Does a reaction occur when aqueous solutions of zinc nitrate and cobalt(II) iodide are combined? If a reaction does occur, write the net ionic equation.

Which describes fat? a: a carbohydrate that produces energy b: a nucleic acid that directs cell function c: a lipid that stores energy d: a protein that speeds up a chemical reaction

What is the ph of a solution that has a hydrogen ion concentration of 1.0 * 10 -9 m?

The fact that the total amount of energy in a system remains constant is a(n)