Choice beef has gotten more expensive, while select has become cheaper. The result is the price difference between the two grades of meat has exploded to 19 cents a pound from 3 cents a pound just a few months ago, helping to make the higher-quality beef more costly for all shoppers.
Apr 6, 2015. It is usually not a chemical reaction. Bubbles are often the result of agitation of toilet water or cleaning chemicals/detergents in the toilet. If the bubbles persist in foamy consistency even in standing water, it means there might be some denatured proteins in urine.
Dynamic equilibrium occurs when the chemical reaction continues to proceed, but the amount of products and reactants remain constant. This is one type of chemical equilibrium. By Anne Marie Helmenstine, Ph.D. Learn about the basics of chemical equilibrium, including how to write the expression for chemical equilibrium.