Which of these aqueous solutions would have the lowest freezing point? 0.10 mol kg-1 of ethanol 0.10 mol kg-1 of glycerol 0.05 mol kg-1 of ethanol and 0.05 mol kg-1 of glycerol 0.05 mol kg-1 of ethanol and 0.05 mol kg-1 of methanol all the same

The tendency of water molecules to stick together is referred to as a) adhesion b) polarity c) cohesion d) transpiration e) evaporation

Exit what is the density of an object having a mass of 5.0 g and a volume of 45.0 cm3?

Dumbledore decides to gives a surprise demonstration. he starts with a hydrate of na2co3 which has a mass of 4.31 g before heating. after he heats it he finds the mass of the anhydrous compound is found to be 3.22 g. he asks everyone in class to determine the integer x in the hydrate: na2co3·xh2o; you should do this also. round your answer to the nearest integ