The main reason Hess's Law works is:a. because enthalpy is a path independent property. b. because DH is an extensive property. c. because heat is a path dependent quantity. d. because DH is an intensive property. e. because work is zero at constant pressure.

What sources of error may have contributed to the percent yield not being 100 percent? think about things that may have led to inaccurate measurements or where mass of the product could have been lost if this experiment was conducted in a physical laboratory.