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- Need help with part CDescribe how the following changes are brought about: (i) Pig iron into steel. (ii) Zinc oxide into metallic zinc. (iii) Impure titanium into pure titanium.Please draw an arrow pushing mechanism for the following transformation. Include all charges, lone pairs, and arrows. Short6.png ! (25kB)
- Select the single best answer. Consider the steps in coal gasification: C(coal) + H₂O(g) → CO(g) + H2(g) CO(g) + H₂O(g) → CO2(g) + H2(g) CO(g) + 3H2(g) → CH4(g) + H2O(g) AH'rxn = 129.7 kJ AH°rxn = -41 kJ AH'rxn=-206 kJ Identify the overall reaction for the production of methane, CH4.NO(g) NO;(g) 90.25 210.7 86.57 33.2 240.0 51.30 N,O(g) N;O,(g) 82.05 219.7 104.2 83.72 321.28 139.46 (S)*O°N_ (3)*O°N 9.16 304.2 97.82 11 356 115 N,O;(s) -43.1 178 114 NOCI(g) HNO,(€) HNO,(g) 52.59 264 66,36 -174.1 155.6 -80.79 -135.1 266.2 -74.77 HNO, (aq) -206.6 146 -110.5 Hydrogen H(g) 218.0 114.6 203.3 H;(g) 130.6 H,O(€) -285.8 69.91 -237.2 H,O(g) -241.8 188.7 -228.6 H;O;() -187.8 109.6 -120.4 Cbromium Cr(s) 23.8 Cr,O;(s) Cr,Cl;(s) -1139.7 81.2 - 1058.1 -556.5 123.0 -486.1 (NH,) ¿Cr,O;(s) -1807 A -299.9 kJ/mol В 3,913.9 kJ/mol 299.9 kJ/mol D -3,913.9 kJ/molBr Bri 1 equiv. NaN3 DMSO