This class is using Elements of Chemical Reaction Engineering Fifth edition by Fogler. Can you explain how these answers were produced? And explain it like I'm an dingdong. Label your equations with things like "This is the design equation" "I built this equation by combining this and that equation" etc. I received a 17% on the test and I'm trying to learn but the book is difficult.

Q#5. An irreversible liquid-phase reaction AB is studied in an isothermal constant volume batch reactor, and the following data are obtained: Time, min Ca, mol/lit 0 10 20 30 40 50 60 70 80 90 100 2.50 2.10 1.78 1.50 1.30 1.15 1.01 0.90 0.81 0.73 0.66 Find a kinetic rate expression to fit these data. Give rate constant with units