Astudent puts a glass of water in the freezer. later, he notices ice forming on the surface of the water. which property of water best explains why ice forms on its surface? a. ice has more surface tension than liquid water. b. ice is less dense than liquid water. c. ice has a lower freezing point than liquid water. d. ice is more cohesive than liquid water. e. ice can dissolve more oxygen than liquid water.

Joseph has hypothesized that sound travels in waves. if he were following the scientific method, what should he do next? a. ask a question. b. test the hypothesis. c. study the results. d. tell other scientists about his hypothesis.

In which reaction is precipitation occurring?

Many free radicals combine to form molecules that do not contain any unpaired electrons. the driving force for the radical–radical combination reaction is the formation of a new electron‑pair bond. consider the chemical equation. n(g)+no(g)⟶nno(g) n(g)+no(g)⟶nno(g) write lewis formulas for the reactant and product species in the chemical equation. include nonbonding electrons. n(g)n(g) select draw rings more erase select draw rings more erase select draw rings more erase n no(g)