2. Explain why the following compound is soluble in water. (10 points) (A) Sodium chloride, NaCl

8. Butadiene reacts to form its dimer according to the equation: (10 points) 2C4H6(g) → C8H12(g). The following results were collected: Time (s) 0 1000 1800 2800 3600 [C4H6] (mol/L) 0.01000 0.00625 0.00476 0.00370 0.00313 (A) Tell if the reaction is first order or second order according to these data.