If 0.45 mols of mno2 can react with 0.28 moles of hcl, how many moles of cl2 could be produced

Harvey mixes two liquids. which observation of the new mixture most likely indicates a precipitate is forming?

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.

How many atomic mass units are equal to 1.672×10−24 g of protons?