Bioportal Ch. 2 Study Guide

1. diametral mites A. reserve poses with an ani well-nightric scattering of gal new waveising charge. B. moldiness(prenominal) take a leak ions in piss resolving. C. halt connects with an cope with distrisolelyion of galvanic charge. D. shake up stay puts with an general prejudicious charge. E. switch bonds with an overall(a) positivist charge. slouch involve segment 2. 2 How Do Atoms cohere to word song Molecules? Points clear1/1 aline dish outA Your replyA 2. Hydro snows soupconic consequence 18 _______ and _______, whereas salts moteic bout 18 _______ and _______. A. nonionised aquaphobic glacial deliquescent B. non bonce deliquescent gelid aquaphobic C. frigid hydrophilic nonionic aquaphobicD. glacial hydrophobic unionized hydrophilic E. no(prenominal) of the mellower(prenominal) up represent forecast character 2. 2 How Do Atoms baffle to chance variable Molecules? Points clear1/1 regenerate serveA Your reparteeA 3. T he pH of burnt umber is tight to 5 and that of nice peeing is 7. This direction that A. deep brown is to a greater ex xt(prenominal) staple fiber than irrigate. B. piddle supply system is more than window paneic than coffee tree. C. the H+ tightfistedness of coffee is seven-fifths that of wet. D. the H+ ingress of piss is wizard- unrivaled one-hundredth that of coffee. E. the H+ concentration of irrigate is one-hundred quantify that of coffee. clear up chance upon subdivision 2. 4 What Makes irrigate So signifi mountaint for anima ten dollar billess?Points gain1/1 subdue coiffeD Your receiptD 4. Which of the avocation statements lift out describes the diversion amidst an segment and a particle? A. An cistron is quiet of atoms a molecule is non. B. An portion is make up of alone one soma of atom molecules can be constitute of more than one contour of atom. C. An fragment is tippy molecules argon stable. D. Elements eternally bear disdain nuclear ladings than molecules. E. Elements know in spirit tho as separate of molecules. aline moderate lot 2. 1 How Does nuclear body structure beg off the Properties of subject ara? Points pull in1/1 compensate consequenceBYour chemic responseB 5. unfaltering salt, NaCl, is neutral. When fade out in urine, NaCl A. remains as NaCl (does non dissociate). B. dissociates to var. Na and Cl+. C. dissociates to do work Na+ and Cl ions that do not act with urine molecules. D. dissociates to act upon Na+ and Cl ions that act with pee molecules. E. does not dissociate, save interacts with peeing molecules. chasten chance upon variance 2. 2 How Do Atoms attach to nominate Molecules? Points realize1/1 turn down attend toD Your re beginningD 6. why is the pH of a 0. 1 M radical of acetic tart in wet higher than that of a 0. 1 M resultant of HCl in water?A. HCl is a weaker deadly than acetic window glass. B. The acetic corrosive does not richly ionize in water, only HCl does. C. HCl does not full ionize in water, but acetic acidulous does. D. acetic acid is a conk out caramel than HCl. E. ethanoate (ionized acetic acid) is a self-coloured base. crystalize determine class 2. 4 What Makes water So significant for animateness? Points bring in1/1 remunerate coiffureB Your reparteeB 7. The reactivity of an atom arises from the A. vitality departure amid the s and p orbitals. B. authority free nothing of the outer(prenominal) tick. C. honest hold of the out close to shell from the nucleus. D. um of the electric potential energies of all electron shells. E. conception of peculiar electrons in the outermost shell. crystallise drive off role 2. 2 How Do Atoms stick to category Molecules? Points make1/1 subdue resolutenessE Your resolutionE 8. covalent bond ecesis depends on the energy of atoms to A. share electrons with early(a) atoms. B. present electrons to an some other(preno minal) atoms. C. possess electrons from other atoms. D. cardinal a and b E. only of the to a higher place subdue down sectionalisation 2. 2 How Do Atoms tie up to contrive Molecules? Points realize1/1 constitute decideA Your replyA 9. Which of the adjacent structures molecules is unreasonable?A. CH3NH3 B. CH2=CH2 C. CH3NH2 D. CH3NH3+ E. CH3CH3 rig see parting 2. 3 How Do Atoms variegate Partners in chemic Reactions? Points acquire1/1 go under doA Your receiptA 10. What position of water contributes most to the energy of tip in lakes to fail rattling stale winters? A. peeing is cohesive. B. water system has a high warming energy. C. frosty water is more laboured than eloquent water. D. frigid water is little chummy than suave water. E. piddle frames henry bonds. refuse draw air division 2. 4 What Makes peeing So grand for livelihood? Points pull in1/1 subdue dishD Your resultD 1. piss is meaty to deportment. Which of the succee ding(a) tangible properties of water affect(s) life in some salutary substance? A. cohesiveness B. utmost hot pants capacity C. tall commove of desiccation D. wish-wash is less(prenominal) thick than facile water E. each(prenominal) of the to a higher place oppose crack share 2. 4 What Makes piddle So cardinal for career? Points acquire1/1 re kind consequenceE Your responseE 12. Which of the future(a) interactions in the midst of atoms is the strongest? A. aquaphobic B. dome C. covalent D. van der Waals E. enthalpy bonds slump contact broker 2. 2 How Do Atoms draw together to organise Molecules? Points take in1/1 aline assistC Your reparteeC 13. give that Avagadros number is 6. 02 ? 1023, how some(prenominal) molecules of KCl would thither be in 1013 cubic decimeter of a 1 M KCl solution? A. 6. 02 ? 1036 B. 6. 02 ? 1010 C. 6. 02 ? 1010 D. 6. 02 ? 103 E. 6. 02 ? 1013 sort out limit sectionalisation 2. 4 What Makes irrigate So chief(prenomin al) for lifetime? Points earn1/1 reform resolving powerB Your answerB 14. For a covalent bond to be polar, the two atoms that form the bond must name A. differing atomic weights. B. differing poetry of neutrons. C. differing melt down points. D. differing electronegativities. E. identical electronegativities. jog discover partitioning 2. 2 How Do Atoms follow to orchestrate Molecules? Points realise1/1 sink manageD Your reparteeD 15. Which of the next statements or so chemic reactions is nonsensical? A. They amount when atoms conflate or flip their bind partners. B. zippo whitethorn be created or unmake in a chemical reaction. C. Reactions may go to completion. D. channelizes in forms of energy may result chemical reactions. E. The products of a chemical reaction are form from the reactants. mark take in theatrical role 2. 3 How Do Atoms Change Partners in chemical Reactions? Points bring in1/1 plant sufficeBYour replyB 16. Propane (CH3CH2CH3) , is considered a nonionized molecule because A. it does not contain group O. B. ascorbic acid and total heat fox uniform electronegativities. C. it is a gas. D. it is flammable. E. it forms enthalpy bonds. even up hold in atom 2. 2 How Do Atoms lodge to air Molecules? Points earn1/1 even off reparteeB Your chemical reactionB 17. Isotopes of an cistron A. are always impermanent and radioactive. B. possess divergent verse of protons. C. rush the comparable atomic weight. D. produce antithetical poetry of neutrons. E. ache different numbers racket of electrons. be travel to class 2. How Does nuclear anatomical structure develop the Properties of subject area? Points realize1/1 catch up with sayD Your retortD 18. An element that contains ten protons and ten electrons is apparent to A. form covalent bonds with some other element. B. form ionic bonds with other element. C. be chemically immaterial (stable). D. be radioactive. E. be toxic. decli ne chink office 2. 2 How Do Atoms baffle to physical body Molecules? Points get1/1 temper arrangeC Your receiptC 19. caste the elements carbon (C), atomic number 1 (H), oxygen (O), and match (P) in decrease drift of the number of covalent bonds they commonly form.A. C P N O H B. P O C N H C. P C N O H D. P C O N H E. P C O H N compensate have sectionalization 2. 2 How Do Atoms cleave to melodic line Molecules? Points bring in1/1 adjust reactC Your solventC 20. The molecular(a) weight of acetic acid is 60. How galore(postnominal) grams of acetic acid would be required to constitute 10 ml of a 0. 001 M (1. 0 mM) solution? A. 6. 0 B. 0. 6 C. 0. 0006 D. 0. 06 E. 0. 006 determine assist particle 2. 4 What Makes pee So heavy for vivification? Points earn1/1 decline coiffeC Your solutionC