Barrons SAT Subject Test Chemistry, 13th Edition

(Marvins-Underground-K-12) #1

  1. (T, F) While it is true that a negative heat of formation is associated with an
    exothermic reaction, the First Law of Thermodynamics states that the total
    energy of the universe is constant and cannot be easily created nor destroyed.
    It is a convention of chemistry that energy given off from a combination
    reaction is given a negative value.

Free download pdf