5. Calculating the effect of pH on AG° ATP hydrolysis at pH 7.0 is accompanied by release of a hydrogen ion to the medium ATP4 + H20 = ADP3- + HPO42- + H If the AG" for this reaction is -30.5 kJ/mol, what is AG° (that is, the free energy change for the same reaction with all components, including H*, at a standard state of 1 M)?

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Q: [S] mM 20 50 100 200 300 500 700 Initial Velocity (mM/min) 1.012 1.950 2.823 3.637 4.024 4.398 4.580

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