Study guides, Class notes & Summaries

CHEM 210- MODULE 1 EXAM QUESTIONS AND CORRECT ANSWERS, COMPLETE SOLUTION 2024. What is the goal of the foul smelling compounds produced by giraffes to ward of insects What light-emitting chemical compound is produced by the abdomens of fireflies Luciferin with is used to attract mates How does luciferin emit light the reaction between luciferin and protein creates a light emitting product What is luminol chemical that reacts with metals in cells and detects blood What is biochemistry ...

Chem 210 Exam II Questions and Correct Answers, Complete Solution 2024. electrophiles electron seeking reagents that have room to accept a electron pair nucleophiles reagents seeking a nucleus to which to donate a pair of electrons proton transfer or protonation reaction the transfer of a proton from one base to another transition state lying between the products and reactants free energy of activation (delta G double dagger) the height of the barrier, the energy that the reactants a...

CHEM 210 - Biochemistry Exam Questions And Answers (Updated And Verified) What do Biochemists study? - answer1. The relationship between structure and function of biomolecules 2. Chemical reactions of organisms 3. Communication within and among organisms Smaller elements are favored because they can form stable covalent bonds. T or F - answerTrue. Strong bonds form by significant overlap of atoms, such as carbon and hydrogen, allowing them to share electrons. What is the bond angle of a...

Ammonium - ANSWERNH4+ Hydronium - ANSWERH30+ Mercury (I) - ANSWERHg2(2+) Acetate - ANSWERC2H3O2(-) Azide - ANSWERN3(-) Carbonate - ANSWERCO3(2-) Chlorate - ANSWERClO3(-) Chlorite - ANSWERClO2(-) Chromate - ANSWERCrO4(2-) Cyanide - ANSWERCN(-) dichromate - ANSWERCr2O7(2-) dihydrogen phosphate - ANSWERH2PO4(-) Hydrogen carbonate (bicarbonate) - ANSWERHCO3(-) hydrogen phosphate - ANSWERHPO4(2-) hydrogen sulfate (bisulfate) - ANSWERHSO4(-) Hydroxide - ANS...

Acid - ANSWERa substance that has H+ in its formula and dissociates in water to yield H3O+ -some strong acids are HCl, HI, CHlO4, HBr, H2SO4 and HNO3 -loses proton; forms conjugate base (OH- , hydroxide ion) Base - ANSWERa substance that has OH in its formula and dissociates in water to yield OH- -strong bases include NaOH, KOH, and Ba(OH)2 -a strong base will have OH in its formula -gains proton; forms conjugate acid (H3O+ , hydronium ion) Salt and water are the products in reactions...

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 factors explain the outcomes of reactions? - ANSWERhybridization, delocalization, eN, atom density what is a leaving group? - ANSWER- group of atom(s) that can be stable on its own - eN atoms that are good LG also make strong acids what is the α carbon? - ANSWERC directly attached to leaving group what are β Cs? β Hs? - ANSWERβC: C(s) attached to α carbon βH: H(s) attached to βC what is a LB? is it a nucleophile or electrophile? - ANSWERlewis base, nucleophile what i...

v/v) % equation - ANSWERml of solute/ ml solution * 100 ppm equation - ANSWERmass of solute/mass of solution x 10^6 molarity equation - ANSWERmoles of solute/liters of solution g —-> mol - ANSWERg * 1 mol / molar mass of compound Strong Acid 1 - ANSWERHI base: I- Strong Acid 2 - ANSWERHBr (hydrobromic acid) Base: Br- Strong Acid 3 - ANSWERHCl (hydrochloric acid) Base: Cl- Strong Acid 4 - ANSWERH2SO4 (sulfuric acid) Base: HSO4- Strong Acid 5 - ANSWERHNO3 (nitric a...

Which of the following statements is true? a) intermolecular forces influence the physical properties of a substance b) intermolecular forces are stronger than intramolecular forces c) dispersion forces are the strongest of the intermolecular forces d) dipole-dipole forces arise when a non polar molecule induces a dipole in another molecule - ANSWERa which of the following hydrocarbons will. have have the highest boiling point? a) c5h12 b) c2h6 c) ch4 d) c6h14 e) c8h18 - ANSWERe ...