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Thermochemical Equations U(s)+2Cl2()UCl4(t)tH=58 II 2UCl4(s)+H2(g)2UCl3(s)+2HCl(g),H=167 kJ III H2(g)+Cl2(g)2HCl(g) rH=185 kJ IV 2U(s)+3Cl2(g)2UCl3(s) rH=+/? kJ The rH for the reaction IV above is + I- kJ.

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Thermochemical Equations U(s)+2Cl2()UCl4(t)tH=58 II 2UCl4(s)+H2(g)2UCl3(s)+2HCl(g),H=167 kJ III H2(g)+Cl2(g)2HCl(g) rH=185 kJ IV 2U(s)+3Cl2(g)2UCl3(s) rH=+/? kJ The rH for the reaction IV above is + I- kJ. (Record your answer to the nearest whole number in the space provide)

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