What must be in balance for temperatures to remain constant?

What three things determine the shape and size of a puddle when water is poured out onto a surface

What element has similar physical and chemical properties as boron.

Asubstance is held in an open container. its particles move past one another at random speeds but do not leave the container. heat is removed from the system, and the particles slow down. when enough heat is removed, the particles no longer have enough speed to overcome the weak attractive forces between them. when this happens, the substance enters its solid state. the process described above is known as .