8-56 propose mechanisms consistent with the following reactions. (a) (a) br hbr roor (b) h2so4(b) ohh 2o (c) hbr (c) br br (d) chbr3 naoh (d) br br (e) (e) br br cl br hcl ch3ch2oh och2ch3 (f) o ch3ch2 h , h2o h oh h oh ch2ch3 ch2ch3

Which statement is actually 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.