. Huyền phù đất sét trong nước gồm các hạt hình cầu có đường kính 10-5 m chiếm 30% khối lượng, phần còn lại là các hạt có đường kính 5.10-5 m. Tính bề mặt riêng và độ phân tán của hệ.

Calculate the mass of silver needed to react with chlorine to produce 126g if silver chloride?

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.

Which process describes vaporization that takes place below the surface of a liquid? condensation melting boiling evaporation