question archive A deoxyhemoglobin molecule (molar mass 65,000 g) can bind up to four oxygen molecules
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A deoxyhemoglobin molecule (molar mass 65,000 g) can bind up to four oxygen molecules. In a certain experiment a 0.067−L solution containing 5.6 g of deoxyhemoglobin (hemoglobin without oxygen molecules bound to it) was reacted with an excess of oxygen in a constant-pressure calorimeter of negligible heat capacity. Calculate the enthalpy of reaction per mole of oxygen bound if the temperature rose by 0.060°C. Assume that the density of the solution is 1.00 g/mL and that the heat capacity of the solution is the same as the specific heat of water, 4.184 J/g°C.