How many liters of oxygen are used to produce 6.5g of iron oxide?

Which type of bonding involves the complete transfer of a valence electron from a less electrogrative atom to a more electronegative one

Why are people not able to scuba dive in the deep part of the ocean

The diagram shows the relationship between scientific disciplines.the names of some scientific disciplines have been removed from the boxes. which scientific discipline belongs in the blue box? a.physics b.biology c.chemistry d.metallurgy