CAMPBELL BIOLOGY MOD MASTERING (18 WEEK)
12th Edition
ISBN: 9780136920335
Author: Urry
Publisher: PEARSON
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Textbook Question
Chapter 3.1, Problem 2CC
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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WHAT IF? Given a liter of pure water and a liter solution of acetic acid, what would happen to the pH, ingeneral, if you added 0.01 mol of a strong acid to each?Use the reaction from question 3 to explain the result.
(b) Explain each of the following in terms of the properties of water. You are not limited to the three properties discussed in part (a):
•the role of water as a medium for the metabolic processes of cells
the ability of water to moderate temperature within living organisms and in organisms' environment
• the movement of water from the roots to the leaves of plants
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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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Chapter 3 Solutions
CAMPBELL BIOLOGY MOD MASTERING (18 WEEK)
Ch. 3.1 - MAKE CONNECTIONS What is electronegativity, and...Ch. 3.1 - WHAT IF? What would be the effect on the...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 - Explain what happens to the concentration...Ch. 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 - MAKE CONNECTIONS What do climate change (see...Ch. 3 - EVOLUTION CONNECTION This chapter explains how the...Ch. 3 - Prob. 10TYUCh. 3 - WRITE ABOUT A THEME: ORGANIZATION Several emergent...Ch. 3 - SYNTHESIZE YOUR KNOWLEDGE How do cats drink?...
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- (b) Explain each of the following in terms of the properties of water. You are not limited to the three properties discussed in part (a): • the role of water as a medium for the metabolic processes of cells • the ability of water to moderate temperature within living organisms and in organisms' environment • the movement of water from the roots to the leaves of plants B IU x2 X, 5 ¢ Ω 0/10000 Word Limitarrow_forward(b) Explain each of the following in terms of the properties of water. You are not limited to the three properties discussed in part (a): • the role of water as a medium for the metabolic processes of cells • the ability of water to moderate temperature within living organisms and in organisms' environment • the movement of water from the roots to the leaves of plants B IU 0/1arrow_forward* Calculate the Molarity of solution have 20 g of Glucose sugar C12H22012 Dissolved in 125 g of water and the density of the solution Was 1.02 g/ml? If you know molar weight (C=12, O=16, H=1) O 0.412 M 0.401 M O 0.392 Marrow_forward
- Enter be balanced equation for the ionization of butanoic acid, carboxylic acid, in water. Express your answer as a chemical equation without phases.arrow_forwardThe structure below shows a tripeptide at physiological pH with the protonatable groups labeled with their corresponding pKa's. pKa -4.1 в pka -10 H3N pKa -2 A pKa -3.7 ö pKa -10.7 NH3 What is the isoelectric point of this tripeptide?arrow_forwardWhy is it unlikely that two neighboring water moleculeswould be arranged like this?H HH HO Oarrow_forward
- 1.0 oxygen saturation (Y) 0.8 0.6 0.4 0.2 0.0 0 20 40 60 blood pO₂ (torr) 80 100 120 for this picture where would be the effects of excess protons be drawn?and what's the effect on pH? in between the 2 shown curves and higher pH to the far right of both curves and lower pH to the far right of both curves and higher pH in between the 2 shown curves and lower pHarrow_forwardYuhuuu solvearrow_forwardGive answer last two questions with explanationarrow_forward
- Examine the chemical equation below, and label each reactant and product. (which is a reactant and product) H2O + CO2 ⇋ H2CO3 ⇋ HCO3- + H+ If you are blowing CO2 from your lung into a water solution, will it make the solution more acidic or basic?arrow_forwardWhich share the stronger London force interactions, two CH3CH2CH2CH2CH3 molecules or two CH3CH2CH2CH2 CH2CH2CH2CH3 molecules? Explain. True or false? A bent molecular shape always has a bond angle of 110°. Explain. Do hydrogen bonds form between formaldehyde molecules? (CH2 O) Explainarrow_forwardA concept map for four types of intermolecular forces and a certain type of bond is shown.Compare the relative strength of the two forces C and D. Explain how you determined this comparison by identifying the forces.arrow_forward
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