Illustrate the procedure you will follow to isolate caffeine. (use only pictures you draw to show what you will do. you can write down things like amounts, chemicals used, time, or temperature to go with the pictures.)

Pauling and lewis questioned the extreme definitions of bonds. they wondered if bonds might be described somewhere in between the two extremes (covalent and ionic). on the basis of experimental data, pauling confirmed that bonds could be ionic, covalent, and for those, in between, exhibit a degree of ionic character. he theorized that the major factor was how strongly the atoms in the bond attracted the electrons. pauling called this factor - the tendency of an atom to attract electrons in a bond.

If the same amount of cacl2 is added to equal volumes of water and maple syrup, which will have the higher temperature?

The formation of a solid, also known as a is an indication of a chemical change. precipitate particulate particle powder