A 84mL portion of 0.10M sulphuric acid was added to 80.0mL of a solution containing 5.10g of barium chloride (molar mass is 208.2 g/mole). Find the mass of barium sulphate (molar mass is 233.4 g/mole) that will precipitate.

Draw the structure for 5-isopropyl-2-methyl-3-nonene

If a gas has an initial pressure of 101kpa and a volume of 10l, then it expands to a volume of 20l, what is the new pressure?

Which statement best summarizes the importance of ernest rutherford’s gold foil experiment? it proved that all of john dalton’s postulates were true. it verified j. j. thomson’s work on the atomic structure. it showed that an electron circles a nucleus in a fixed-energy orbit. it showed that a nucleus occupies a small part of the whole atom.