If you move an object from the base of a mountain to the top of the mountain what happens to its mass and weight

In the particles are arranged in a regular, repeating pattern. a)a crystalline liquid b)a crystalline solid c)all gases d)all solids

Freezing and boiling are endothermic processes. this means that these processes absorb energy from their surroundings in order to occur. use this information and the data you collected in the phase change gizmo to describe what happens to the temperature of water when you boil it, then explain why this result occurs.

How many grams of magnesium metal will react completely with 8.3 liters of 5.5m hcl? show all work