What is the potential energy of a 3 kilogram-ball that is on the ground

Write the symbol for every chemical element that has atomic number greater than 3 and atomic mass less than 12.0 u.

The table lists pressure and volume values for a particular gas. which is the best estimate for the value of v at p = 7.0 × 103 pascals?

If 1.8 l of water is added to 2.5l of a 7.0 molarity koh solution, what is the molarity of the new solution