Resources previous 10 of 13 I ne Problem 15.3 Assume a pH gradient of 4.0 units

Question

Resources previous 10 of 13 I ne Problem 15.3 Assume a pH gradient of 4.0 units across a thylakoid membrane, with the lumen more acidic than the stroma. Part A What is the standard free energy change per mol of protons associated with this gradient at 25 C2 Express your answer using three significant figures. H 22.8 kJ/molH Submit My Answers Give Up Correct Part B What is the longest a elength oflight that could provide enough energy per photon to pump one proton against this g adent, assuming a 20% of photosynthesis and T = 25°C? ency in Express your answer using three significant figures = 1050 nm Submit My Answers Give Up Correct Part C What is the standard free energy change per mol O2 produced? Express your answer using three significant figures

Explanation / Answer

C) Standard free energy change per mole O2 produced = 0

D) Compared to the energy required to drive the synthesis of ATP, its several times less.

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