6. A muscle can be thought of as a fuel cell, producing work from metabolizing glucose. The chemical reaction is C6H12O6

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6 A Muscle Can Be Thought Of As A Fuel Cell Producing Work From Metabolizing Glucose The Chemical Reaction Is C6h12o6 1 (83.54 KiB) Viewed 34 times

6. A muscle can be thought of as a fuel cell, producing work from metabolizing glucose. The chemical reaction is C6H12O6 +602 →→→→ 6CO₂ + 6H₂O. In answering the questions below you may assume that the oxygen and the carbon dioxide are in gaseous form, whereas the water is liquid. Glucose is a solid. In answering some of the questions below you may want use the data provided in the table, which was taken from Schroeder. (a) How much work is done to push the atmosphere away? Is it positive or negative? You can neglect the change in volume of the solid and liquid reactants. (b) Find the values for AH and AG for the reaction, per mole of glucose. Assume that the reaction takes place at room temperature and atmospheric pressure. (c) What is the maximum amount of work, per mole of glucose, that a muscle can perform? You may assume ideal operation. (d) How much heat is absorbed or expelled in the chemical reaction per mole of glu- cose? Again, assume ideal operation. substance (form) AjH (kJ) | AG (kJ) | S(J/K) |Cp(J/K) C6H12O6 (glucose) - 1273 -910 212 115 CO₂ (g) -393.5 -394.4 213.7 37.1 H₂O (1) -285.8 -237.1 69.9 75.3 O₂ (g) 0 0 205.1 29.4 (10 marks)