Calculate the volume of 1 m naoh needed to prepare 10.0 ml of a 0.10 m solution.

0.09 moles of sodium sulfate in 12 ml of solution

What is the force of an object when it landed(sitting in the ground)

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.