1.
A+B→C+D\text{A}+\text{B}\rightarrow\text{C}+\text{D}; ΔH=−10,000 J mol−1\Delta H=-10{,}000\,\text{J mol}^{-1}, ΔS=−33.3 J mol−1K−1\Delta S=-33.3\,\text{J mol}^{-1}\text{K}^{-1}. Spontaneous L→R when: