Answer
moles of Cl2 = mass/molar mass = 62.2/70.9 = 0.877 moles
given delta H= -2190 kJ
As per the reaction
energy change when 4 mole Cl2 produced is= 2190 kJ
so energy change when 0.877 mole of Cl2 produced = (2190/4)*0.877= 480.3 kJ
the answer is option C 480.20 kJ
Question 20 Given the following reaction: 4C,HCl2 + 1302 +800, + 10H,0 + 4Cl2 AH =...
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