Calculate the pOH of an aqueous solution at 298 K when the hydroxide ion concentration is 3.7 x 10-5 M.

Write a formula for the compound that forms from calcium and phosphate.

Which of the following is a possible set of quantum numbers for an electron 1) 1, 1, 0, + 1/2 2) 2, 1, 1, + 1/2 3) 3, 2, 3, - 1/2 4) 3, - 2, 1, - 1/2

How many atoms are in 0.065 moles of Hg

What is the pH of a solution with a hydrogen ion concentration of (1.00 x 10^-6) ?

Which statement about ribosomes is correct? Prokaryotic ribosomes are larger than eukaryotic ribosomes. Prokaryotic ribosomes are smaller than eukaryotic ribosomes. Prokaryotic and eukaryotic ribosomes are same in size.

Each enzyme has an optimal temperature and pH that it works best in. If enzyme ABC works best at pH 7, but ABC is in a cell with a pH of 9, will it catalyze more or less reactions?

What is the molarity of a solution that contains 5.0 moles of solute in 2.0 liters of solution?

Area immediately surrounding a hazardous material incident which extends far enough to protect personnel outside the zone from contamination.

What is the smallest part of a tree that can do all the things needed for life?

What are solid mixtures in a avarage class