Hbr - Study guides, Class notes & Summaries

HBR Quiz 1

CHEM 335 Final Exam Questions and Answers Latest Updated 2024/2025 (GRADED) Write accurate structures for the following: a) a chiral allene b) 18-crown-6 c) the HOMO of 1,3,5-hexatriene d) benzyl isobutyl disulfide e) the hydrate of acetaldehyde 3. (15 points) Arrange the following in order with respect to the property indicated. Write MOST and LEAST under the compounds with the highest and lowest values, respectively. a) reactivity towards electrophilic substitution MIDDLE / / / LEAST ...

HBR Quiz 1

Electron configuration for cations - Answer-Subtract 1 from exponent of highest n-value orbital (ex. remove from 4s before 3d) Ag+ = [Kr]5s^1 4d^9 Electron configuration for anions - Answer-Add 1 to closest orbital Cl- = [Ne]3s^2 3p^6 Atomic orbitals - Answer-s, p, d, f Primary vs secondary structures of proteins - Answer-Primary - AA chain (linked by peptide bonds) Secondary - stabilized by non-covalent bonds (alpha helices & beta sheets) Most bonds in organic compounds are - Answer-cov...

What is a BL acid? BL base? - ANSWERAcid is a proton donor while a base is proton acceptor List the 6 strong acids - ANSWERHClO4, HCl, HBr, HI, HNO3, H2SO4 List the 6 strong bases - ANSWERLiOH, NaOH, KOH, Ca(OH)2, Sr(OH)2, Ba(OH)2 What is the eq. for the dissociation of a weak acid? - ANSWERHA <=> H+ + A- Ka = ([H+][A-])/[HA] What is the eq. for base hydrolysis? - ANSWERB + H2O <=> BH+ + OH- Kb = ([BH+][OH-])/[B] What is the equation for pH and pOH? - ANSWERpH =...

what is the hybridization of 2 things, 3 things, 4things, 5 things, : sp, sp2, sp3, dsp3, d2sp3 double bond counts as one thing around the atom sp geometry is sp2 geo is sp3 geo : trigonal planar 120 tetrahederal 109.4 what do you always have to remember to do with hydrogens : you have to draw in the hydrogens because they are implict hydrogens how many bonds does carbon have : it has 4 bonds 2 | P a g e convert from regular hybrid to hybridization graph : go through the fun...

Organic Chemistry 1 ACS Questions Final Exam Over 100 Updated Correct Questions and Answers 100% Already A+ Graded sp, linear - CORRECT ANSWER-Which is the correct hybridization state and geometry for the carbon atom in HCN? sp, linear sp2, trigonal planar sp3, tetrahedral None of the above This structure has one positive charge and one negative charge. - CORRECT ANSWER-The following structure has been drawn without formal charges. Which statement describes the missing formal charge(s)...

HBR Quiz 1

What is the Arrhenius definition of an acid/base? - correct answers acid: increases [H30+] in solution base: increases [OH-] in solution What is the Bronsted-Lowry definition of an acid/base? - correct answers acid: donates H+ base: accepts H+ What is the Lewis definition of an acid/base? - correct answers acid: e- pair acceptor base: e- pair donor What are the 7 strong acids? - correct answers HCl, HBr, HI, HNO3, HClO3, HClO4, H2SO4 (first H only) What functional group do the str...

Fraction of Dissociation - correct answers the fraction of the acid in the conjugate base form (A-). [A-] / [A-]+[HA] or [A-]/F Fraction of Association - correct answers the fraction of the base in the conjugate acid form [BH+]. [BH+] / [BH+]+[B] or [BH+]/F Strong Acids - correct answers HClO4, H2SO4, HNO3, HCl, HI, HBr Strong Bases - correct answers LiOH, NaOH, KOH, RbOH, CsOH Ca(OH)2, Mg(OH)2, Ba(OH)2, Sr(OH)2 What should I do if I have a dilute strong acid or base? (10e-6<F...