(Note that some of these are the same problems as found in the section headed Enthalpies of Atom Combination. However in this section all problems are worked using Enthalpies of Formation.) -What is the sign of the enthalpy of reaction for the reaction P₄O₆(s) + 2 O₂(g) + 6 H₂O(g) $\rightarrow$ 4 H₃PO₄(s) Assuming that all compounds are present in their most stable state at 25°C and 1 atm pressure?

Question

Quizplus · Accepted Answer

The Answer of (Note that some of these are the same problems as found in the section headed Enthalpies of Atom Combination. However in this section all problems are worked using Enthalpies of Formation.) -What is the sign of the enthalpy of reaction for the reaction P₄O₆(s) + 2 O₂(g) + 6 H₂O(g) $\rightarrow$ 4 H₃PO₄(s) Assuming that all compounds are present in their most stable state at 25°C and 1 atm pressure?

(Note That Some of These Are the Same Problems as Found