The reusable booster rockets of the space shuttle use a mixture of aluminum and ammonium perchlorate as fuel. A possible reaction is 3A1(s) + 3NH, ClO4(s) → Al, O, (s) + AIC13 (s) + 3NO(g) + 6H2O(g) Calculate AH° for this reaction. Substance and State AH£° (kJ/mol) Al(s) Al, O3(s) AlCl3 (s) H2O(g) NO(g) NH, CIO4(s) -1676 -704 -242 90. -295 AH° kJ Submit Answer Try Another Version 1 item attempt remaining

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