Hi! Which of the following decreases kinetic energy of solvent molecules? ( I need this handed in quickly!)
A. Decreasing the pressure
B. Not stirring the solution
C. Decreasing the contact area between solvent and solute
When a drop of water sits on a leaf, It looks like it has a skin. What is this “skin” a result of? Explain.
What does adding soap do in terms of dissolving solutes? Explain.
Which solution will contain a higher concentration of iodide ions, 0.25 mol/L calcium iodide or .45 mol/L potassium iodide?