4
AssignmentMultiple Choice
Calorimetry
Question 4 • TN-Physical Science SC 26-27 (For Credit)
The synthesis reaction to form boron hydride is: 2B(s) + 3H(g) BH(g), H = +36 KJ. What is the enthalpy value for the manipulated reaction: 1/2BH(g) B(s) + 3/2H(g)?
Answer
A
–18 KJB
–36 KJC
+18 KJD
+72 KJ