How many milliliter did 2.5M HCL are required to exactly neutralize 15 milliliters of 5.0M NaOH

You are making a solution of calcium chloride dissolved in water. you add solid, stir, and it dissolves. you add just a spatula tip full, stir, and the solid does not dissolve. how could you describe the solutions before and after adding the spatula tip amount

Choose all the answers that apply. as ocean depth increases, temperature decreases temperature increases pressure increases pressure decreases salinity increases density increases

When a spring is compressed, the energy changes from kinetic to potential. which best describes what is causing this change?