Adult hemoglobin (iron-containing protein) can carry up to four oxygen molecules per hemoglobin molecule, with the...
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Adult hemoglobin (iron-containing protein) can carry up to fouroxygen molecules per hemoglobin molecule, with the addition ofoxygen proceeding in a step-wise fashion. For the third step, thevalue of the equilibrium constant is Keq=5.86 x 10^-4 although thereaction has a (delta HĂÂș) value of -2.9 kj/mol (Remember that thesystem is not at room temperature).
Heme-Fe^2+ -(O2)2 + O2 <----> Heme-Fe^2+ -(O2)3
Keq=5.86 x 10^-4
(a) calculate delta GĂÂș for this process.
(b)From the information provided, calculate the value of deltaSĂÂș for this process.
(c) Compare the value of delta SĂÂș and delta HĂÂș for this processand determine if the oxygenation of hemoglobin at this step isenthaly-driven or entropy-driven when this reaction is spontaneous.Explain your reasoning in a sentence or two.
Adult hemoglobin (iron-containing protein) can carry up to fouroxygen molecules per hemoglobin molecule, with the addition ofoxygen proceeding in a step-wise fashion. For the third step, thevalue of the equilibrium constant is Keq=5.86 x 10^-4 although thereaction has a (delta HĂÂș) value of -2.9 kj/mol (Remember that thesystem is not at room temperature).
Heme-Fe^2+ -(O2)2 + O2 <----> Heme-Fe^2+ -(O2)3
Keq=5.86 x 10^-4
(a) calculate delta GĂÂș for this process.
(b)From the information provided, calculate the value of deltaSĂÂș for this process.
(c) Compare the value of delta SĂÂș and delta HĂÂș for this processand determine if the oxygenation of hemoglobin at this step isenthaly-driven or entropy-driven when this reaction is spontaneous.Explain your reasoning in a sentence or two.
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