution while simultaneously adding 2M (-OH) Removing H* Decreasing pH Adding base Adding 1M (OH) to a solution Removing acidarrow_forwardWhen comparing pH, a solution with a pH of 5 contains 100 times the amount of H+ when compared to a solution with a pH of 7.arrow_forward
- Which pH value indicates a solution that has more hydrogen ions that hydroxide ions? pH 9 pH 4 pH 7arrow_forwardA can of soda consists mostly of sugar dissolved in water, with some carbon dioxide gas that makes it fizzy and makes the pH less than 7. In chemical terms, you could say that soda is an aqueous solution where water is the, sugar is the solute.solvent solvent.solute who knows?arrow_forwardDefine the following terms:a. acidb. basea. weak acidd. weak basee. conjugate basearrow_forward
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