dihydrogen monoxide is a(n) a. empirical formula b. ionic compound c. molecular formula d. covalent compound

What happens to energy in an open system?

0.2348 grams of pbcl2 used to form 44.0 ml of solution.

The characteristic of two different types of reactions are shown below. reaction a: electrons are gained by the atoms of an element. reaction b: protons are lost by the atom of and element. which statement is true about the atoms of the elements that participate in the two reactions? a: their identity changes in both reaction a and b. b: their identity changes in reaction a but not b. c: their identity changes in reaction b but not a. d: their identity remains the same.