Part A A person who has been a smoker and has a low oxygen blood saturation uses an oxygen tank for supplemental oxygen. The following equation depicts oxygen binding with hemoglobin: What is the stress on the equilibrium of the reaction between oxygen and hemoglobin? Hb(aq) + O2(g) HbO2(aq) O The oxygen concentration is decreased. Answer the following questions to describe what happens when oxygen is first supplied. O The oxygen concentration is increased. O The HbO2 concentration is decreased. O The hemoglobin concentration is increased. In what direction does the hemoglobin equilibrium shift? O The equilibrium shifts in the direction of the reactants. O The equilibrium shifts in the direction of the products. O The equilibrium does not change.

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