Compare how entropy changes for the following two systems: System A: A gas and a solid react to form a new solid product.

System B: Rubbing alcohol evaporates on the skin.

What is i fracture in the crust called when land move up, down or sideways

Sally is making a model of a magnesium atom with an atomic mass number of 24 for her chemistry class. she has foam balls for the protons, neutrons, and electrons. she has added 6 neutrons to her model so far. how many more neutrons does she need to add to complete her neutral atom of magnesium?

Acontrol during an experiment. might change remains constant does not exist does change