Campbell Biology: Concepts & Connections (8th Edition)
8th Edition
ISBN: 9780321885326
Author: Jane B. Reece, Martha R. Taylor, Eric J. Simon, Jean L. Dickey, Kelly A. Hogan
Publisher: PEARSON
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Textbook Question
Chapter 2, Problem 5TYK
Most of the unique properties of water result from the fact that water molecules
a. are the most abundant molecules on Earth’s surface.
b. are held together by covalent bonds.
c. are constantly in motion.
d. are polar and form hydrogen bonds.
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Water molecules have one oxygen atom that is more electronegative than the two hydrogen atoms bound to it. As a result, which type of bonding hold water molecules together
a. non-popular covalent bonding
b. polar covalent bonding
c.ionic bonding
d.hydriohocic
List down 5 chemical properties of water that makes it an indispensable compound for life. Select one property and explain in your own words its importance. a. ________________b. ________________c. ________________d. ________________e. ________________
Which of the following statements about chemicalbonds is true?a. Covalent bonds are stronger than ionic bonds.b. Hydrogen bonds occur between two atoms ofhydrogen.c. Bonding readily occurs between nonpolar andpolar molecules.d. A molecule of water is unlikely to bond with anion.
Chapter 2 Solutions
Campbell Biology: Concepts & Connections (8th Edition)
Ch. 2 - Fill in the blanks in this concept map to help you...Ch. 2 - Create a concept map to organize your...Ch. 2 - Changing the _____ would change it into an atom of...Ch. 2 - A solution at pH 6 contains _____H+ than the same...Ch. 2 - Most of the unique properties of water result from...Ch. 2 - A can of cola consists mostly of sugar dissolved...Ch. 2 - Prob. 7TYKCh. 2 - In what way does the need for iodine or iron in...Ch. 2 - Use carbon-12, the most common isotope of carbon,...Ch. 2 - In terms of electron sharing between atoms,...
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- Manufacturers make carbonated drinks by forcing pressurized carbon dioxide gas into flavored water. A chemical reaction between water molecules and some of the CO2 molecules creates hydrogen ions (H+) and bicarbonate, which is a buffer. In your opinion, is this reaction likely to raise the pH of a soda above 7, or lower it? Give your reasoning.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_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 atom in Earth’s atmosphere.arrow_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_forwardThe type of bonding that happens between atoms within a water molecule is which of the following? a. Polar covalent bonding b.ionic bonding c. Non polar covalent bonding d. Hydrogen bondingarrow_forwardWhich statement is false? A. Elements are found in compounds and molecules B. compounds are made of elements C. a molecule must be made of at least two atoms D. chemical bonds form between molecules of solute and solvent E. two atoms of oxygen make a molecule of oxygenarrow_forward
- In a water molecule, hydrogens are partially _____; oxygens are partially _____.arrow_forwardWhich of the following are properties of water that make itimportant for living cells?(a) It is a polar molecule that can form solutions.(b) It has high surface tension.(c) It has a high specific heat.(d) It can participate in dehydration and hydrolysisreactions.(e) All of the above.arrow_forwardExplain in detail why water molecules are polar. Your explanation can be as long as you wish. Your answer must be in your own words. Your answer must include the following terms: Polar, polar covalent bonds, electronegativity, oxygen, hydrogen, partial positive, partial negartive, electrons.arrow_forward
- Which of the four emergent properties of water is the most important one for supporting life on earth? Support your argument.arrow_forwardThe partial negative charge at one end of a water molecule is attracted to the partial positive charge of another water molecule. What is this attraction called? (a) a hydrogen bond (b) a van der Waals interaction (c) an ionic bond (d) a covalent bond (e) a hydrophilic bondarrow_forwardThis occurs when the cations and anions are attracted to the positive and negative ends of water molecules: A. ionic bonding B. dissociation C. covalent bonding D. hydrogen bondingarrow_forward
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