What is the density of a 7.68 g plastic cube measuring 2.2 cm on each side? Will this cube float or sink if placed in a glass of water?

How many grams of co(g) are there in 74.5 ml of the gas at 0.933 atm and 30o c?

The number of neutrons is equal to the atomic number minus the atomic mass. a. true b. false

20 pts ‼️ an unmanned spacecraft travels to mars. mars has a lower strength of gravity than earth. where in the image is the spacecraft’s weight the greatest?