8th Grade Current Events Assignment

Required Materials. 3 13 x 100 mm test tubes/pair of students. 2 g each of NaCl, NH4Cl (anhydrous), and CaCl2 (anhydrous)/ pair of students (CaCl2 is deliquescent and needs to be kept covered) 1 wash bottle/pair of students. ... Endothermic and Exothermic Reactions for 8th Graders ... ................
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