Biology: The Unity and Diversity of Life
15th Edition
ISBN: 9780357093795
Author: STARR
Publisher: CENGAGE LEARNING (CUSTOM)
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Chapter 2, Problem 11SQ
Summary Introduction
Introduction:
Salt is an ionic compound that releases ions other than hydrogen ion and hydroxyl ion when it dissolves in water. It is formed by the neutralization reaction of base and acid.
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Chapter 2 Solutions
Biology: The Unity and Diversity of Life
Ch. 2 - Mercury Emissions by Continent By weight, coal...Ch. 2 - Mercury Emissions by Continent By weight, coal...Ch. 2 - Mercury Emissions by Continent By weight, coal...Ch. 2 - Mercury Emissions by Continent By weight, coal...Ch. 2 - What atom has only one proton? a. hydrogen b. an...Ch. 2 - A molecule into which a radioisotope has been...Ch. 2 - Prob. 3SQCh. 2 - Prob. 4SQCh. 2 - All ions have at least one ________ (select all...Ch. 2 - Rank the following chemical bonds in order of...
Ch. 2 - The measure of an atoms ability to pull electrons...Ch. 2 - The mutual attraction of opposite charges holds...Ch. 2 - Atoms share electrons unequally in a(n) ________...Ch. 2 - A(n) ________ substance repels water. a. acidic b....Ch. 2 - Prob. 11SQCh. 2 - Prob. 12SQCh. 2 - When dissolved in water, a(n) ________ donates H+;...Ch. 2 - A ________ can help keep the pH of a solution...Ch. 2 - Prob. 15SQCh. 2 - Match the terms with their most suitable...Ch. 2 - Alchemists were medieval scholars and philosophers...Ch. 2 - Draw a shell model of a lithium atom (Li), which...Ch. 2 - Polonium is a rare element with 33 radioisotopes....Ch. 2 - Some undiluted acids are not as corrosive as when...
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- A salt does not release __________ in water. a. ions b. energy c. H+arrow_forwardThe pH of lemon juice is about 2.0, whereas tomato juice’s pH is about 4.0. Approximately how much of an increase in hydrogen ion concentration is there between tomato juice and lemon juice? a. 2 times b. 10 times c. 100 times d. 1000 timesarrow_forwardWhich of the following describes a buffer? A. The measure of the amount of hydrogen ions in a liquid B. A set of chemicals that can keep the pH of a solution stable by alternately donating and accepting the ions that contribute to pH C. A substance that releases hydrogen ions in water D. A substance that accepts hydrogen ions in waterarrow_forward
- Mobile phase can be : A) Solid or liquid B) Only solid C) Only gas D) Liquid or gasarrow_forwardToo much table salt, sodium chloride NaCl, is bad for our health. From the effect each of these ions affect the human body, explain why too much salt can cause a person to have high blood pressurearrow_forwardWhich two statement about the substances in this experiment are true? A. Chalk is harder than quartz. B. Isopropyl alcohol boils more easily than vegetable oil. C. Water has a higher surface tension than soapy water. D. Saltwater has a higher surface tension than plain water.arrow_forward
- which of the following is a characteristic of a buffer? a. The pH will go down significantly when H3O+ is added to the buffer b. The pH will go down very slightly when H3O+ is added to the buffer c. The pH will go up significantly when H3O+ is added to the bufferarrow_forwardHydrogen ions (H+) are ________ .a. in blood c. indicated by a pH scaleb. protons d. all of the abovearrow_forwardA pH of 3 is a. basic b. neutral c. acidicd. a bufferarrow_forward
- Water has some very unusual properties. These properties occur because of thea. hydrogen bonds between the individual water molecules.b. covalent bonds between the individual water molecules.c. hydrogen bonds within each individual water molecule.d. ionic bonds between the individual water molecules.arrow_forwardWhich of the following statements is not true? a. Water is polar. b. Water stabilizes temperature. c. Water is essential for life. d. Water is the most abundant molecule in the Earth’s atmosphere.arrow_forwardYou might have noticed that in space exploration, attention is often focused on the presence or absence of water on other planets. What characteristics of water make it as essential for life as we know it on Earth?arrow_forward
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