Which functions of water in living systems would still be possible if water was not polar and did not form hydrogen bonds? Check all that apply. climate regulation dissolving ionic compounds for biological reactions
providing body support by exerting pressure on cell walls
providing body support through buoyancy transport of nutrients within organisms temperature regulation in many organisms

Complete the following reactions using word and balanced equations including states. dilute phosphoric acid is added with a calcium hydroxide solution.

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)

Why is it that 85.48 rounded to two significant figures is 85 and not 86?