En que epoca aprendieron a trabaja el cobre y otros metales?

Use the table to identify the phase and phase changes of the elements under the given conditions. write the name of the substance, phase, or phase change

4. propanol and isopropanol are isomers. this means that they have a) the same molecular formula but different chemical properties. b) different molecular formulas but the same chemical properties. c) the same molecular formula and the same chemical properties. d) the same molecular formula but represent different states of the compound

Is it safe to take 450mg of diphenhydramine hydrochloride?