Calculate the solubility of cux(ksp=[cu2 ][x2? ]=1.27×10? 36 in a solution that is 0.120 m in nacn.

How many moles of oxygen gas are produced from the decomposition of six moles of potassium

Scientists often have to deal with numbers that are either very large or very small. for example, the radius of the sun is approximately 696,000 kilometers, while bacterial cells are as small as 1.9 × 10-4 millimeters. express each number in an alternate form.

Arectangle has a diagonal 20 inches long that forms angles of 60 and 30 with the sides. find the perimeter of the rectangle. for geometry