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# show all work clearly please ATTACHMENT PREVIEW Download attachment Screen Shot 2019-09-30 at 9.25.09 PM.png 7. AH&quot; for HCl is -92.307 kJ mol- at 25C. a) Determine AH . at 1000 C. (Heat capacities: HCI, H2, Cl2 = 29.12, 28.824, 33.907 J K- mol&quot; ) b) Determine AH. at 1000 C when the temperature dependence of the molar heat capacities can be ex- pressed as Cp,m = A + BT + CT2 + DT' where the parameters are HCI A (J K- mol-1) 30.67 B (J K ' mol-1) 27.14 26.93 -7. 201 x 10-3 C(JK ' mol-! ) 9. 274 x 10-3 33. 84 x 10-3 -1. 246 x 10-5 -1. 381 x 10-5 D (J K 4 mol-]) -3. 896 x 105 -3. 898 x 10-9 7. 645 x 10-9 15. 47 x 10-9

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