What is the total energy change for the following reaction: H2 + I2 -> 2HI?
Given:

H-H bond: 436 kJ/mol

I-I bond: 151 kJ/mol

H-I bond: 297 kJ/mol

A. +297 kJ/mol

B. +7 kJ/mol

C. -7 kJ/mol

D. -290 kJ/mol

Match term definition ellipse a) diagonal cross section of a cylinder circle b) diagonal cross section through the widest part of a sphere sphere c) cross section parallel to the base of a cone great circle d) shape created when a semi-circle is rotated around the y-axis triangle e) perpendicular cross section of a cone