Question: Natural copper is a mixture of two principal isotopes with an atomic distribution, 69% 6Cu and 31% $Cu. The absolute standard molar entropy of

Natural copper is a mixture of two principal isotopes with an atomic

Natural copper is a mixture of two principal isotopes with an atomic distribution, 69% 6Cu and 31% $Cu. The "absolute" standard molar entropy of Cu. (33.150 JK' mol), is tabulated without inclusion of the entropy of isotope mixing. a) What would the tabulated value of Scu be if ASmix Were included? b) Why is AS;sotope mixing generally not included in tabulations of standard molar entropies?|

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