Calculate the molar mass of iron oxide

Why does a plastic bottle that is sealed at a high altitude change it’s shape when taken to lower altitude

To apply in a gold the individual gold atoms are united to each other by means of a metallic bond. how would you use the gold block to determine the atomic radius of a gold atom?

Which of the following is not an assumption that scientists must make about the natural world? a. regularity b. causality c. predictability d. plausibility