URL	Title	Id
http://digfir-published.macmillanusa.com/hm_custom_osu/hmosu-lab18-w13final.html	Chapter 18. Equilibrium and Le Châtelier’s Principle	50e4ab68b11c0f5f64000000
http://digfir-published.macmillanusa.com/hm_custom_osu/hmosu-lab18-w13final_dlap.xml	DLAP questions	50e4ab68b11c0f5f64000000