A chemistry student needs 30 ml of acetone for an experiment. By consulting the CRC Handbook of Chemistry and Physics, the student discovers that the density of acetone is 0.790 g . cm^-3 . Calculate the mass of acetone the student should weigh out. Round your answer to significant digits.

Using data from seismic waves, geologists have learned that earth’s interior is made up of several

What natural processes produce large quantities of co2

Two people each hold the end of a rope and create waves by moving their arms up and down. this wave is best classified as a transverse wave because a) both the rope particles and the wave are moving in the same direction. b) the wave is moving up and down as the particles of the rope move horizontally. c) the wave is moving horizontally as the particles of the rope move up and down. eliminate d) the wave is moving in a parallel direction with the motion of the person's arms.