Question: Given these reactions, where X represents a generic metal or metalloid. 1) H2(g)+12O2(g)H2O(g)1= 241.8 kJ 2) X(s)+2Cl2(g)XCl4(s)2= +299.9 kJ 3) 12H2(g)+12Cl2(g)HCl(g)3= 92.3 kJ 4) X(s)+O2(g)XO2(s)4=

Given these reactions, where X represents a generic metal or metalloid.

1) H2(g)+12O2(g)H2O(g)1= 241.8 kJ

2) X(s)+2Cl2(g)XCl4(s)2= +299.9 kJ

3) 12H2(g)+12Cl2(g)HCl(g)3= 92.3 kJ

4) X(s)+O2(g)XO2(s)4= 687.7 kJ

5) H2O(g)H2O(l)5= 44.0 kJ

What is the enthalpy, , for this reaction? XCl4(s)+2H2O(l)XO2(s)+4HCl(g) in kJ

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