(c) The following data have been obtained for the hydrolysis of sucrose, C12H22O11, toglucose, C6H12O6, and fructose C6H12O6, in acidic solution:C12H22O11 + H2O → C6H12O6 + C6H12O6[sucrose]/mol dm³t/min00.316140.300390.274600.256800.2381100.211(i) Graphically prove the order of the reaction and determine the rate constant of thereaction.(ii) Determine the half-life, t½ for the hydrolysis of sucrose.

Answered: Image /qna-images/answer/307f7b67-f662-499a-bcec-3128e298579c.jpg

Answered: (c) The following data have been…

Chemistry: The Molecular Science

5th Edition

ISBN:9781285199047

Author:John W. Moore, Conrad L. Stanitski

Publisher:John W. Moore, Conrad L. Stanitski

Chapter11: Chemical Kinetics: Rates Of Reactions

Section: Chapter Questions

Problem 83QRT

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Glycolysis is the process by which glucose is metabolized to lactic acid according to the equation C6H12O6(aq)2C3H6O3(aq) G=198 kJ at pH 7.0 and 25°C Glycolysis is the source of energy in human red blood cells. In these cells, the concentration of glucose is 5.0103 M, while that of lactic acid is 2.9103 M. Calculate AG for glycolysis in human blood cells under these conditions. Use the equation G=G+RT In Q, where Q is the concentration quotient, analogous to K.
Calculate the equilibrium constant at 37oC for the reactionGlucose + 6O2 + 36ADP + 36Phospate → 6CO2+ 42H2O +36ATP ... ... ...Gibbs free energychange of Go= − 423 kcal/mole of Glucose
The acid-catalyzed hydrolysis of sucrose, C12H22O11 + H₂O + H+ -> C6H12O6 + C6H12O6 + H+ is known as "inversion of sucrose" because the angle, a, by which the solution rotates polarized light changes from positive to negative as the reaction proceeds (data from 30 degree C): t/hr a 0 78 2 71 4 12 18 24 42 65.10 44.60 32.40 22.45 2.30 48 -1.96 61 -9 86 95 -15.80 -17.25 -21.15 ∞ Use this data to show that the reaction is first order and determine its rate coefficient (at 30 degree C).
What is the turnover number in molecules/min of a catalase enzyme molecule that cleaves 8.4 x 107 H₂O₂ molecules in 15 minutes?
In one of the steps in this pathway fructose 1,6-biphosphate (F1,6BP) is converted to gylceraldehyde-3-phosphate (G-3-p) and dihydroxyacetone phosphate (DHAP). This reaction is catalyzed by the enzyme aldolase. For this reaction at 25 celcuius and Ph7 we have: Keq= 10-4M and Delta G = +5456 cal/mol Calculate the following: The concentration of F1, 6BP, DHAP and G-3-P at equilibrium when the initial F1,6BP is (A) 1M, (b) 10-2 M, (c) 2 X 10*4 M and (d) 10-5 M. I been trying to solve this problem but I dont even know where to begin with. Atleast help me with problem A, I would be able to guide myself through.
What is the function of the enzyme lactase?
8L.13.3
List two ways that enzyme catalysis of a reaction is superior to normal conditions.
The enzyme urease increases the rate of urea hydrolysis at pH 8.0 and 20 °C by a factor of 1014. Suppose that a given quantity of urease can completely hydrolyze a given quantity of urea in 19 minutes at pH 8.0 and 20 °C. How long would it take for this amount of urea to be hydrolyzed in the absence of urease at the same temperature and pH in sterile conditions? Include two significant figures in your answer. timeuncatalyzed years * TOOLS x10
The Ksp expression for magnesium phosphate is Mg3(PO4)2(s) 3 Mg2+ (aq) + 2 PO4³-(aq). True False
mol Malate dehydrogenase catalyzes the oxidation of malate to oxaloacetate with a standard Gibbs free energy of AG° = +29.7*. What is the equilibrium constant (Keq) for this reaction at 298 K and pH 7? Under physiological conditions at 310 K and pH 7, this reaction is at equilibrium. In the mitochondrial matrix, the ratio NAD+/NADH is 8 and the concentration of malate is 1.0 mM. What is the concentration of oxaloacetate? Malate dehydrogenase is also present in the cytoplasm where the ratio NAD+/NADH is 700 and malate concentration is 1.0 mM. If this reaction is at equilibrium at 310 K and pH 7, what is the cytosolic concentration of oxaloacetate? malate + NAD+ oxaloacetate + NADH + H+
For the following organic reaction identify the mystery reactant R, its stoichiometric coefficient N, and any other substance X that must be present. CH3 CH₂ =C-C-CH=CH₂ || CH₂ Chemical formula of R: Stoichiometric coefficient N: + NR Must any other substance X be present? X CH3 | CH3 CH–CH–CH2–CH3 T CH3 If you said an additional substance X must be present, enter its chemical symbol or formula: 0 yes no 90 X 5

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