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Solved: Atomic and Ionic Radii (Section)Consider the

Chemistry: The Central Science | 12th Edition | ISBN: 9780321696724 | Authors: Theodore E. Brown; H. Eugene LeMay; Bruce E. Bursten; Catherine Murphy; Patrick Woodward ISBN: 9780321696724 27

Solution for problem 35E Chapter 7

Chemistry: The Central Science | 12th Edition

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Chemistry: The Central Science | 12th Edition | ISBN: 9780321696724 | Authors: Theodore E. Brown; H. Eugene LeMay; Bruce E. Bursten; Catherine Murphy; Patrick Woodward

Chemistry: The Central Science | 12th Edition

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Problem 35E

Problem 35E

Atomic and Ionic Radii (Section)

Consider the isoelectronic ions Cl- and K+. (a) Which ion is smaller? (b) Using Equation  and assuming that core electrons contribute 1.00 and valence electrons contribute nothing to the screening constant, S, calculate Zeff for these two ions. (c) Repeat this calculation using Slater’s rules to estimate the screening constant, S. (d) For isoelectronic ions, how are effective nuclear charge and ionic radius related?

Zeff = Z - S [7.1]

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1. How is total magnification of an image determined ­Objective magnificationx10 2. Determine population size using mark­recapture method ­N=(M1)(T2)/(M2) ­M1=# marked and released (given) ­M2=# marked counted ­T2= total number counted 3. Determine population size using removal sampling method ­Plot # removed each period on Y axis ­Plot # previously removed on X axis ­Where line crosses X axis=population size 4. Determine species diversity using shannon wiener index ­H=­Epixlnpi ­pi=# species divded by total ­multiply pi by ln of pi and sum all up 5. Determine community with highest species richness from data provided ­which population has the most # of different species 6. Distinguish between a monocot and eudicot flower, a perfect and imperfect flower, a complete and incomplete flower ­Monocot=parts occur in 3’s or mulitiples of 3’s ­Eudicot=parts occur in 4’s or 5’s or multiples of that ­Perfect=have both stamens and carples ­Imperfect=have stames and no carples or carples but no stames ­Complete=have all 4 parts (sepals, petals, stames, carpels/pistils) ­Incomplete=lack any of the floral parts 7. Identify functions of each parts of a flower ­Sepals (collectively known as the calyx)=protect flower byd ­Petals (collectively known as the corrolia)= attract polinators ­Stamen=male reproductive structure and contains filament and anther ­Anther=where pollen grains develop ­Carpel=female reproductive system and contains stigma, style, and ovary ­Stigma=where pollen grains attach ­Style=connects stigma and ovary ­Ovary=contains ovules that develop into seeds after fertilized. Also develops in a fruit. 8. Determine anthocyanin concentration given data ­Anthocyanin= A530nm­(.24 x A653nm) 9. Determine Chlorophyll A concentration given data Chl a= (15.65 x A666nm)­(7.34xA653nm) 10. Determine chlorophyll b concentration given data ­Chl b=(27.05 x A653nm)­(11.21xA666nm) 11. Determine chloroplast concentration in a leaf from counts obtained using a hemocytometer ­(# chloroplasts (chamber 1)+# chloroplasts (chamber 2) / 2) x 10,000 x dilution factor 12. Key steps involved when performing cell/chloroplast counts using a hemocytometer ­40x objective lens ­count # cells in 4 corner squares and 1 middle square ­dont include ones touching right or lower parts ­multiply by 5 () ­do same for other chamber 13. Determine glucose concentration in a sample using regression equation ­plg absorbance into y and solve for x (protein) 14. Interpret effects of density on protein expression from banding patterns on a gel ­heavier molecules will move more slowly and migrate a shorter distance down the gel 15. Distinguish between native PAGE and SDS­PAGE electrophoretic techniques ­Native= no denaturing agents used which preserves original structure and biological function of proteins ­SDS=proteins denatured with SDS and reducing aents and the buffer also contains SDS 16, Describe effects of cold temperature stress on plants ­They accumulate sugars (glucose, fructose, and sucroses) and increase activity of peroxide enzyme 17.Interepret correlation coefficient ­under .3=weak ­.3­.5= ,moderate ­over .7 is strong 18. Determine enzyme activity from data plotted in excel ­slope of line=activity of enzyme ­slope=rise/run 19. Identify function and structures of each plant organ, tissue, and structure examined in lab Hydrophyte=wet Mesophyte=Moist Xerophyte=dry Ground Tissues: all related to support, storage, photosynthesis, and wound healing ­Parenchyma=photosynthesis, storage, and wound healing ­Collenchyma= Provides structural support in stem and leaf stalks ­Sclerenchyma=Provides structural support in all parts of the plant body Vascular Tissues: Transport ofminerals, water, and photsynthetic products ­Xylem=transports water and minerals ­Phloem=tranports sugars and other photosynthetic products Dermal Tissues: Outer protective covering of plant body In leaves: -Xerophyte→ thick cuticle, multiple epiermal layers, and more stomata than other 2 -Hyrdophyte/mesophyte → large air spaces, stomata only in upper epidermis or absent For stems: Xerophyte→ mainly collenchyma in cortex Hydrophye→ large cortex and air spaces Mesophyte→ closely packed cortical cells and no large air spaces in cortex For Root: Hydrophyte→ poorly developed xyem and large amount of pholem, cortex has large air spaces Xerophytes→ xylem well developed

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Chapter 7, Problem 35E is Solved
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Textbook: Chemistry: The Central Science
Edition: 12
Author: Theodore E. Brown; H. Eugene LeMay; Bruce E. Bursten; Catherine Murphy; Patrick Woodward
ISBN: 9780321696724

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