N2(g) + 3Cl2(g) 2NCl3(l) ∆H°rxn = +460 kJ The reaction is ____thermic, heat flows ____ bonds between the atoms become ________er Calculate the following – with proper sign and number of significant figures! When the reaction heat is +902 kJ, _________ moles of Cl2 have reacted. When 0.45 moles of NCl3 have formed, the reaction heat is ____________ kJ When 4.8×1022 N2 molecules have reacted, the reaction heat is ____________ kJ

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