Predict the value of ΔHo f is greater than, less than or equal to zero for the following elements at 25oC.
a) Pb (g)
b) S8 (s, rhombic)
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Our tutors have indicated that to solve this problem you will need to apply the Enthalpy of Formation concept. You can view video lessons to learn Enthalpy of Formation. Or if you need more Enthalpy of Formation practice, you can also practice Enthalpy of Formation practice problems.
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