Chemistry

Chemistry

Problem

Graphite is thermodynamically more stable than diamond. The reaction C(diamond)→C(graphite)\text{C(diamond)} \rightarrow \text{C(graphite)} is accompanied by a loss of energy, ΔH=−2 kJ mol−1\Delta H = -2 \text{ kJ mol}^{-1} . But we commonly hear that 'diamonds are forever'. Are they?

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