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16 November 2009
- 05:1905:19, 16 November 2009 diff hist +128 Researchers and research groups →India
- 05:1305:13, 16 November 2009 diff hist +588 N Le Chatelier's principle Add preliminary entry for Le Chatelier's principle
- 05:0005:00, 16 November 2009 diff hist +30 Classical thermodynamics Added entry for Le Chatelier's priniciple for thermodynamic stability