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YouTube > TheChemistrySolution
Enthalpy - Chemistry Tutorial
YouTube · TheChemistrySolution · 5.9万次播放 · 2011年12月3日

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youtube.com > Michel van Biezen
Chemistry - Thermochemistry (3 of 37) Enthalpy: Definition
YouTube · Michel van Biezen · 3.4万次播放 · 2013年11月13日

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