Ahydrate of cobalt (iii) oxide has the following formula: co2o3 - x h2o. the water in a 3.41-g sample of the hydrate was driven off by heating. the remaining sample had a mass of 3.08 g. find the number of waters of hydration (x) in the hydrate.

Two atoms interact with each other as shown by the equation. complete the equation by filling in the missing parts. 1 2 3 4 5 h he li

Adilute aqueous potassium nitrate solution is

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?