In order to develop good sleep hygiene, one should strive to do all of the following except a. exercise right before bed b. avoid caffeine before bedtime c. avoid food at least an hour before sleep d. establish a sleep-friendly environment

What happens when chlorine reacts with bromine? a. electrons move from the chlorine atoms to the bromine atoms. b. electrons move from the bromine atoms to the chlorine atoms. c. electrons are shared between the chlorine atoms and the bromine atoms. d. electrons become delocalized among the atoms.

Work out sian speed for the first 30 minutes of her journey. give your answer in km/h.

Steam enters an adiabatic diffuser at 150 kpa and 1208c with a velocity of 550 m/s. determine the minimum velocity that the steam can have at the outlet when the outlet pressure is 300 kpa.