For each reaction equation, calculate the internal energy change, ΔE, of the reaction at 25 ∘C   2H2(g)+O2(g)⟶2H2O(l)Δ?=−571.6 kJ   Δ?=   kJ   H2(g)+Cl2(g)⟶2HCl(g)Δ?=−184.6 kJ/mol   Δ?=   kJ

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