can i know please 31 & 32

thanks a lot

i meant 30 and 31

Question 30 (1 point) Reaction mechanisms do not need to represent the whole reaction O are only 'best guesses' at the behaviour of molecules do not involve any reaction intermediates are easily determined cannot be determined without knowing the enthalpy of the reaction Question 31 (1 point) The following diagram represent a kinetic energy distribution at two temperatures, Number of Molecules with a Partie dar Kinetic Energy Kinete Energy In comparing the two temperatures, it is obvious that 123 it cannot be determined