Which of the Following Has A $\Delta$ H°_f = 0 KJ/mol?
A)CO₂(g)
B)O₃(g)
C)Cl^-(aq)
D)NH₃(aq)
E)I₂(s)

question 96

Multiple Choice

Which of the following has a $\Delta$ H°_f = 0 kJ/mol?

• A)CO₂(g)
• B)O₃(g)
• C)Cl^-(aq)
• D)NH₃(aq)
• E)I₂(s)