Isopropyl alcohol contains C, H and O. When 0,255g of isopropyl alcohol is combusted it produces 0,561g of CO2 and 0,306g of H2O, what is the empirical formula of isopropyl alcohol?

What human activity increases beach erosion?

In water, a strong acid will break down into its component parts. a. completely b. partly c. never in water, a weak base will break down into its component parts. a. completely b. partly c. never

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.