### Calculating the Enthalpy Change of a Reaction **Context:**The reusable booster rockets of the space shuttle use a mixture of aluminum and ammonium perchlorate as fuel. A possible reaction is:\[ 3\text{Al}(s) + 3\text{NH}_4\text{ClO}_4(s) \rightarrow \text{Al}_2\text{O}_3(s) + \text{AlCl}_3(s) + 3\text{NO}(g) + 6\text{H}_2\text{O}(g) \]**Objective:**Calculate the standard enthalpy change (\( \Delta H^\circ \)) for this reaction.**Data:**The following table lists the standard enthalpies of formation (\( \Delta H_f^\circ \)) for the substances involved in the reaction:| Substance and State | \( \Delta H_f^\circ \) (kJ/mol) ||---------------------|-------------------------|| Al(s) | 0 || Al\(_2\)O\(_3\)(s) | -1676 || AlCl\(_3\)(s) | -704 || H\(_2\)O(g) | -242 || NO(g) | 90 || NH\(_4\)ClO\(_4\)(s) | -295 |**Calculation:**To find the overall enthalpy change of the reaction (\( \Delta H^\circ \)), apply the following formula:\[ \Delta H^\circ = \sum (\Delta H_f^\circ \text{ of products}) - \sum (\Delta H_f^\circ \text{ of reactants})\]**Input the result:**\[ \Delta H^\circ = \_\_\_\_ \text{ kJ} \]**Interactions:**- Users can submit their calculated answer by clicking on the "Submit Answer" button.- There is an option to "Try Another Version" if needed.- Note: Only 1 item attempt remaining.Start your calculations, and input your answer to enhance your understanding of thermodynamic principles in chemical reactions.

Here we are required to find the Enthalpy change for the reaction.

The reusable booster rockets of the space shuttle use a mixture of aluminum and ammonium perchlorate as fuel. A possible reaction is 3Al(s) + 3NH4ClO4(s) → Al₂O3 (s) + AlCl3 (s) + 3NO(g) + 6H₂O(g) Calculate AH for this reaction. Substance and State AH (kJ/mol) Al(s) 0 Al2O3(s) AlCl3 (8) H₂O(g) NO(g) NH4C1O4(s) AH° = Submit Answer -1676 -704 -242 90. -295 Try Another Version item attempt remaining

The reusable booster rockets of the space shuttle use a mixture of aluminum and ammonium perchlorate as fuel. A possible reaction is 3Al(s) + 3NH4ClO4(s) → Al₂O3 (s) + AlCl3 (s) + 3NO(g) + 6H₂O(g) Calculate AH for this reaction. Substance and State AH (kJ/mol) Al(s) 0 Al2O3(s) AlCl3 (8) H₂O(g) NO(g) NH4C1O4(s) AH° = Submit Answer -1676 -704 -242 90. -295 Try Another Version item attempt remaining

Chemistry

10th Edition

ISBN:9781305957404

Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Chapter1: Chemical Foundations

Section: Chapter Questions

Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...

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