Draw the correct mechanism for the bromination of an alkene reaction using trans-cinnamic acid while clearly showing how the appropriate stereochemistry results.

What is the number of atoms in 3.54 mol s

Which statement is usually true about the relationship between activation energy and reaction rates? low activation energy barriers result in low rates. high activation energy barriers result in low rates. low activation energy barriers result in no reaction. high activation energy barriers result in no reaction.

If anyone would be able to me out with these three questions it would be these are from the chem 2202 course.