Identify one step in the water cycle that is driven by the force of gravity

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

Consider the following system at equilibrium. caco3(s) ca2+(aq) + co32–(aq) the addition of which compound will cause a shift in equilibrium because of a common ion effect? ccl4 co2 cuso4 na2co3

(1.6 × 10-19)(5.0 × 106) = c × 10d identify the missing numbers below to show the result of multiplying the numbers.