If your product has a first - order degradation rate constant of 0.035 y^ - 1 at a recommended storage temperature not exceeding 25 C, what would the shelf-life be if stored at 35 Celsius (assume Q10 = 3). Select one: a. 4 months b. 1 year c. 9 years d. 27 years
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- An elementary reaction is generally expressed as: dC :-kC," dt where A is the species being depleted as the reaction progresses, k is the rate constant, and n is the order of reaction, usually referred to as the stoichiometric coefficient of the resulting product. For a polymerization reaction A> 3B, find the initial amount if after 30 seconds, A species is reduced to 5 moles/L within 3 minutes. Take the rate constant as 0.314 L?/(molľ²-min).An elementary reaction is generally expressed as: dC, = -kC," dt where A is the species being depleted as the reaction progresses, k is the rate constant, and n is the order of reaction, usually referred to as the stoichiometric coefficient of the resulting product. For a polymerization reaction A> 3B, find the initial amount if after 30 seconds, A species is reduced to 5 moles/L within 3 minutes. Take the rate constant as 0.314 L'/(moP-min).Rate law experiments don’t always give data in the form of a rate in molesper second. Some of them give an amount of time necessary for areaction to proceed to a given point. The faster the rate, the less timenecessary. For the following data, assume that the time recorded for eachexperiment is the time required to consume 0.10 M of A in a hypotheticalreaction A + B yields C Time taken (s) [A]0 [B]0 36.8 0.20 0.40 25.0 0.20 0.60 10.0 0.50 0.60 Determine the rate law and the rate constant for the reaction
- Given the following reaction CH3NNCH3(g) ==> C2H6(g) + N2(g) and the measured kinetic data below: [ CH3NNCH3(g) ] M Rate M/s 0.0113 2.86 x 10-6 0.0226 1.28 x 10-5 what is the order with respect to (each of the) reactants CH3NNCH3(g),? Type your calculated answer for CH3NNCH3(g) here:The Arrhenius equation shows the relationship between the rate constant k and the temperature T in kelvins and is typically written as k = Ae-E/RT where R is the gas constant (8.314 J/mol K), A is a constant called the frequency factor, and Da is the activation energy for the reaction. However, a more practical form of this equation IS In = (1-12) Ea R which is mathmatically equivalent to In Ea F (1/2 R T₂ k2 T1 where ki and k2 are the rate constants for a single reaction at two different absolute temperatures (T₁ and T₂). ▼ Part A The activation energy of a certain reaction is 42.1 kJ/mol. At 20 °C, the rate constant is 0.0150s¹. At what temperature in degrees Celsius would this reaction go twice as fast? Express your answer with the appropriate units. T₂ = Submit Part B Value k₂ = Request Answer Submit Given that the initial rate constant is 0.0150s¹ at an initial temperature of 20 °C, what would the rate constant be at a temperature of 200. °C for the same reaction described in Part…15. An enzyme catalyzes the reaction A --> B. The initial rate of the reaction was measured as a function of the concentration of A. The following data were obtained: See diagram What is the value of V0 when [A] =43? - 37 nmoles/min - 20 nmoles/min - 50 nmoles/min - 40 nmoles/min - 30 nmoles/min
- Consider the following reaction: RX;Y+ 3Y2 → RY++ 3XY. A series of reactions were carried out at 100°C to yield the data below. Trial Initial molarity, RX:Y Initial molarity, YıInitial rate (M/sec) 1 0.85 0.25 0.56 2 2.55 0.25 0.56 a. Based on the data, what is the order with respect to RX; Y? b. If the order with respect to Yı is second order, calculate the rate constant for the reaction.10 Degrees Below16 ° C Room Temperature 26 ° C 10 Degrees Above36 ° C 20 Degrees Above46 ° C 30 Degrees Above56 ° C Depth of H2O2 Solution (d) 2.1 cm 2.1 cm 2.1 cm 2.1 cm 2.1 cm Time (t) 56.30 sec 67.81 sec 23.75 sec 18.50sec e 21.30 sec Rate of the Reaction(R = d/t) 0.04 cm/sec 0.031cm/sec 0.09 cm/sec 0.114 cm/sec 0. 1 cm / sec graph the rate of the reaction on the y-axis and temperature on the x-axis. Based on the information in the data table and your graph, is there an optimum temperature for catalase that makes it the most productive in terms of reaction rate? If so, what is the temperature? At what temperature, does the rate of the reaction decrease? Explain why.write the mechanism 2.3 NaOH, H₂O & Heat
- 1) The following data were collected for the reaction of A(g) → B (g): exp't | Initial [A] (moldm*) | Rate (moldms" 1 0.200 0.0682 2 0.350 0.2384 3 0.175 0.0596 a) What is the order of reaction with respect to A? Explain. b) What is the overall reaction order? c) Give the rate equation for this reaction.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).The rate constant of reaction A^ m+ + B^n--C is measured in two solution of ionic strength 0,16 M and 0.09 M. If the ratio of rate constant in two solution is 10^42, then the product of charges is 4 5 06 S 07
