Is the following equation balanced or unbalanced?
HPO4 + MgCN -> 2 HCN + Mg3PO4

In a water molecule, hydrogen and oxygen are held together by a(an) bond. a) double covalent b) ionic c) nonpolar covalent d) hydrogen e) polar covalent

The tendency of water molecules to stick together is referred to as a) adhesion b) polarity c) cohesion d) transpiration e) evaporation

How many grams of oxygen gas are contained in a 15 l sample at 1.02 atm and 28°c? show your work.