Two forces F1 and F2 applied on a crate/box lying on a frictionless ,horizontal surface as shown in the diagram The magnitude of force is greater than that of force F2. Describe the state of motion of the crate

when heated, the valance electrons increased their speed and transferred the heat from electron to electron.   i just took the test.

part 1: which substance has a higher solubility?

a

smallest amount left undissolved atall temps in table shown most has dissolved high sol'by

answerdmitry mendeleyev made a workable classification of the elements