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Chemistry, 01.03.2021 20:00 godisgoodallthoubxi7

Choose whether the reaction is exothermic or endothermic. 2C(s) + 2H2(g) → C2H4(9) -Select--
2H2(g) + O2(g) → 2H20() -Select--
N2(g) + 3H2(g) + 2NH3(g) --Select--

Choose whether the reaction is exothermic or endothermic.

2C(s) + 2H2(g) → C2H4(9) -Select--
2H2(

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