Acertain wave has a wavelength of 35 meters and a frequency of 4.0 hz. what is the speed of the wave? a) 8.8 m/s b) 31 m/s c) 39 m/s d) 140 m/s

Some liquids can be distilled, but only at temperatures that are so high that it is impractical, or so high the compound decomposes. explain why distillation such compounds at significantly less than atmospheric pressure (some degree of vacuum) would solve this problem.