When 25 g of diethyl ether (C4H10O) is converted to vapor at its boiling point, about how much heat is absorbed? (heat of vaporization, ΔHvap = 15.7 kJ/mol)

Which of your 24 wells had indications that a chemical reaction occurred? how were you able to tell that a chemical reaction occurred? which of your 24 wells had indications that a physical reaction occurred? how were you able to tell that a physical reaction occurred? report on both mixing and evaporation. make a general statement about whether your hypotheses were validated or rejected. must your hypotheses be correct for this to be a successful laboratory?