Report - Warmup Given the following equations: H 3 BO 3(aq) HBO 2(aq) + H 2 O (l) ΔH rxn = -0.02 kJ H 2 B 4 O 7(aq) + H 2 O (l) 4HBO 2(aq) ΔH rxn = -11.3 kJ.

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