What is an effect of la niña? A. Florida
B. south America becomes drier than normal
c. fish populations off the coast of Peru decrease
D. Alaskan fish populations increase

Aluminum reacts with chlorine gas to form aluminum chloride via the following reaction: 2al(s)+3cl2(g)→2alcl3(s) what is the maximum mass of aluminum chloride that can be formed when reacting 32.0 g of aluminum with 37.0 g of chlorine? express your answer to three significant figures and include the appropriate units.

Calculate the molar mass of aluminum oxide (al2o3). express your answer to four significant figures.

Ageologist determines that a sample of a mineral can't be scratched by a steel nail but can be scratched by a masonry drill bit. based on this information, the sample mineral has to be softer than a. orthoclase. b. fluorite. c. apatite. d. corundum.