5
RCMultiple Choice
Cumulative Exam — Cumulative exam
Question 5 • MI-Chemistry A-CR
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.