Chemistry
Chemistry
10th Edition
ISBN: 9781305957404
Author: Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher: Cengage Learning
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6. Find AH for the following reaction: Fe2O3 (s) + 3 CO (g) → 2 Fe (s) + 3 CO₂ (g) Use these reactions and AH's: 4 Fe (s) + 3 O₂ (g) → 2 Fe₂O3 (s) CO (g) + O2 (g) → CO₂ (g) AH= -1648 kJ ΔΗ= -283 kJ 7. Find AH for the following reaction: C6H12O6 (s) 2 C₂H5OH (l) + 2 CO2 (g) The standard enthalpies of formation are: 6 C (s) + 6 H₂(g) + 3 O2(g) → C6H12O6 (S) 2 C(s) + 3 H₂(g) + O2(g) → C₂H5OH (l) C(s) + O₂ (g) → CO₂ (g) 8. Hydrazine, N₂H4, is a rocket fuel. Calculate the AH combusted according to the equation: 2N₂H4 (g) → 2M
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Transcribed Image Text:6. Find AH for the following reaction: Fe2O3 (s) + 3 CO (g) → 2 Fe (s) + 3 CO₂ (g) Use these reactions and AH's: 4 Fe (s) + 3 O₂ (g) → 2 Fe₂O3 (s) CO (g) + O2 (g) → CO₂ (g) AH= -1648 kJ ΔΗ= -283 kJ 7. Find AH for the following reaction: C6H12O6 (s) 2 C₂H5OH (l) + 2 CO2 (g) The standard enthalpies of formation are: 6 C (s) + 6 H₂(g) + 3 O2(g) → C6H12O6 (S) 2 C(s) + 3 H₂(g) + O2(g) → C₂H5OH (l) C(s) + O₂ (g) → CO₂ (g) 8. Hydrazine, N₂H4, is a rocket fuel. Calculate the AH combusted according to the equation: 2N₂H4 (g) → 2M
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6) Given,

a) 4Fe(s) + 3O2(g) ----> 2Fe2O3(s)  ∆H = -1648 kJ

b) CO(g) + 1/2O2(g) ----> CO2(g)  ∆H = -283 kJ

Find ∆H for the following reaction:

Fe2O3(s) + 3CO(g) ----> 2Fe(s) + 3CO2(g)

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