9 Which of the following molecules possesses tetrahedral geometry?(A)XeF₄(B)BF₃(C)AsF₅(D)CF₄(E)NH₃

35 A reaction that has a very low activation energy exhibits which of the following characteristics?(A)The rate is very sensitive to temperature.(B)The rate does not change significantly with temperature.(C)It must be second order.(D)It produces a curved Arrhenius plot.(E)It must be first order.