Prices range between $1.59 and $4.00 per square foot. Freight and/or installation not included. An infill material (usually sand) is brushed into the top of the grass that adds to the weight of the installed grass and acts as a ballast.
A chemical formula is a way of expressing information about the proportions of atoms that constitute a particular chemical compound, using a single line of chemical element symbols, numbers, and sometimes also other symbols, such as parentheses, dashes, brackets, commas and plus (+) and minus (â) signs.tructural formula for butane. This is not a chemical formula. Examples of chemical formulas for butane are the empirical formula C 2 H 5, the molecular formula C 4 H 10 and the condensed (or semi-structural) formula CH 3 CH 2 CH 2 CH 3.
chemical compound - (chemistry) a substance formed by chemical union of two or more elements or ingredients in definite proportion by weight. compound. chemical science, chemistry-the science of matter; the branch of the natural sciences dealing with the composition of substances and their properties and reactions.