Why does sodium octadecanoate waste soap during washing
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Calculate the temperature rise when 0.2g of propane is used to heat 400cm cubed of water.

What lessons does the history and study of the periodic table offer to other fields of science, and the pursuit science more generally

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.