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HLARN 172 – mrchemistry.org http://mrchemistry.org Chemistry: Your Key to Understanding the Natural World Fri, 21 Jun 2019 20:14:00 +0000 en-US hourly 1 https://wordpress.org/?v=6.7.1 https://mrchemistry.org/wp-content/uploads/2017/09/Mrchemistry_logo-red-100x100.jpg HLARN 172 – mrchemistry.org http://mrchemistry.org 32 32 LARN 172 C43D4 http://mrchemistry.org/2018/06/hlarn-172-c43d4/ Mon, 04 Jun 2018 15:46:02 +0000 http://mrchemistry.org/?p=2708