Chem 230 Samenvattingen, Aantekeningen en Examens

Which family of organic molecules is a hydro carbon correct answer: aromatic Which two functional groups does NOT contain oxygen? correct answer: amine Which factor is most important in determining the chemistry of an organic molecule? correct answer: the functional groups Two or more compounds with the same molecular formula but with the atoms connected differently are reffed to as correct answer: constitutional groups When hydrocarbons undergo complete combustion, the product(s...

Alkane RCH3 Alkene (internal) Alkene (terminal) Nitrile RC≡N Ether R-O-R Epoxide Thiol RCH2-SH Sulfide R-S-R Disulfide R-S-S-R Sulfonium salt Quaternary ammonium salt Aniline Phenol Carboxylic acid Acyl chloride Acid anhydride Ester Thioester Amide (NH2 NHR NR2)

The solution is clear and colorless correct answer: Fe 3+, Cr 3+, and Ni 2+ is absent Step B. The solution was made basic and barium hydroxide was added. A white precipitate formed. correct answer: SO4 2- is present Step C. Silver nitrate was added the precipitate dissolves. correct answer: Cl- is present Step C. A brown ring test was performed and the brown ring formed. correct answer: NO3- is present A flame test on the unknown showed a reddish color. correct answer: Ca 2+ is ...

True of False: Upon standing, the solute and solvent will NOT separate by gravity correct answer: True True of False: The solvent will always be liquid correct answer: False Definition of Molarity correct answer: moles of solute/volume of solution The name given for a solution that contains less solute than it has the capacity to dissolve correct answer: Unsaturated The name given for a solution in which the maximum amount of solute is dissolved correct answer: Saturated Name...

What four factors affect reaction rates? correct answer: -concentration of reactants -Temperature -Catalysts - Physical state of reactants relationship between reaction rate and activation energy correct answer: The higher the activation energy, the slower the reaction rate Effect of catalysts on reaction rates, why does this happen? correct answer: Catalysts speed up reaction rates because it lowers the activation energy What is an autocatalysis? correct answer: The reaction ...

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CHEM 214 General Chemistry II Lab - Experiment 009: Solubility Product Constant (Ksp) and Common-Ion Effect. Experiment 009: Solubility Product Constant (Ksp) and Common-Ion Effect References: Suz anne Slayden, 2018, Chemistry 213, 214, 272 Laboratory Experiments, 7th Edition, pages 222-230. George Mason University, Department of Chemistry and Biochemistry. Solubility Product; 2020. Solubility Product, Distance Learning Summer 2020, accessed via Blackboard. CRC Handbook of Chemistry and Physics,...

Friederich Wohler correct answer: Father of organic chemistry Determined that biological molecules can be synthesized in lab Carbon correct answer: Very stable Wants 4 bonds Can bond with many things Organic Compounds correct answer: Contain carbon Atoms bound by covalent bonds Essential to life! ex. amino acids; DNA Element Bond Preferences correct answer: Carbon: 4 bonds -Can be single, double, or triple Nitrogen: 3 bonds, 1 lone pair -Single, double, or triple Oxygen: 2...

What is an electrophile? correct answer: compound or ion that are poor in electron density- LOVES AVAILABLE ELECTRONS Same as Lewis Acid What is a nucleophile? correct answer: is an ion or a compound that is capable of donating a pair of electrons-- THEY WOULD LOVE TO ATTACK A NUCLEUS These are the exact same a Lewis Base THESE SHARE ELECTRON DENSITY Examples of Nucleophiles correct answer: I-, Cl-, Br-, HS-, RO-, HO-,NH2- Nucleophilic Attack correct answer: shows the nuc...

strong base, weak nucleophile correct answer: NaH strong base, weak nucleophile correct answer: DBN strong base, weak nucleophile correct answer: DBU strong base, strong nucleophile correct answer: HO- strong base, strong nucleophile correct answer: MeO- strong base, strong nucleophile correct answer: EtO- weak base, strong nucleophile correct answer: I- weak base, strong nucleophile correct answer: Br- weak base, strong nucleophile correct answer: Cl- weak ba...