15. Mercury is a liquid at room temperature and has a density of 13.6 g/mL. A sample of an unknown solid substance whose volume is 450 cm is found to have a mass of 6.50 kg. Assuming it did not chemically react with or dissolve in
mercury, would it float in the mercury? Remember to change grams. Show your work!

Which best expresses the radical republican philosophy of reconstruction? a. the confederate states were conquered territories that should be ruled by military governors. b. the southern states actually never left the union. c. if ten percent of the voters of a state that had seceded took an oath of allegiance to the union, then it should be readmitted as a state.

Montesquieu suggested dividing government into

Alexander hamilton was one of the most important of the founding fathers. which of the following is he responsible for? select all that apply.