Which of the following has a value of zero for the standard free energy of formation at 298 K? A)I(l) B)I₂(g) C)I₂(l) D)I₂(s) E)I(g)

Question

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The standard free energy of formation for an element in its standard state (such as a pure solid, liquid, or gas at 1 atm pressure and 25°C or 298 K) is defined as zero. Among the given options, I₂(s) represents an element in its standard state as a pure solid.

Which of the Following Has a Value of Zero for the Standard