Hello! i was looking for some advice on my organic chemistry lab. we were supposed to separate and identify a solid mixed into a liquid. i found and have confirmed my liquid is acetone by distilling it out of the solid. the solid then turned into a whitish powder while in the round bottom flask.
the part that worries me is that i couldn t get the powder out easily, so i am worried it is impure. is the distillation enough to get all the liquid out, or should i perform some other purification method or even redo the distillation? !

Ialready know the answers to these questions and they are on the attachment. but i just need to know why that answer is the correct one. plz asap! this is for a report that i need to email by 10!

The law of thermodynamics states that energy can't be created or destroyed. to natural sources of energy on earth are the

Clara wrote the following hypothesis for an experiment about acidophilic bacteria. bacteria cells will stop dividing in a basic (alkaline) environment because of the high ph. which statement is the best way to restate the hypothesis so that it is more specific? growing acidophilic bacteria in some environments will cause the cells to stop dividing because of ph. if the ph of their environment is changed, acidophilic bacterial cell division will be affected. if the environment of acidophilic bacterial cells becomes alkaline, the bacteria will stop dividing. the more alkaline an environment, the less cell division will occur in bacteria.