WVU CHEM 233 - Exam 1 Study Guide (3 pages)

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Exam 1 Study Guide



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Exam 1 Study Guide

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study guide for first exam


Pages:
3
Type:
Study Guide
School:
West Virginia University
Course:
Chem 233 - Organic Chemistry

Unformatted text preview:

CHEM 233 EXAM 1 STUDY GUIDE Which is the stronger acid H2SO4 or HNO3 H2SO4 has a pKa value of 5 and HNO3 has a pKa value of 1 3 ANSWER Because the lower pKa means the stronger acid H2SO4 would be the winner What is the Keq reaction formula ANSWER Keq Ka reactant acid Ka product acid How does resonance relate to stability ANSWER The more resonance a compound has the more stable it is What are the 5 factors that help stabilize the conjugate base ANSWER 1 Location on the periodic table row electronegativity 2 Location on the periodic table column size 3 Hybridization 4 Inductive effects 5 Resonance ability What are the 5 classes of compounds and their symbols ANSWER alkanes symbol R alkyl halide symbol X ether symbol R O R alcohol symbol OH amine symbol NH2 What is a cycloalkane and what is its formula ANSWER alkanes with carbon atoms arranged in a ring CnH2n What are the ten names for a Carbon Structure depending on how many Carbons are present ANSWER 1 Carbon methane 2 Carbons ethane 3 Carbons propane 4 Carbons butane 5 Carbons pentane 6 Carbons hexane 7 Carbons heptane 8 Carbons octane 9 Carbons nonane 10 Carbons decane What are the condensed formulas and molecular formulas for structures with 1 10 carbons 1 Carbon CH4 CH4 2 Carbons CH3CH3 C2H6 3 Carbons CH3CH2CH2 C3H8 4 Carbons CH3CH2CH2CH3 C4H10 5 Carbons CH3CH2CH2CH2CH3 C5H12 6 Carbons CH3CH2CH2CH2CH2CH3 C6H14 7 Carbons CH3CH2CH2CH2CH2CH2CH3 C7H16 8 Carbons CH3CH2CH2CH2CH2CH2CH2CH3 C8H18 9 Carbons CH3CH2CH2CH2CH2CH2CH2CH2CH3 C9H20 10 Carbons CH3CH2CH2CH2CH2CH2CH2CH2CH2CH3 C10H22 How many bonds does Carbon receive ANSWER 4 very important What is the difference between an ionic bond and a covalent bond ANSWER Ionic bonds are the transfer of electrons to maintain an octet while covalent bonds are the sharing of electrons to maintain an octet What is the equation to determine formal charge ANSWER column number unpaired electrons covalent bonds How does length relate to the strength of bonds ANSWER the longer the bond



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