Procedure A & Procedure B Data
Relative rates:	(same temperature)
		Procedure A		Procedure B
		Time (sec)
chlorobutane		8		no rxn
benzyl chloride		23		21
2-chlorobutane		285		49
2-methyl-2-chloropropane		no rxn		2
chlorobenzene		no rxn		no rxn
bromobutane		<1		124
benzyl bromride		<1		4
2-bromobutane		142		9
2-methyl-2-bromopropane		no rxn		~1
bromobenzene		no rxn		no rxn
2-methyl-2-bromobutane		no rxn		~1
bromocyclopentane		585		10
bromocyclohexane		434		12
allylbromide		<1		18