Which of the following compounds has the highest percent iron (Fe) content by weight?

a)FeI3
b)Fe(OH)2
c)Fe(OH)3
d)FeCl3
e)FeBr3

The diagram shows the structures of horse and cat forelimbs. what does the diagram suggest about the evolutionary relationship between these two mammals? a. they have homologous structures, indicating a common ancestor. b. they have analogous structures, indicating a common ancestor. c. they have homologous structures, indicating that they do not have a common ancestor. d. they have analogous structures, indicating that they do not have a common ancestor.

How does the presence of oxygen affect the chemical pathways used to extract energy from glucose?

How many grams are in one mole of lead?