Achemist mixed two substances together: a blue powder with no smell and a colorless liquid with a strong smell. their repeating groups of atoms are shown above on the left. after they were mixed, the chemist analyzed the results and found two substances. one ending substance had the repeating group of atoms shown above on the right.

is the ending substance the same substance as the blue powder? what happened to the atoms of the starting substances when the ending substances formed? be sure to explain your answers to both of these questions.

both adhesion and cohesion are attractions.

they are different in that adhesion is the force of attraction between the molecules of two different substances, whereas cohesion is the force of attraction between molecules of the same substance.

possible examples include capillary action, in which the adhesion between water and glass causes the water to rise in a narrow tube against the force of gravity.

because of hydrogen bonding, water is extremely cohesive.

this causes molecules on the surface of water to be drawn inward, which is why drops of water form beads on smooth surfaces.

hope this .

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there are two significant figures.