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M6 qa. ha. le 1. a6 Bo©r 0 CC # B&B © 2 8 D9 FF ¥ eB xX A O& Gctcker §, 201) NAN, Which of the following would be classified es a 'bailding ‘sleck' molecule? A) Lecithin (a polar Lipid) 3) starch te polysaccharide! ©) methioaine ian amine acid? D] nitrogen (an atmospheric comporens) B) acetic acad (a owe cazbun carbusylic acid) If the specific heat of waber iv 4.184 d/g-*C, thea 41.84 7 coaté raten the cemperatnre of 1g of water by 10 °C or valee the temperature af a) 9g of water by 1 °C a) D) 2g of water by 20 7 1} 2g of water by 5 % Bi 10 a of water by 2 °C ‘the human organism is limited to evapoxatixg water ay a vechanisw Lo discipae heat whenever the a) relative humidity ~ 100% B) euvironmental tumpcrature « 25 °C ©) enviromental Lamperalure > 37 °C D) relative kumié=ty > 868 8) Rock A! and 'C! arc eorrack Which of the following ratios typically decreases ce a normal human matures from infancy through adolescence and on to adulchood? A) body mass squared to height Bi) haight te ‘ody surface aren C) body mass to height squared b) body mags to height B) bedy surface axea tc body mass When trying to asseus whother or not a cart-aular nclate wil’ be soluble on 2 solvent, the primary consideration mat he given to a comparison of the respective demenstvated by the solute and the solvent. A) similarities to water B} positions in the periodic tabi: ¢) molecular weighzs D) intermolecular forces K) acidizies When wacer is said to be a hydvoqen bonded substance, this means that a hydrogen atom, which is already covelently bonded to oxygen atom in the water molecula, is able to Lave an additional interaction with the element from auuther eubstaaue. ANCL B) P oy Ne nc BN = Which of the frllowing is moat likely ta be clanaifad as Al CH,O8 B) “OOCGH.,coo” 2) CHy (CH) ay Di} CHW. BY CHy (C2) gM” A vandom arrangement of amphipathic molecules is regaréed as in energy sontent than an aurangenent of amphipathic molecules in a uicel-s eoafigaretion because of che interactions found Al bigher -- hydrogen bonded B} lowar -- Aydrogen bendus Cr Lowes -- ion-dipele D) highex -~ hydrophobic E) Iowa: =- kydrophobde If the pli of a solution is increased by 1.6 pH waits, then the value of the (i*] for that solurion has been by a factor of C) decreased -~ 200 D) increased -- 1p! increased <= 1.6 A} decxwased =~ 40 Bh decreased -- t.2 BR whieh of tha following ta mast likely te ka a weak clestrolyce? A) an acid that is completely dissociazed 3) aa ecid with a x, of 1 x 1073 ©) an donie aalt like Natl 0) a molecn!ar awastance Like wrea F) ar jaar able salk Like Ag =f two moles of a substance that dissociates 25% are placed in a one liter container of water, thare will be moles of particles in the eslution. A 3 BP 1s. o 228 rp 2.3 Ry 4 which of the following is the strongest a A) AK (Ky = 8 1075} mR) HB axirt by ae tok, > 4) Estimate the pH of a 0.2 M solution of the week acid, HA, whick has aK, = 2 x 16% Al 2. B) 2.4 D: ayaa Which of the following would be the proton acecpror in a buffer aystam vaing Hoh a proton donor. A) Aa B) Ua2~ 2) 4a. D) aun? B) ta? Egtimale Lhe pH vt ¢ buffer fer wiich Lie caio of protoa acseptor to praken donor is 4:1 amd Lie K value fos Lhe peolur deuoc is 2.5 x 1075, A) 5.8 B) 9.2 EP 4.6 34 Which of the following weak acids would be the kest cheice to usa, along wick irs conjugate base, to prepare 4 buffer having a pil of 5.5 Al BD WKy © 2.5] B) HB (kK, - 8 Xu ; 4 D) 4G (kK, - @ X10" EV UA (ky = 4 x 107 The cquiliorium: copia) + gO SS=™ Loy isigs! + nyo SE WO + HCOs) ix shizted to the and the pil of the system as the pressure o2 carkon dioxide gas is increased A) right dacvenses -B) left. -- Anereases ©) lef: -- etreases DD} richt -- increases &) right -- renaine she sexs A primary alkali deficit can often he compensated for by a combination of a reapdvatory aerlvity called. , and a4 renal process involving the renzl excrezion of A} hyperventilation -- HCO,” BY bypovenvilakiea -~ MHy* — C) hyvovenlilelion -- ECO, b) hyperventilation -- nu,* HD hyperventilntion -- 2430," 
