37. The United States chemical industry produces more sulfuric acid (H2SO4)in terms of mass, than any other chemical. What is the mass of 3.25 mol of H2SO4?
38. What is the mass of 4.35 x 10 2 mol of zinc chloride (ZnCl.)?
39. Challenge Write the chemical formula for potassium permanganate, and then calculate
the mass in grams of 2.55 mol of the compound.

What must happen before a body cell can begin mitotic cell division

Some liquids can be distilled, but only at temperatures that are so high that it is impractical, or so high the compound decomposes. explain why distillation such compounds at significantly less than atmospheric pressure (some degree of vacuum) would solve this problem.

Need what is special about water as a compound? how does water regulate climate? what drives water evaporation?   why is the water vapor fresh water when it rises from the ocean? why might freshwater in the form of snow take longer to enter the water cycle again than liquid precipitation?   what is an aquifer? what role do people play in the water cycle? plz just answer as many as you can ! thx if you !