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To Have a Standard Enthalpy of Formation Referenced to 0

Question 112

Multiple Choice

To have a standard enthalpy of formation referenced to 0 J/mol,the substance must:
I.be a simple substance (chemical element)
II.be in its most stable form
III.be under 1 bar of pressure
IV.have a concentration of 1.0000 M


A) I,III,IV
B) I,II,III
C) II,IV
D) I,III
E) II,III,IV

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