5. Use the Hess' Law to calculate AH° (tot) for the [tot] reaction from the AHo's given: [tot] N2(g) + 3H2(g) → 2NH3(g) AH°(tot) = ? kJ [1] 4NH3(g) + 302(g) → 2N2(g) + 6H;0(g)_ AH°1 = -1268 kJ [2] 2H2(g) + O2(g) → 2H20(g) AH°2 = -484 kJ [tot] = x[1] _x[2] add up equations [1] and [2] scaled by the factors you chose, and cancel the same formulas on both sides: same as [tot] after cancelling? if "Yes", scale the enthalpies AH°1 and AH°2 by the factors you chose for their equations, and combine for the AH°(tot) = _XAH°1 -ΧΔΗ*> k %3D
5. Use the Hess' Law to calculate AH° (tot) for the [tot] reaction from the AHo's given: [tot] N2(g) + 3H2(g) → 2NH3(g) AH°(tot) = ? kJ [1] 4NH3(g) + 302(g) → 2N2(g) + 6H;0(g)_ AH°1 = -1268 kJ [2] 2H2(g) + O2(g) → 2H20(g) AH°2 = -484 kJ [tot] = x[1] _x[2] add up equations [1] and [2] scaled by the factors you chose, and cancel the same formulas on both sides: same as [tot] after cancelling? if "Yes", scale the enthalpies AH°1 and AH°2 by the factors you chose for their equations, and combine for the AH°(tot) = _XAH°1 -ΧΔΗ*> k %3D
Chemistry: Principles and Practice
3rd Edition
ISBN:9780534420123
Author:Daniel L. Reger, Scott R. Goode, David W. Ball, Edward Mercer
Publisher:Daniel L. Reger, Scott R. Goode, David W. Ball, Edward Mercer
Chapter5: Thermochemistry
Section: Chapter Questions
Problem 5.84QE
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