The activation barrier for the hydrolysis of sucrose into glucose and fructose is 108 kJ>mol. If an enzyme increases the rate of the hydrolysis reaction by a factor of 1 million, how much lower must the activation barrier be when sucrose is in the active site of the enzyme? (Assume that the frequency factors for the catalyzed and muncatalyzed reactions are identical and a temperature of 25 °C.)

Q: Suppose that a catalyst lowers the activation barrier of a reaction from 125 kJ/mol to 55 kJ/mol. By…

A: Arrhenius equation tells how rate of reaction depends on temperature. It is given as:

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Q: The activation energy of an uncatalyzed reaction is 95 kj/mol. The addition of a catalyst lowers the…

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A: It is given that the energy of activation (Ea) of uncatalyzed reaction is 125 KJ/mol or 125000 J/mol…

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A: Activation energy (Ea) is the minimum energy required for the occurrence of a chemical reaction.…

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A: Arrhenius equation is: k = Ae-E/RT                              . . . (1) Here. k is the rate…

Q: References] In a series of experiments on the decomposition of dinitrogen pentoxide, N2O5, rate…

A: Answer:

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Q: Problem:  It takes about 3.0 minutes to cook a hard-boiled egg in Los Angeles, but at the higher…

A: To cook a hard-boiled egg at Los Angeles, it takes 3.0 minutes. Thus, the rate constant K1 is equal…

Q: Suppose that a catalyst lowers the activation barrier of a reaction from 127 kJ/mol to 51 kJ/mol .…

A: Activation energy is the minimum energy required for a chemical reaction or reactants to go to…

Q: Manfred Eigen, a German physical chemist working dur- ing the 1970s and 1980s, earned a Nobel Prize…

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A: The given reaction is shown below: CO2(g)+H2O(l)⟶HCO3−(aq)+H+(aq) Given information: K1 = 0.039 s−1…

Q: One form of DNA damage, methylation, destabilizes adenosine residues. At 37 °C, the t1/2 for…

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Q: i dont get the entire question

A: a) The relationship between activation energy and Rate constant is as shown below Note : R = 8.314…

Q: The activation energy of one of the reactions in a biochemical process is 87 kJ mol−1. What is the…

A: Given information: Activation energy = 87 kJ/mol Initial temperature = 37 ℃ Final temperature = 15 ℃

Q: The activation barrier for a reaction is 77.0 kJ/mol. If an enzyme increases the rate of the…

A: Arrhenius equation is given by,  k = A.e-Ea/RT    k = rate of reaction  A = Arrhenius constant  Ea…

Q: A researcher raises the temperature from 37.8 to 49.8 o C and finds that the rate of the reaction…

A: The expression of Arrhenius equation is shown below: Where; k = rate constant A = Arrhenius…

Q: Suppose that a catalyst lowers the activation barrier of a reaction from 125 kJ/mol t o 55 kJ/mol.…

A:

Q: What is the activation energy in kJ/mol for a reaction that has a rate constant that is (2.73x10^0)…

A: Rate constant is temperature dependent

Q: Which of the following graphs of the rate constant (k) and the temperature would give a straight…

A: We will use arrhenious Equation for this plot of graph .

Q: The activation energy for a particular reaction is 102 kJ/mol. If the rate constant is 1.35 × 10⁻⁴…

A: For a particular reaction,  Activation energy, Ea = 102 kJ mol-1…

Q: The chirping rate of a cricket, X, in chirps per minute near room temperature, is X = 7.2t – 32…

A: The chirping rate of a cricket,X in chirps/min at room temperature is ,  X = 7.2t - 32  Given that,…

Q: What is the ratio of f at the higher temperature to f at the lower temperature?

A: Step : 1             What is the ratio of f at the higher temperature to f at the lower temperature?

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A: Slope is calculated by data 1 and data 2  which is equal to -Ea/R

Q: The activation energy for a particular reaction is 102 kJ/mol. If the rate constant is 1.35 x 10 s1…

A: The rate constant will be calculated by using integrated arrhenius equation. Rate constant of…

Q: The activation energy of a reaction is 56.8 kJ/mol and the frequency factor is 1.5 × 1011/s.…

A: Given information:The activation energy for the reaction (Ea) = 56.8 kJ/molFrequency factor  =…

Q: the rate enhancement due to the addition of enzyme is 5.00 x 108 , determine the following (at 25°C)…

A: Enzyme kinetics is the study of chemical reactions catalyzed by enzymes. Enzymes provide an…

Q: The activation energy of an uncatalyzed reaction is 95 kJ/mol. The addition of a catalyst lowers the…

A: Interpretation -  To determine the factor (ratio of K1(catalyzed)/K2(uncatalyzed)) will the catalyst…

Q: The activation energy for a particular reaction is 102 kJ/mol. If the rate constant is 1.35 × 10⁻⁴…

A: Activation energy at two different temperature related with rate constants. The relationship is…

Q: The decomposition of nitrogen dioxide has an activation energy of 1.10e5 J/mol and a rate constant…

A: Correct answer:  9.49e-1 M-1s-1

Q: Assuming that the collision factor remains the same, by what factor will the catalyst increase the…

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Q: Explain enzyme kinetics including zero-order and first-order kinetics.

A: Answer - Enzyme kinetics - Enzyme kinetics is the study of the rates of enzyme-catalysed chemical…

Q: The activation energy of an uncatalyzed reaction is 95 kJ/mol. The addition of a catalyst lowers the…

A:

Q: Given that E, for a certain biological reaction is 56 kJ/mol and that the rate constant is 5 x 10-2…

A: Given: Activation energy (Ea) = 56 kJ/mol Rate constant (K1) = 5 × 10-2 s-1 Initial temperature (T1)…

Q: The activation energy of an uncatalyzed reaction is 94 kJ/molk. The addition of a catalyst lowers…

A:

Q: Aresearcher raises the temperature from 56.8 to 69.6 "C and finds that the rate of the reaction…

A:

Q: Suppose that a certain biologically important reaction is quite slow at physiological temperature…

A: Arrhenius equation is given by,

Q: If a temperature increase from 10.0 °C to 20.0 °C doubles the rate constant for a reaction, what is…

A: Given information:Initial temperature (T1) = 10.0 °CFinal temperature (T2) = 20.0 °CRate constant k1…

Q: Calculate the activation energy of the alternate pathway, assuming the reaction rate increases by a…

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Q: The activation energy for the denaturation of a protein is 385 kJ/mol. At what temperature will the…

A: Given Ea = 385 kJ T1 = 25°C

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A: Observing the given statements shows that the 3rd half life duration value cannot be 10.5 minutes…

Q: The hydrolysis of sucrose (C12H22O11) into glucose and fructose in acidic water has a rate constant…

A: GIVEN: rate constant = 1.8 * 10 - 4 s-1 Volume of sucrose= 2.55L Molarity of sucrose = 0.150 M Time…

Q: The activation energy of an uncatalyzed reaction is 95 kJ/mol. The addition of a catalyst lowers the…

A:

Q: Suppose that, in the absence of a catalyst, a certain biochemical reaction occurs x times per second…

A: The Arrhenius equation is given below.