How many 2º alkyl bromides, neglecting stereoisomers, exist with the formula c6h13br?

Secondary alkyl halide will be which have carbon attached to two other carbon atoms and the bromine is attached to such carbon.

So in case of bromo-hexane the following will be 2 degree or secondary alkyl halide

8 m/s because for him to get the same amount of energy as ray is putting out, bobby, who weighs half as much as ray, needs to run twice as fast.

it would be b. 6co2 + 6h2o --> c6h12o6 + 6o2