Where on a typical human body, do we experience the greatest air pressure, and why?

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.

What is the value of keq for the reaction expressed in scientific notation?

Find the number of grams of hcl needed to react completely with .50 moles of magnesium.