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16 November 2009
- 06:1906:19, 16 November 2009 diff hist +128 Researchers and research groups →India
- 06:1306:13, 16 November 2009 diff hist +588 N Le Chatelier's principle Add preliminary entry for Le Chatelier's principle
- 06:0006:00, 16 November 2009 diff hist +30 Classical thermodynamics Added entry for Le Chatelier's priniciple for thermodynamic stability