7. Which of the following reactions increase the entropy of the surroundings?
I: CO$_2$(s) $\rightarrow$ CO$_2$(g)
II: 2 H(g) $\rightarrow$ H$_2$(g)
III: A(g) $\rightarrow$ B(g) $\Delta$H = -100 kJ, $\Delta$S = +100 J/K
A) Only I
B) Only II
C) Only III
D) I and III
E) II and III