If 62.6 g of lead (II) chloride is produced, how many gams of lead (II) nitrate were reacted? A.) 74.6 g Pb(NO3)2
B.) 74.6 g Pb(NO3)
C.) 56.4 g Pb(NO3)2
D.) 56.4 g Pb(NO3)

Silica, sio2, is formed on silicon as an electrically insulating layer for microelectronic devices. silica is formed when silicon is exposed to o2 gas at an elevated temperature. at 900˚c, it takes 90 minutes for the oxygen to diffuse from the surface to form a 0.06 micron (0.06 x 10-6 m) thick layer of sio2 on

Water is important for the of cells. a: size, shape, and temperature b: temperature, color, and odor c: color, odor, and size d: shape, temperature, and color

What would happen to a volleyball left outside in the winter? o o o o a. it would expand. b. it would lose air. c. it would shrink. d. it would explode.