Methanol (ch3oh) and ethylene glycol (c2h6o2) are considered non-electrolytes

a)true
b)false

An uncovered pot of water lies out in the sun. which statements correctly describe what happens at the surface of the liquid water? 1. the vapor pressure remains constant regardless of the water temperature. 2. the vapor pressure is produced by water molecules that have evaporated. 3. the vapor pressure increases as the sun heats the water in the pot. 4. evaporation stops once the vapor pressure reaches a certain point. 5. evaporation and condensation both occur on the liquid’s surface.

Answer immediately when two or more atoms of the same element are in a chemical bond, the substance is called a(n) a. compound b. molecule c. nucleus

Sulfur and oxygen atoms are present in sulfur trioxide, so3. to make 10^20 molecules of so3, how many atoms of s and how many of o are needed?