5
QuizMultiple Choice
Unit Test — Unit test
Question 5 • ISP ONLY: Chemistry S2 Q3000XX
According to the enthalpy diagram below, which of the following statements is true?
Answer
A
Arrows A and D represent the enthalpy of the intermediate chemical reactions.B
Arrow C represents the enthalpy of the overall chemical reaction.C
Arrow C indicates that the third intermediate reaction is exothermic.D
Arrow B indicates that the second intermediate reaction is exothermic.