A virus has a mass of 9x 10^-12 and an oil tanker has a mass of 3x 10^7 kg. Use this information to answer the questions below. Be sure your answers have the correct number of significant digits.

Which two scientific disciplines are bridged by pharmaceutical drugs? chemistry and forensics chemistry and medicine biology and forensics biology and criminology

Under normal conditions, describe how increasing the temperatures effects the solubility of a typical salt

If a molecule with a molecular formula of c13h18 is treated with an excess of h2 in the presence of finally divided pt metal under conditions required for maximum hydrogenation of the molecule to give a molecule with a formula c13h24, how many rings are in the molecule?