When a student evaporated 500mL of a saturated solution of silver phosphate, 0.0125g of solute remained. Calculate the Ksp for the silver phosphate.

What is impossible to do with a hypothesis

The polymer used for the nonstick surface of cooking utensils is 24.0%c and 76%f by mass. what is the empirical formula of this polymer?

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?