Which of the following steps in the epinephrine signaling pathway is most likely to fail or be affected due to GTP depletion?

What is the overall standard free energy change (ΔG’°) for the coupled reaction? Phosphoenolpyruvate + ADP + Pi → Pyruvate + ATP   ΔG′° (ATP → ADP + Pi)=−30.5kJ/mol ΔG′° (PEP → Pyruvate)=−61.9kJ/mol

Which reaction mechanism (SN2, SN1, E2, or E1) is best accelerated by the following interaction of sodium iodide with DMSO as a solvent (or co-solvent)?

What dihedral angle does an anti-coplanar transition state refer to?

Which is the product?

What does racemization refer to?

For the following reaction, which solvent provides the fastest reaction rate?

What is the ∆G for a ratio of A and B at equilibrium?

Which halide anion reacts fastest?

Which describes a spontaneous reaction?