Only need help with part B a) Use standard enthalpies of formation to determine ΔHorxn for: 2Al(s) + 3Cl2(g) → 2AlCl3(s) Enter in kJ. -1408.0 b) Find the change in internal energy for this reaction. Enter in kJ.

Chemistry for Engineering Students
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ISBN:9781337398909
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Publisher:Lawrence S. Brown, Tom Holme
Chapter10: Entropy And The Second Law Of Thermodynamics
Section: Chapter Questions
Problem 10.97PAE
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Only need help with part B

a) Use standard enthalpies of formation to determine ΔHorxn for:

2Al(s) + 3Cl2(g) → 2AlCl3(s)

Enter in kJ. -1408.0

b) Find the change in internal energy for this reaction. Enter in kJ.

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