Consider the following reaction involving certain gas-phase compounds X, Y, and Z: X+ 2Y Z AH°xn = -788 kJ If the total bond enthalpies of X and Y are 1724 kJ/mol and 351 kJ/mol, respectively, then what is the total bond enthalpy of compound Z? O A. 2863 kJ/mol B. 3214 kJ/mol O C. 1287 kJ/mol O D. 4446 kJ/mol E. 1638 kJ/mol

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Consider the following reaction involving certain gas-phase compounds X, Y, and Z:
X + 2Y → Z
AH°.
= -788 kJ
If the total bond enthalpies of X and Y are 1724 kJ/mol and 351 kJ/mol, respectively, then what is the total bond enthalpy of compound Z?
A. 2863 kJ/mol
B. 3214 kJ/mol
O C. 1287 kJ/mol
O D. 4446 kJ/mol
E. 1638 kJ/mol
Transcribed Image Text:Consider the following reaction involving certain gas-phase compounds X, Y, and Z: X + 2Y → Z AH°. = -788 kJ If the total bond enthalpies of X and Y are 1724 kJ/mol and 351 kJ/mol, respectively, then what is the total bond enthalpy of compound Z? A. 2863 kJ/mol B. 3214 kJ/mol O C. 1287 kJ/mol O D. 4446 kJ/mol E. 1638 kJ/mol
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