Chem 230 Studienführer, Klassennotizen & Zusammenfassungen

ionic, dipole-dipole,london correct answer: the order of bonds strongest to weakest two substituents are on the same side of the double bond correct answer: which statement best describes cis stereochemistry in an alkene? on opposite sides of the double bond correct answer: substituents on a carbon-carbon double bond that are trans are oxygen,carbons correct answer: an ether contains an____________bound by single bonds to two ____________ alcohols correct answer: when aldehydes ...

hydrocarbon correct answer: compound containing only hydrogen and carbon saturated hydrocarbons correct answer: contain only single bonds between the carbons unsaturated hydrobarbons correct answer: contain double or triple bonds between the carbons aromatic hydrocarbons correct answer: contain benzene rings saturated and unsaturated hydrocarbons are correct answer: aliphatic hydrocarbons alkanes have only correct answer: single covalent bonds alkanes have the formula cor...

CHEM 2302 Exam 2 Questions & Answers 2023/2024 nucleophilic aromatic substitution by addition-elimination - ANSWER-aryl halides with electron-withdrawing groups (NO₂) in ortho or para position can react with nucleophiles to substitute a leaving group for nucleophile resonance stabilized anion intermediate rate increases with more electron-withdrawing roups or more electronegative halogen nucleophilic aromatic substitution by elimination-addition - ANSWER-aryl halides without an electro...

Electronegativity A measure of the force of an atom's attraction for the electrons it shares in a chemical bond with another atom -increases from left to right -increases from bottom to top Covalent bond Forms when electron pairs are shared between two atoms whose difference in electronegativity is 1.9 or less Polar covalent bond The more electronegative atom has a partial negative charge, indicated by the 8- The less electronegative atom has a partial positive charge, indicated by the ...

Which of the following categories of compounds can act as a hydrogen bond donor? correct answer: Alcohols Which of the following categories of compounds can act as a hydrogen bond acceptor? correct answer: Alcohols, Aldehydes, Ketones. Which of the following categories of compounds can hydrogen bond with water? correct answer: Alcohols, Aldehydes, Ketones In the Bronsted-Lowry definition, which of the following more correctly describes bases? correct answer: Proton Acceptors The ...

NH2 functional group correct answer: amino RNH2 correct answer: primary amine R2NH correct answer: secondary amine R3N correct answer: tertiary amine bronsted-lowry acid correct answer: proton donor bronsted-lowry base correct answer: proton accepter lewis base correct answer: electron donor lewis acid correct answer: electron accepter alkyl halide correct answer: a compound that has an alkyl group bonded to a halogen atom, R-X thiol correct answer: has -SH g...

What is the purpose of Lab 1: Kinetics correct answer: To examine the four factors that influence the reaction rate of a chemical reaction What conditions influence the rate of reaction of a chemical process? correct answer: 1. Concentration of reactants 2. Temperature 3. Presence of a catalyst 4. Physical state of the reactants (including surface area) What effect did the concentration of reactants have on the reaction rate? What is the reason for the effect? correct answer: - A...

Gases are more soluble in _______ water. correct answer: cold Is the gas to aqueous reaction endo or exothermic? correct answer: Exothermic What is lattice enthalpy? Its sign of dH? correct answer: The enthalpy change associated with going from solid to gas. It is always endothermic (+dH) What is the enthalpy of hydration? Its sign of dH? correct answer: Enthalpy change associated with going from gas to aqueous. It is always exothermic (-dH) What is enthalpy of solution? correct ...

True or False: The addition of water to an alkene is called a hydration reaction. correct answer: True True or False: The double bonds in naturally occurring fatty acids are typically cis correct answer: True What is the IUPAC name for the following compound? correct answer: 4,4-dimethyl-1-pentene What is the structure of 2-methlyhexane correct answer: (CH3)2CHCH2CH2CH2CH3 What is the correct molecular formula for the following structure? correct answer: C6H12 A compound that...

A) Initial starting solution with brownish yellow correct answer: Fe^3+ A) Initial starting solution with greyish blue correct answer: Cr^3+ A) Initial starting solution with pale green correct answer: Ni^2+ B) So4^2- correct answer: confirmed when precipitate is formed and doesn't dissolve in Nitric acid C) Cl^- correct answer: confirmed when precipitate is dissolved by NH3 D) NO3^- correct answer: confirmed by the brown ring test E) NH4^+ correct answer: confirmed by ...