Oregon State University

Environmental 3200 Exam 2 Practice Questions and Answers | Environmental Science Review Guide

ENR 3200 Exam 2 Practice Questions and Answers | OSU Environmental Resources Study Guide

ENR 3200 Exam 1 Review Questions and Answers | OSU Environmental Resources Practice Guide

ENR 3200 Exam 1 OSU Practice Questions and Answers | Environmental Resources Study Guide

ENR 3200 Exam 2 OSU Practice Questions and Answers | Oregon State Environmental Resources Review

How to make C-C bond for synthesis problems - Answer start with alkyne deprotonate (add strong base, usually NaNH2) add alkyl halide How to make cis alkene from alkyne - Answer H2 and Lindlars catalyst How to make trans alkene from alkyne - Answer Na metal in liquid NH3 alkene hydrogenation - Answer - h2 and metal (pd/pt) -break pi bond, add H to each carbon -syn addition alkene hydrohalogenation-- just HX - Answer - HX (HCl, HBr) - break pi bond, ...

What are the four exposure routes by which harmful chemicals can enter the body? - Answer Inhalation, injection, absorption and ingestion You should never heat a _____ ______ with a burner flame - Answer graduated cylinder How to you properly dilute concentrated acids and bases? - Answer By pouring the reagent into water while stirring carefully and constantly. Never pour water into concentrated acid (add acid) and never add concentrated acid to concentrated base of vice ...

When determining the melting point of a compound, which of the following may cause the observed melting point to differ from the accepted literature melting point? - Answer Impurities present in the sample will affect the melting point. Residual solvent or moisture in the sample will affect the melting point. Rapid heating of the sample will affect the observed melting point. Impurities present in the sample will affect the melting point. In this experiment, you will have an organic ...

Slaters Rule - Answer same n = 0.35 n-1 = 0.85 all others = 1 Slaters Rule - Answer same n = 0.35 n-1 = 0.85 all others = 1 IR active vibration - Answer Must give rise to a change in the dipole moment of the molecule Raman active vibration - Answer Must give rise to a change in the polarizability of the molecule Determining hybridization - Answer # of atoms + # of lone pairs =x if x= 4 --> sp3 x=3 --> sp2 X=2 --> sp Cubic Close Packing...

Constitutional isomers - Answer share the same molecular formula but have different connectivity of atoms and different physical properties Lone pairs - Answer a pair of unshared electrons valencene electrons - Answer A formal charge occurs when an atom does not exhibit the appropriate number of _______________. individual atom, entire molecule - Answer An atomic orbital is a region of space associated with _____________ while a molecular orbital is a region of s...