Acontainer has the dimensions of 10 cm x 50 mm x 0.2 m. it is filled completely with 5.0 kg of a powdery ore. what is the density of the ore in g/cm3 ? (d=m/v)
0.05 g/cm3
5.0 g/cm3
50 g/cm3
500 g/cm3

Sulfuric acid (a component of acid rain) reacts with limestone (calcium carbonate) to produce calcium sulfate and carbon dioxide. this damages buildings and statues made of limestone. which solution of sulfuric acid will damage these structures more quickly? a. 0.001% b. 0.005% c. 0.010% d. 0.015%

__can be defined as which velocity changes

Which buffer would be better able to hold a steady ph on the addition of strong acid, buffer 1 or buffer 2? explain. buffer 1: a solution containing 0.10 m nh4cl and 1 m nh3. buffer 2: a solution containing 1 m nh4cl and 0.10 m nh3