Pyramids were built in Ancient Egypt as tombs, or burial places, for Egyptian pharaohs, or kings. They believed that the pyramids made you immortal. The Ancient Egyptians believed in an afterlife, so it was very important to them to protect the bodies of their pharaohs.
CaCO3, or calcium carbonate, has a molar mass of 100.09 grams per mole. This means there are roughly 566 grams of CaCO3.
How is CaCO3 ----------------- CaO CO2 balanced? â¦ gen atom in CaO to the double Oxygen atom in CO2.basic maths makes it 1+2=3. Four Figures at the Fall of the Han Dynasty Perhaps one of the defining moments in the grand timeline of Chinese history is the fall of the Han Dynasty. 2  This period of time, known as the Three Kingdoms period in China,â¦.