What should be done with an unused or used chemical once it has been taken from the original container?

Which best describes how sediment forms?

Which explanation best compares the movement of particles in three states of matter?

When 0.873 grams of a protein were dissolved in 48.6 mL of solution at 15.6 degrees C, the osmotic pressure was found to be 0.061 atm. Calculate the molar mass of the protein.

The seeds are removed from cotton fibre by what

Element X is a solid that is brittle, lacks luster, and has six valence electrons. In which group on the Periodic Table would element X be found? (1) 1 (3) 15 (2) 2 (4) 16

Compare and contrast chemical potential energy and elastic potential energy

Which of the answer choices best describes how electrons move, according to modern atomic theory? They vibrate in place. They move like planets. They move in orbitals. They slide past each other.

The total solute concentration of a red blood cell is about 2%. Sucrose cannot pass through a red blood cell's plasma membrane, but water and urea can. Which of the following solutions will cause a red blood cell to shrink? a.

A geologist discovered fossils of marine animals in a layer of sedimentary rock in the desert. Based on this discovery, what conclusion can the geologist draw?

How do metals form chemical bonds with other metals?