CAMPBELL BIOLOGY MOD MASTERING (18 WEEK)
12th Edition
ISBN: 9780136920335
Author: Urry
Publisher: PEARSON
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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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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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peed video have shown that cats use an interesting technique to drink aqueous substances like water and milk. Four times
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w cats to drink in this fashion, including how water's molecular structure contributes to the process.
e appropriate blanks in the sentences on the right. Terms can be used once, more than once, or not at all.
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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…
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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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
- 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 atarrow_forwardSimplified diagrams of macromolecules are given. What is the function of the molecule of diagram C? ос-с-с-с-с-с О-с-с-с-С-С-с б-с-с-с-с-С-С (d) (c) A Store energy for future use. B Carry genetic information. C Act as an enzyme in chemical reactions. D Provide "quick energy' for cells. C)arrow_forward4. a. What is the abbreviated name for the molecule below? (3 letters) What is the abbreviated name of this molecule if it has two phosphates? is the abbreviated name of this molecule if it has one phosphate? answers above, circle the form of the molecule that has the most energy. What type of energy is in this molecule? circle all that apply:(KINETIC / POTENTIAL / CHEMICAL) Where is the energy? b. Identify the three main parts of this molecule. (write on the red brackets i-iii) c. Parts ii and iii together make i. NH₂ N Bas OH OH ii d. This molecule is also a monomer building block of which biomolecule (be specific) The general name for this type of monomer is a e. Put arrows by the two high energy bonds on the molecule above. Explain why these functional groups are difficult to join. HO 1. OH ОН ОН (blue vertical bracket) What On your f. Compared to "low energy" bonds, high energy bonds require circle one: (MORE / LESS/ the SAME amount of) energy to make; high energy bonds release…arrow_forward
- The 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_forwardlas 2 act 3 and guide questionarrow_forwardIs it a?arrow_forward
- Why is it unlikely that two neighboring water moleculeswould be arranged like this?H HH HO Oarrow_forwarda. What charge of O2 would produce an ion with a bond order of 2.5? b. Of F2, B2, O2, and N2 how many are paramagnetic? c. Of F2, B2, O2, and N2 how many increase in bond length when an electron is removed? d. Arrange these from strongest to weakest bond: B2, C2, N2 π* Π b 9 σ strongest O, F, Ne བུ π* π b σ* σ weakest B, C, Narrow_forward11arrow_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_forwardT At pH=2.2, which of the following is true ÇOOH ÇO0 Ç00 HN-CH H,N-CH H&N-CH HN-CH CH2 CH2 CH, pK2 CH2 CH2 pK, CH2 pKR CH2 CH2 COOH СООН COO COO- II IV O 50 % of carboxylic acid group in the side chain is ionized O Most of the molecules are in the form II None 50% of carboxylic acid group attached to alpha carbon is ionized 50% of amino group is ionizedarrow_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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