Regarding the reasoning for the Michaelis-Menten equation to be unsuitable for accurate analysis of experimental data, select all that apply: It is nonlinear It is only valid for reactions at equilibrium It is not valid under experimental conditions Extrapolation to Vm is inaccurate and therefore Km also cannot be accurately described
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Regarding the reasoning for the Michaelis-Menten equation to be unsuitable for accurate analysis of experimental data, select all that apply:
It is nonlinear
It is only valid for reactions at equilibrium
It is not valid under experimental conditions
Extrapolation to Vm is inaccurate and therefore Km also cannot be accurately described
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- For the following reaction X + YA + B at 300 K, it is found equilibrium constant equal to 10. Therefore, AG & AGⓇ of the reaction at 300 K respectively are - Answer bSuggest an appropriate reason for the observation : “On increasing temperature of the reacting system by 10 degrees, the rate of reaction almost doubles or even some times becomes five folds.”a. State TWO (2) advantages of Inductively coupled plasma-optical emission spectroscopy (ICP-OES) over Flame atomic absorption spectroscopy (FAAS).b. What are the TWO (2) advantages of graphite furnace AAS (GFAAS) over flame AAS (FAAS)?c. What is one of the main disadvantages that most flames used in AAShave?
- Consider the following reaction at 25°C with the ΔG°’ = +1800 J/mol for the forward reaction.The molar concentrations at the beginning of the reaction were [A] = 19 mM and [B] = 10 mM.After 1 hour, the concentrations were [A] = 16 mM and [B] = 13 mM. Calculate the ΔG of the reaction at the 1 hour timepoint. Please round to 1 decimal point.Gas constant = 8.315 J/mol KInspired by the sacrifices done by the protector Naevis, Winter was determined to continue Naevis’ experiments with the compounds discovered from Kwangya. Winter searched for all the surviving data from the aftermath of the battle against the Black Mamba and found the following graphs and values. The general reaction for the formation of compound Ae is as follows: Nvs + We + Luv + You → Ae (See picture) Table 1. Reaction rates of various Ae formation runs at 30 oC. Run Concentration of each component in Solution Initial rate, M/s [Nvs], M [We], M [Luv], M [You], M 1 0.053 0.082 0.092 0.046 8.44 x 10-10 2 0.029 0.096 0.092 0.034 1.87 x 10-10 3 0.053 0.074 0.092 0.034 6.24 x 10-10 She also found a numerical value for k = 7.1 x 10-5 but was not able to find its unit. Help her find the following: Order of the reaction with respect to Luv (round off to the nearest whole number) Unit of the rate constant Rate Law of…An enzyme is discovered that catalyzes the chemical reaction A team of motivated researchers sets out to study the enzyme, which they callhappyase. They find that the kcat for happyase is 600 s−1 and carry out several additional experiments.When [Et] = 20 nM and [SAD] = 40 μM, the reaction velocity, V0, is 9.6μM s−1. Calculate Km for the substrate SAD.
- The Lineweaver-Burke plots of a reaction without inhibitor and one with non-competitive inhibitor will have the same 1. Vmax2. Km3. Km/Vmax4. 1/VmaxThe equation of the double reciprocal plot is y = 0.5294 x + 1.4960. What is the value of vmax (in M/s)? The substrate concentration is given in units of molarity (M) and reaction velocity has units of molarity per second (M/s). (Report to three significant figures)Which of the following statements is FALSE regarding all reactions of the type A <=> B at equilibrium? a) net velocity (V) = 0 b) V of forward reaction = V of reverse reaction c) kf = kr d) ∆Gactual = 0
- Answer the following questions yes or no (Y/N): Is the michaelis-menten equation valid under experimental conditions? Is the michaelis-menten equation only valid for reactions that are at equilibrium? Is extrapolation to Vm inaccurate, but Km is accurately determined in the michaelis-menten equation? Is the michaelis-menten equation nonlinear? Is extrapolation to Vm inaccurate, and therefore Km cannot be accurately determined in the michaelis-menten equation?For the following reaction 3 experiments have been run and the data collected is in the following table @ 35 degrees Celsius 2 NO2F(g) ---> 2 NO2(g) + F2(g) Experiment [NO2F], M Rates, M/s 1 0.263 0.168 2 0.349 0.223 3 0.421 0.269 a) How long will it take for a 65% NO2F solution to become a 31% NO2F solution @35 degrees Celsius?(Hint: Use mass ratios and assume ~1g/ml for density of solutions to get you started) b) It has been determined that at 75 degrees Celsius the rate constant is 1.046 s-1. Calculate the activation energy for the decomposition of NO2F. [Hint: ]ln?1?2=?a?(1?2―1?1) c) What is the half-life of a 35% solution of NO2F @ 35 degrees Celsius?The difference in chemical potential of a particular substance between two regions of a system is −8.3 kJ mol−1. By how much does the Gibbs energy change when 0.15 mmol of that substance is transferred from one region to the other?