Question Detail
Question
In the thermochemical equation CS₂(l) + 3O₂(g) → CO₂(g) + 2SO₂(g) ΔH° = -1072 kJ/mol, what does the negative sign indicate?
Correct Answer
Option B is the correct answer.
Detailed Explanation
A negative ΔH indicates an exothermic reaction, meaning 1072 kJ of energy is released when 1 mole of liquid CS₂ burns in oxygen.
Hint
The notes explain this example.