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Consider the following reactions, which are two consecutive steps in the TCA cycle.
The two reactions are catalyzed by two independent enzymes, malate + NAD + ↔ oxaloacetate + NADH ΔG10 = +29.7 kJ/mol acetyl-CoA + oxaloacetate ↔ citrate + CoA ΔG10 = -31.5 kJ/mol.
How can the first reaction in the list proceed in the direction of products in this pathway with such a high positive free energy change?
a. this reaction is coupled to ATP hydrolysisb. the second reaction isn the list uses the oxaloacetate keeping its concentration low resulting in a ΔG that is about zero for the first reaction.c. the Q for the first reaction in the list is much larger than its Keq and as such is irreversibled. the answer to this question cannot be determined from the information given
Experimentally it was observed that naphthalene could be selectively ionized by sequentially absorbing three photons at a wavelength of 363.24 nm. What was the experimental ionization energy for naphthalene in kJ/mole
a student doing this experiment was puzzled by the fact that while each of the individual solutions being used is
The equilibrium constant, Kp, for the following reaction is 0.497 at 500 K: PCl5(g) PCl3(g) + Cl2(g) Calculate the equilibrium partial pressures of all species when PCl5(g) is introduced into an evacuated flask at a pressure
A free particle of mass m in a one-dimensional box with infinite walls at x=0 and x=L, given by the potential function: V(x)= 0 for x =0 L
Draw the mechanism, including formal charges on the N's, of the first step of the synthesis where anthranilic acid is converted to the anthranyl diazonium chloride intermediate
A 100L container has a 100g of ammonia gas and 50.0g of nitrogen gas at 500 degrees celcuis. Calculate the total pressure inside the container
the acceleration due to gravity on the moon is about one sixth the gravitational acceleration near the earths surface.
The equilibrium constant, Kp, is 7.8 x 1014 (Hint, this is a very large number, what does that imply?) Calculate the molar concentration of HF at equilibrium.
Consider the reaction CaCN2 + 3 H2O ! CaCO3 + 2 NH3 . How much CaCO3 is produced if 47.5 moles NH3 are produced?
Question- A 0.140-mole quantity of NiCl2 is added to a liter of 1.20 M NH3 solution. 1) What is the concentration of Ni2 ions at equilibrium
What is the physical basis for the VSEPR model? When applying the VSEPR model, we count a double or triple bond as a single electron domain.Why is this justified?
determine what concentration of oh - is needed to dissolve 0.015 mol ofnbspznoh2 zinc hydroxide in a liter of solution
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