An endergonic reaction has

CHEMISTRY · Single correct · AP · Chemistry · Thermodynamics and Electrochemistry · Thermodynamics and Electrochemistry

Problem

An endergonic reaction has ΔG∘=+50.0 kJ mol−1\Delta G^{\circ}=+50.0\,\text{kJ\,mol}^{-1}. Hydrolysis of one molecule of ATP to ADP + Pi\text{P}_{\mathrm{i}} has ΔG∘=−30.5 kJ mol−1\Delta G^{\circ}=-30.5\,\text{kJ\,mol}^{-1}. What is the MINIMUM whole number of ATP molecules that must be hydrolyzed per mole of the endergonic reaction to make the overall process favorable under standard conditions? (a) 33 (b) 22 (c) The reaction cannot be driven by ATP hydrolysis (d) 11

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