Homework Answers
part A
DG0 = -RTlnKeq
7.5*10^3 = -(8.314*(37+273.15))lnk
keq = 5.4*10^(-2)
part B
from equation
Keq = [GAP]/[DHAP]
So that, Keq will be less than zero.there fore DG is +ve always.
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In another key reaction in glycolysis, phosphate (DHAP) is isomerized into glyceraldehyde-3-phosphate (GAP): Because deltaG' is...
In another key reaction in glycolysis, dihydroxyacetone phosphate (DHAP) is isomerized into glyceraldehyde-3-phosphate (GAP): The equilibrium...
In another key reaction in glycolysis, dihydroxyacetone
phosphate (DHAP) is isomerized into glyceraldehyde-3-phosphate
(GAP):
The equilibrium constant is 5.4×10−2.
Calculate the equilibrium fraction of GAP from the above, at 37
∘C.
CH2OH HC-OH ΔGor = +7.5 kJ/mol CH2OPO22 CH2OPO2 GAP DHAP
In a key reaction of glycolysis, dihydroxyacetone phosphate (DHAP) is isomerized into glyceraldehydes 3- phosphate (G3P)...
In a key reaction of glycolysis, dihydroxyacetone phosphate (DHAP) is isomerized into glyceraldehydes 3- phosphate (G3P) by the action of the enzyme triose phosphate isomerase: Because delta G degree, is positive, the equilibrium lies to the left. Calculate the equilibrium constant for this reaction, assuming a temperature of 37 degree C. In the cell, depletion of G3P makes the reaction proceeds. What is the value of delta G if the concentration of G3P is kept at 1/100 of the value...
Open with Google Docs The reaction to the right describes the isomerization of dihydroxyacetone phosphate (DHAP)...
Open with Google Docs The reaction to the right describes the isomerization of dihydroxyacetone phosphate (DHAP) to glyceraldehyde-3-phosphate (GAP). It is a chemical equilibrium reaction that happens in the biochemical pathway that is part of the metabolism of glucose. The chemical equilibrium can be treated much like the dynamic equilibrium observed for the vapor pressure. Answer the following questions about this reaction: OH DHAP GAP GAP and the kinetics of GAP DHAP are first order processes. What are the rate...
please help. Juction reaction In one step of glycolysis, glyceraldehyde 3-phosphate is oxidized by NAD+ to...
please help.
Juction reaction In one step of glycolysis, glyceraldehyde 3-phosphate is oxidized by NAD+ to yield 3-phosphoglycerate and NADH. 1) Consider that reaction, in the direction written. Which chemical(s) is/are) losing electrons, and which chemical(s) is(are) gaining electrons? It's best to answer this in a clear complete sentence! 2) Calculate the standard reduction potential for this reaction. Show a reasonable amount of your work (you don't need to show every step in a calculation, but at least show your...
Calculate ΔG∘rxn and E∘cell at 25∘C for a redox reaction with n = 3 that has...
Calculate ΔG∘rxn and E∘cell at 25∘C for a redox reaction with n = 3 that has an equilibrium constant of K = 4.7×10−2. You may want to reference (Page) section 18.5 while completing this problem. Part A Express your answer using two significant figures. Part B Express your answer using two significant figures.
Consider the following isomerization reactions of some simple sugars and values for their standard Gibbs free energy Δ...
Consider the following isomerization reactions of some simple
sugars and values for their standard Gibbs free energy
ΔG∘: reaction A:reaction
B:glucose-1-phosphatefructose-6-phosphate⟶⟶glucose-6-phosphate,glucose-6-phosphate, ΔG∘=−7.28
kJ/mol ΔG∘=−1.67 kJ/mol
Part A
Calculate ΔG∘ for the isomerization of
glucose-1-phosphate to fructose-6-phosphate.
ΔG∘ =
-5.61
kJ/mol
Part B
Calculate the equilibrium constant K for the
isomerization of glucose-1-phosphate to fructose-6-phosphate at 298
K.
Express your answer numerically using two significant
figures.
K =
9.6
Part C
Calculate ΔG when the concentration of
glucose-1-phosphate is 10 times greater than the
concentration...
Calculate the standard cell potential (Eo) for the reaction X(s)Y (aq)X (aq)Y(s) if K 4.12x10-3 Express...
Calculate the standard cell potential (Eo) for the reaction X(s)Y (aq)X (aq)Y(s) if K 4.12x10-3 Express your answer to three significant figures and include the appropriate units. View Available Hint(s) HA ? Value Units Eo Previous Answers Submit If the equilibrium constant for a two-electron redox reaction at 298 K is 1.4x10-4, calculate the corresponding AG° and Ec under standard Express your answer using two significant figures. cel ΑΣφ conditions. ? AG0 = kJ Request Answer Submit Part B Express...
ch15 answer all 3 please Consider the following reaction at equilibrium: Predict whether the reaction will...
ch15
answer all 3 please
Consider the following reaction at equilibrium: Predict whether the reaction will shift left, shift right, or remain unchanged after each disturbance. Drag the appropriate items to their respective bins. O2 is added to the reaction mixture KCIO3 is added to the reaction mixture KCl is added to the reaction mixture O2 is removed from the reaction mixture Shifts left Shifts right Remains unchanged Consider the following reaction: HC2H3O2(aq) + H2O(l) =H30+(aq) + C2H307- (aq) where...
1. According to the paper, what does lactate dehydrogenase (LDH) do and what does it allow...
1. According to the paper, what does lactate dehydrogenase
(LDH) do and what does it allow to happen within the myofiber? (5
points)
2. According to the paper, what is the major disadvantage of
relying on glycolysis during high-intensity exercise? (5
points)
3. Using Figure 1 in the paper, briefly describe the different
sources of ATP production at 50% versus 90% AND explain whether you
believe this depiction of ATP production applies to a Type IIX
myofiber in a human....
In another key reaction in glycolysis, dihydroxyacetone
phosphate (DHAP) is isomerized into glyceraldehyde-3-phosphate
(GAP):
The equilibrium constant is 5.4×10−2.
Calculate the equilibrium fraction of GAP from the above, at 37
∘C.
CH2OH HC-OH ΔGor = +7.5 kJ/mol CH2OPO22 CH2OPO2 GAP DHAP
In a key reaction of glycolysis, dihydroxyacetone phosphate (DHAP) is isomerized into glyceraldehydes 3- phosphate (G3P) by the action of the enzyme triose phosphate isomerase: Because delta G degree, is positive, the equilibrium lies to the left. Calculate the equilibrium constant for this reaction, assuming a temperature of 37 degree C. In the cell, depletion of G3P makes the reaction proceeds. What is the value of delta G if the concentration of G3P is kept at 1/100 of the value...
Open with Google Docs The reaction to the right describes the isomerization of dihydroxyacetone phosphate (DHAP) to glyceraldehyde-3-phosphate (GAP). It is a chemical equilibrium reaction that happens in the biochemical pathway that is part of the metabolism of glucose. The chemical equilibrium can be treated much like the dynamic equilibrium observed for the vapor pressure. Answer the following questions about this reaction: OH DHAP GAP GAP and the kinetics of GAP DHAP are first order processes. What are the rate...
please help.
Juction reaction In one step of glycolysis, glyceraldehyde 3-phosphate is oxidized by NAD+ to yield 3-phosphoglycerate and NADH. 1) Consider that reaction, in the direction written. Which chemical(s) is/are) losing electrons, and which chemical(s) is(are) gaining electrons? It's best to answer this in a clear complete sentence! 2) Calculate the standard reduction potential for this reaction. Show a reasonable amount of your work (you don't need to show every step in a calculation, but at least show your...
Consider the following isomerization reactions of some simple
sugars and values for their standard Gibbs free energy
ΔG∘: reaction A:reaction
B:glucose-1-phosphatefructose-6-phosphate⟶⟶glucose-6-phosphate,glucose-6-phosphate, ΔG∘=−7.28
kJ/mol ΔG∘=−1.67 kJ/mol
Part A
Calculate ΔG∘ for the isomerization of
glucose-1-phosphate to fructose-6-phosphate.
ΔG∘ =
-5.61
kJ/mol
Part B
Calculate the equilibrium constant K for the
isomerization of glucose-1-phosphate to fructose-6-phosphate at 298
K.
Express your answer numerically using two significant
figures.
K =
9.6
Part C
Calculate ΔG when the concentration of
glucose-1-phosphate is 10 times greater than the
concentration...
Calculate the standard cell potential (Eo) for the reaction X(s)Y (aq)X (aq)Y(s) if K 4.12x10-3 Express your answer to three significant figures and include the appropriate units. View Available Hint(s) HA ? Value Units Eo Previous Answers Submit If the equilibrium constant for a two-electron redox reaction at 298 K is 1.4x10-4, calculate the corresponding AG° and Ec under standard Express your answer using two significant figures. cel ΑΣφ conditions. ? AG0 = kJ Request Answer Submit Part B Express...
ch15
answer all 3 please
Consider the following reaction at equilibrium: Predict whether the reaction will shift left, shift right, or remain unchanged after each disturbance. Drag the appropriate items to their respective bins. O2 is added to the reaction mixture KCIO3 is added to the reaction mixture KCl is added to the reaction mixture O2 is removed from the reaction mixture Shifts left Shifts right Remains unchanged Consider the following reaction: HC2H3O2(aq) + H2O(l) =H30+(aq) + C2H307- (aq) where...
1. According to the paper, what does lactate dehydrogenase
(LDH) do and what does it allow to happen within the myofiber? (5
points)
2. According to the paper, what is the major disadvantage of
relying on glycolysis during high-intensity exercise? (5
points)
3. Using Figure 1 in the paper, briefly describe the different
sources of ATP production at 50% versus 90% AND explain whether you
believe this depiction of ATP production applies to a Type IIX
myofiber in a human....
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