5. Acetic acid has a melting point of 16.6°C and a boiling boing of 117.9°C. Sketch a heating curve showing the phase changes of acetic acid. Clearly label all 7 parts like we did in our notes.

Answertheir requirement for travel through the bloodstream.

So the main goal for the elements is stability which is a complete/full valence shell and typically the magic number for a stable element is 8 valence electron but not always. so elements to the left of the periodic table tend to be way less stable then those on the right, so the elements on the left are much more reactive.

The answers to this question are as following: -increase the sample size from 6 cups to 12 cups of sand and water.-use more precise digital thermometers-use more precise scales that measure to the hundredth of a gram