Bromination of (z)? 3? hexene yields racemic 3,4? dibromohexane. provide a detailed mechanism for formation of the (3s,4s)? enantiomer, specifically showing br2 addition occurring from the top face of the alkene.

In a ni-cd battery, a fully charged cell is composed of nickelic hydroxide. nickel is an element that has multiple oxidation states. assume the following proportions of the states: nickel charge proportions found 0 0.17 +2 0.3 +3 0.33 +4 0.5 (a) determine the mean of the nickel charge. enter the answer to 2 decimal places.(b) determine the cumulative distribution function of nickel charge.