Campbell Biology, Books a la Carte Plus Mastering Biology with eText -- Access Card Package (10th Edition)
10th Edition
ISBN: 9780133922851
Author: Jane B. Reece, Lisa A. Urry, Michael L. Cain, Steven A. Wasserman, Peter V. Minorsky, Robert B. Jackson
Publisher: PEARSON
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Textbook Question
Chapter 3.1, Problem 3CC
WHAT IF? Ø What would be the effect on the properties of the water molecule if oxygen and hydrogen had equal electronegativity?
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Which is true of electronegativity?
O if two elements have the same electronegativity, they will form a polar covalent bond
the closer an element is to octet/duet, the weaker its electronegativity
O if two elements have the same clectronegativity, they cannot form a polar covalent bond
O a polar molecule can only form if it is made cntircly of clements with identical clectronegativ
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Water molecules stay close to each other as a result of existence of hydrogen bonds. Collectively,
hydrogen bonds hold the substance together, this phenomenon is called cohesion
The clinging
of one substance to another, which is called adhesion
also plays a role. In this way, adhesion of
water tırough hydrogen bonds to the molecules, which comprise the villi on the cat's tongue, helps
counter the downward pull of gravity. As a result, such a phenomenon as adhesion helps drops of
water stay whole and attached to each other. At the same time, cohesion allows drops to be
transported…
How do cats drink? Scientists using high-speed video have shown that cats use an interesting technique to drink substances water and Four times a second, the cal touches the tip of its tongue the water and draws a column of water up into its mouthbefore pull the water back down. Describe how the properties of water allow cats to drink in this including how water's molecular structure contributes to the process Match the terms in the left column to the appropriate blanks in the sentences on the right. Terms can be used once, more than once, or not at
Chapter 3 Solutions
Campbell Biology, Books a la Carte Plus Mastering Biology with eText -- Access Card Package (10th Edition)
Ch. 3.1 - MAKE CONNECTIONS What is electronegativity, and...Ch. 3.1 - Why is it unlikely that two neighboring water...Ch. 3.1 - WHAT IF? What would be the effect on the...Ch. 3.2 - Prob. 1CCCh. 3.2 - Prob. 2CCCh. 3.2 - WHAT IF? A water strider (an insect that can walk...Ch. 3.2 - WHAT IF? A water strider (an insect that can walk...Ch. 3.2 - Prob. 5CCCh. 3.3 - Compared with a basic Solution at pH 9, the same...Ch. 3.3 - HCl is a strong acid that dissociates in water:...
Ch. 3.3 - Prob. 3CCCh. 3.3 - Prob. 4CCCh. 3 - DRAW IT Label a hydrogen bond and a polar...Ch. 3 - Describe how different types of solutes dissolve...Ch. 3 - Prob. 3.3CRCh. 3 - Which of the following is a hydrophobic material?...Ch. 3 - Prob. 2TYUCh. 3 - Measurements show that the pH of a particuiar lake...Ch. 3 - What is the hydroxide ion concentration of the...Ch. 3 - A slice of pizza has 500 kcal. If we could burn...Ch. 3 - DRAW IT Draw the hydration shells that form around...Ch. 3 - In agricultural areas, farmers pay close attention...Ch. 3 - EVOLUTION CONNECTION This chapter explains how the...Ch. 3 - Prob. 9TYUCh. 3 - WRITE ABOUT A THEME: ORGANIZATION Several emergent...Ch. 3 - SYNTHESIZE YOUR KNOWLEDGE How do cats drink?...
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