HBR Study guides, Class notes & Summaries

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 =...

ARE 112 FINAL EXAM 2024 WITH 100%CORRECT LATEST UPDATED ANSWERS. 1. One of the reason or causes of the start of the classical school from class was: a. the new communicaiton networks b. the industrial revolution c. declining birth rate d. all were discussed as reasons or causes of the start of the classical school e. none of the answers are correct Answer - B. the industrial revolution 2. Decisions, from our class notes, relate to: a. all the answers provided are correct b. resource all...

OCR AS LEVEL CHEMISTRY B (SALTERS) H033/01 FOUNDATIONS OF CHEMISTRY 2024 GENUINE EXAM PREDICTION RATED 5 STAR.100% COMPLETE WITH ACCURATE ANSWERS. CHECK THE LAST PAGE FOR ANSWERS 1 How many protons are in a hydroxide ion, OH−? A 1 B 8 C 9 D 10 Your answer [1] 2 Which of the following is the correct electronic configuration for a potassium ion, K+ ? A 1s22s22p63s1 B 1s22s22p63s23p6 C 1s22s22p63s23p64s1 D 1s22s22p63s23p64s2 Your answer [1] 3 Which p...

CHEM 335 Final Exam Questions and Answers | 100% Verified Answers| Updated 2024/2025. Write complete names for the following: a) (S,S)-3,5-dihydroxycyclohexanone b) (E)-5-methyl-4-oxo-5-heptenal c) 4-methoxy-2-nitrobenzaldehyde d) 1-methyl-3-methylthio-2,4,6-cycloheptatrienol e) CHEM 335 Final Exam Questions and Answers | Verified Answers| Updated 2024/2025 2/11 pentamethylcyclopentadienyl anion 2. (15 points) Write accurate structures for the following: a) a chiral allene b) 18...

KSU Chem 1212 Exam 3 Practice exam Q&A Arrhenius acid - CORRECT ANSWER-substance that produces H₃O⁺ when dissolved in water (meaning it is limited to appearing only in aqueous solutions) hydronium ion - CORRECT ANSWER-H₃O⁺; usually functions as the conjugate acid Arrhenius base - CORRECT ANSWER-substance that produces OH⁻ when dissolved in water (meaning it is limited to appearing only in aqueous solutions) hydroxide ion - CORRECT ANSWER-OH⁻; usually functions as the conjuga...

CHEM 335 Final Exam Questions and Answers | Verified Answers| Latest Updated 2024/2025 (GRADED) Write complete names for the following: a) (S,S)-3,5-dihydroxycyclohexanone b) (E)-5-methyl-4-oxo-5-heptenal c) 4-methoxy-2-nitrobenzaldehyde d) 1-methyl-3-methylthio-2,4,6-cycloheptatrienol e) CHEM 335 Final Exam Questions and Answers | Verified Answers| Updated 2024/2025 2/11 pentamethylcyclopentadienyl anion 2. (15 points) Write accurate structures for the following: a) a chiral all...

OCR 2023 Chemistry B H433/02: Scientific literacy in chemistry A Level Question Paper & Mark Scheme (Merged) Please Review and leave your Rating stars…. Please write clearly in black ink. Do not write in the barcodes. Centre number Candidate number First name(s) Last name Oxford Cambridge and RSA Monday 19 June 2023 – Afternoon A Level Chemistry B (Salters) H433/02 Scientific literacy in chemistry Time allowed: 2 hours 15 minutes INSTRUCTIONS • Use black ink. You can us...

ARE 112 FINAL EXAM 2024 WITH 100%CORRECT LATEST UPDATED ANSWERS. 1. One of the reason or causes of the start of the classical school from class was: a. the new communicaiton networks b. the industrial revolution c. declining birth rate d. all were discussed as reasons or causes of the start of the classical school e. none of the answers are correct Answer - B. the industrial revolution 2. Decisions, from our class notes, relate to: a. all the answers provided are correct b. resource all...