The enthalpy change of this reaction is
4 H2 (g) + 2O2 (g) + 4H20 (g)

What is the maximum number of electrons that an atomic orbital can contain?

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

Amap that uses a range of colors and shading to represent the elevation, depth, or landscape of specific features on earth is a/an map.