How do I Determine the number of moles in 3.51 x 1023 formula units of CaCl2.

50 pts plz what is the physical state of matter of baking soda.

According to the tide table below what time of day will the highest tide occur? (2 pt) the highest tide will occur at

Alidded glass container is filled with a colored gas. after a period of time, it is observed that the gas is uniformly spread throughout the box and that the movement has slowed considerably. next, a warm iron plate is carefully placed under the box. why is there resumed movement of the gas in the container?