3. True or False: If a ball with a density of 0.90 g/cm² is submerged in ethanol, it may
float up by adding water to ethanol. (The density of water is 1.0 g/mL
and the density of ethanol is 0.80 g/mL)

Which of the following natural processes is most likely to support the formation of an underwater sinkhole? a pollution buildup from deposited minerals b limestone cave collapsing due to changes in sea level c erosion of large amounts of sand moved by ocean waves d oxidation of rock formed by chemical weathering

If 16.00g of hydrogen gas reacts with 126.73g of oxygen, how many grams of water are yielded? (both reactants are completely consumed in the reaction.)

Which is an example of a reversible physical change?