Which of the following best describes a precipitate? A. a solid formed when two solutions are mixed

B. a solid formed when a liquid freezes

C. a layer of liquid formed when oil and water are mixed

D. a gas formed when alcohol evaporates

Please and Thank you!

Pbco3 –> pbo+ co2. how many liters of carbon dioxide gas is produced from the decomposition of 32 grams of lead (ll) carbonate?

If the density of water is 1.0 g/cm3, which of these materials would float in water, based on their densities? check all that apply. aluminum cork iron lead wax

Why is soap used to remove grease? a. its nonpolar end dissolves the grease. b. it makes the water bond with the grease. c. it chemically bonds with the grease. d. its polar end dissolves the grease.correct answer for apex - a, its nonpolar end dissolves the grease.