Give two sources of energy that can cause ocean waves

Which process increases the potential energy of the particles of a sample? (1) condensation (3) solidification (2) deposition (4) vaporization

Calculate the mass/volume percent of a NaCl solution in which 140 g of NaCl is dissolved in enough water to give a total volume of 1.59 L.

Protons are blank charged particles

How many grams of calcium fluoride contain 38 grams of fluoride atoms

Which statements describe proper use of a filter funnel? Check all that apply. Cut the filter paper in half before placing it in the funnel. Fold the filter paper in fourths before placing it in the funnel. Pour all the liquid through the funnel.

What is the formula for chlorine monoxide?

Enny places a strip of pH paper into a solution. When she removes the pH paper, it has turned yellow-green. What should Jenny do next to determine the pH of her solution?

The electron affinity of Bi is - 94.6 kJ and the value for At is - 280 kJ. What is the approximate electron affinity for Po?

Practice of leaving the stalks of crops in the ground to anchor topsoil

Potassium (K) has an atomic number of 19. It often forms an ion by losing 1 electron. How many electrons would the ion have?