If 1.48 g of Cl2 reacts with excess P, what is the total change in enthalpy in kilojoules? 2 P + 5 Cl2 ⟶ 2 PCl5 ΔH = −886 kJ Round your answer to three significant figures. Include a negative sign if appropriate. Provide your answer below:
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If of reacts with excess , what is the total change in enthalpy in kilojoules?