Study guides, Class notes & Summaries

BIOCHEM MODULE 4 EXAM VERIFIED ANSWERS 100%2023/2024

Question 1 3 / 3 pts True or False: Nitrogen is called the superglue of the chemical world. FALSE Question 2 3 / 3 pts True or False: Large elements, such as strontium, are common in biomolecules.

Chem 210 Exam 4 Questions and Correct Answers, Complete Solution 2024. In order to make an alcohol we can do what types of reactions? addition reactions and oxidation reactions of alcohol What are the two types of addition reactions? hydration of alkene and addition reactions of H2 to C=O We need to figure out if alcohol is a... 1º, 2º, and 3º Ketone addition of H2 to make an alcohol is what type of alcohol? 2º Aldehyde addition of H2 to make an alcohol is what type of alcohol? 1...

CHEM 210 Exam 3 study Questions and Correct Answers, Complete Solution 2024. poor LB CA pka<15 + unhindered anion OR uncharged sp3 N,P,S CA pka<15 + unhindered anion OR uncharged sp3 N,P,S poor LB description poor LB Cl, Br, I, N3, CN, HS, RS, RO2 + uncharged R3N/P, RSH, H2S poor LB S-R poor LB HS poor LB CN poor LB N3 poor LB O2-R poor LB N-R3 poor LB P-R3 poor LB SH-R poor LB H2S Cl-, Br-, I- poor LB examples CA pka 15-30 + unhindered anio...

Chem 210 exam 3 study Questions and Correct Answers, Complete Solution 2024. H/OH markov H2O AND H2SO4 MARKOVNIKOV SYN AND ANTI H/X H-X MARKOVNIKOV SYN AND ANTI H/OH anti-Markov BH3 + (NaOH, H2O2) Anti-markovnikov Syn OH/OH KMnSO4 or OsO4 N/a Syn /O/ RCOOOH N/a (syn-ish) O/O reductive O3, (Zn, or (CH3)2S) None None O/O oxidative O3, (H2O2, NaOH, H2O) None None H/H Syn, double or triple Bond H2, Pt

Chem 210 Exam 3 Questions and Correct Answers, With Complete Solution. what face of the pi bond can EAR occur from? either face how many products do EARs on an alkene form? 4 stereoisomeric products Brainpower Read More in a substitution rxn, what does H-O act as? nucleophile and replaces LG in an elimination rxn, what does H-O acts as? base and abstracts BH atom what is a requirement for elimination rxns? beta hydrogen what is a requirement for substitution rxns? leaving group ...

chem 210 exam 3 Questions and Correct Answers, Complete Solution 2024. less the more s character a carbocation has, the _____stable it is the same as when looking at an epoxide, the orientation around the oxygen is _________ the orientation around the double bond in the reactant BrOH when added with base makes an epoxide Br2 adds 2 Brs in anti conformation lindlar catalyst produces a Z alkene from an alkyne (adds 2 Hs in syn) add more electronegative atom, add pi bond 2 ways of pro...

CHEM 210 Exam 2 Questions and Correct Answers, Complete Solution. Linear What is the electron-pair geometry of a compound with 2 electron domains? Trigonal planar What is the electron-pair geometry of a compound with 3 electron domains? Brainpower Read More Tetrahedral What is the electron-pair geometry of a compound with 4 electron domains? Trigonal bipyramidal What is the electron-pair geometry of a compound with 5 electron domains? Octahedral What is the electron-pair geometry o...

CHEM 210 Exam 2 Questions and Answers, Exam Prep. With complete solution. Ionic bonds Electron transfer from metal to non-metal, forming a bond Covalent bonds Electron sharing between non-metals, forming a bond Ion Charged particle Cation positive ion Anion negative ion wave particle duality foundation of quantum mechanics Ionization energy Amount of energy required to remove the highest energy/outermost electron from isolated neutral atom in gas state (E1) Electron Affinity is...

CHEM 210 Exam 1 Review Questions and Correct Answers, With Complete Solution 2024. What is a BL acid? BL base? Acid is a proton donor while a base is proton acceptor List the 6 strong acids HClO4, HCl, HBr, HI, HNO3, H2SO4 List the 6 strong bases LiOH, NaOH, KOH, Ca(OH)2, Sr(OH)2, Ba(OH)2 What is the eq. for the dissociation of a weak acid? HA <=> H+ + A- Ka = ([H+][A-])/[HA] What is the eq. for base hydrolysis? B + H2O <=> BH+ + OH- Kb = ([BH+][OH-])/[B] What is t...

Chem 210 exam 1 Questions and Correct Answers, Complete Solution 2024. 1 calories 4.184 joules 1kilogram 1000 grams Specific heat Energy required to raise temperature (j/g x change in temp) 1 regular calorie 1 kilocalorie/ 1000 calories Group 1A Alkali metals Group 2A Alkaline metals Group 7A Halogens Group 8A Noble gases Group B Transition elements Nucleus composition Protons and nuetrons 1 amu 1/12 mass of carbon 12 Proton mass 1.007 amu Nuetrons mass 1.008 amu Ele...

CHEM 210 MODULE 3 EXAM QUESTIONS AND CORRECT ANSWERS, WITH COMPLETE SOLUTION 2024. What is meant by the term average bond enthalpy? (Average enthalpy change) when one mole of bonds of (gaseous covalent) bonds is broken The calculated value of ΔHc from this experiment is different from the value obtained from data books. Apart from heat loss, suggest two reasons for the difference. Assume that the calculation has been carried out correctly. incomplete combustion non-standard conditi...