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- Using the equations N₂ (g) + 3 H₂ (g) → 2 NH₂ (9) AH° = -91.8 kJ/mol C(s) + 2 H₂(g) →→ CH₂ (g) AH° = -74.9 kJ/mol H₂(g) + 2 C(s) + N₂ (g) → 2 HCN (g) AH° = 270.3 kJ/mol - Determine the enthalpy (in kJ/mol) for the reaction CH₂(g) + NH₂(g) → HCN (g) + 3 H₂ (g).For a particular isomer of Cg H₁g, the combustion reaction produces 5108.7 kJ of heat per mole of Cg H₁ (g) consumed, under standard conditions. C8H18 (g) + -25 0₂(g) →→→ 8 CO₂(g) + 9 H₂O(g) AH; = ΔΗ What is the standard enthalpy of formation of this isomer of Cg H₁8 (g)? 18 -208.5 Incorrect ▲Hixn = -5108.7 kJ/mol kJ/molCalculate Ea for the conversion of C ►B Ea (A ► B) = +10 kcal Ea (B C) = +4 kcal (В — B AH (A – ► B) = +8 kcal AH (A C) = -5 kcal ДН (А —» reaction coordinate +3 kcal +7kcal +9 kcal +10kcal 0 ONone of the above Energy
- 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.Rb₂O(s) +____H₂O(1)→ Co2(CO3)3(s) + heat → 3_H₂O(1) + 1_As2O5(s) →➜ NaClO3(s) + heat → (110q000 sd, opt! 2 H3 As 0, 4 Ini Siyoda canl Mg(s) + H₂SO4(aq) → Myson noileupo unor ton boonstad to out + H₂ Om adami zogasdo neGiven the following data C2 H4 (9) + 302 (9) → 2 CO2(9) + 2H,0(1) 2C2 H6 (9) + 702(9) → 4 CO2(9) + 6H2O(1) 2H2 (g) + O2(9) → 2H,O(1) AH = -1411.0 kJ AH = -3119.8 kJ AH = -571.7 kJ calculate A H for the reaction C,H4 (9) + H2 (9) → C,H6 (g) ΔΗ= kJ Submit Answer Try Another Version 2 item attempts remaining
