There is a shortcut to this Chem question. simply look at this problem as if it were a cooking recipe. you have 7 parts Carbon and 18 Parts Hydrogen for a total of 25 parts. Simply divide 5.2 by 25 then multiply by 7 to get your answer.
(5.2/ 25) 7 = 1.456 moles
Physical - the pink can be super light pink, or a darker pigmented pink. it is cut into many different shapes, like beads, spheres, etc.
http://geology.com/gemstones/rose-quartz/
Chemical - a chemical property is it is the chemical formula Silicon Dioxide, SiO<span>2</span>
It is more energetically stable to do that. Nature prefers to have a low energy state. If you go somewhere in nature you will usually find a low energy state object or material.
Put the mixture in water, the pebbles will sink, the pepper will float, and the sugar will dissolve
