(a) What value of absorbance corresponds to 45.0% T? (b) If a 0.010 0 M solution exhibits 45.0% T at some wavelength, what will be the percent transmittance for a 0.020 0 M solution of the same substance?
Gabriela Montalvo C10596017 CHM 206NX Sicheng Tang Experiment 7: SN1 and SN2 Reactions I . Introduction The objective of this lab was to determine whether different reagents are more reactive in SN2 or SN1 reactions. The purpose of this experiment was to observe the reactions of Alkyl Halides with different types of solvents and understand the mechanism of these reactions. In such reactions, a leaving group on an organic substrate is replaced by a nucleophile. The difference is in the mechanism. SN2 reactions occur in a single step, whereas SN1 reactions occur in two steps with a carbocation intermediate. SN2 happens when a bond is broken and a new bond is produced only in one reaction step. The structure of the organic substrate determines which mechanism it