Question

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Answer 1

¢ÙN2H4(l) + 2H2O2(l) == N2(g)+4H2O(g)£»¡÷H= ¡ª641.6KJ/mol£­1

 ¢ÚH2O(g) £½ H2(g)+1/2O2(g) £»¡÷H= ¡ª409.0KJ/mol£­1

¢ÛP4£¨S£¬°×Á×£©== 4P£¨S£¬ºìÁ×£© ¡÷H = £­29.2KJ/mol£­1

¢Ü S(s) + O2(g) SO2(g); ¡÷H = £­297.23KJ/mol£­1

¢Ý CH4(g) + 2O2(g) == CO2(g) +2H2O(l) ; ¦¤H= £­16Q kJ¡¤mol-1

¢ÞC2H6O(l)+3O2(g)£½2CO2(g)+3H2O(l) ; ¦¤H= £­10Q kJ¡¤mol-1