At 50°C, what is the fraction of collisions with energy equal to or greater than an activation energy of 100. kJ/mol?

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:

Q: Determine the rise, run, and slope of the line formed by these points. rise: slope: What is the…

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Q: Question 10 of 25 Submit What is AH (in kJ/mol) for a reaction where the activation energy is 250…

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Q: What is the activation energy for a reaction if k = 1.89 × 10–1 s–1 at 541 Kelvin and k = 5.93 s–1…

A: At one condition, Temperature (T1) = 541 K Rate Constant (k1) = 1.89 × 10-1 s-1   At another…

Q: A slightly bruised apple will rot extensively in about 2.5 days at room temperature (24.0 ° C). If…

A: The minimum amount of energy required by reactant molecules to participate in a reaction called…

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

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Q: Given the reaction N20 → N2 + ½ 02, what is the relation between the rates of formation and…

A: Answer is explained below. Given reaction is: N2O --> N2 + (1/2)O2 Now the relation rates of…

Q: The rate constant for a reaction at 40.0°C is exactly 3 times that at 20.0°C. Calculate the…

A: Chemical kinetics:

Q: k (1/M s) t (°C) 1.87 X 10-3 600 0.0113 650 0.0569 700 0.244 750 Determine graphically the…

A: A numerical problem based on chemical kinetics, which is to be accomplished.

Q: For a chemical reaction, the rate constant at 32.6 C is 0.003939 s^-1, while the rate constant at…

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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: A certain reaction has an activation energy of 41.96 kJ/mol. At what Kelvin temperature will the…

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Q: A certain reaction has an activation energy of 30.79 kJ/mol. At what Kelvin temperature will the…

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Q: 15. The activation energy Ea is 139.7 kJ mol−1 for the gas phase reaction HI+CH3I ----> CH4 + I2…

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Q: The activation energy for this reaction is 274 kJ mol^-1. By what factor does the rate of reaction…

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Q: A certain reaction has an activation energy of 71.24 kJ/mol.71.24 kJ/mol. At what Kelvin temperature…

A: Given, Activation energy of a reaction = 71.24kJ/mol. Initial temperature = 313K. k2/k1 = 3.00.

Q: If a temperature increase from 20.0 °C to 35.0 °C triples the rate constant for a reaction, what is…

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Q: If a reaction's rate constant at 298K is 33 M-1s-1 and 45 M-1s-1 at 675 K, what is the activation…

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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.…

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Q: When the temperature rises from 105°C (378.15K) to 168°C (441.15K) and the rate of a reaction…

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Q: When the temperature rises from 105°C (378.15K) to 168°C (441.15K) and the rate of a reaction…

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Q: A certain reaction has an activation energy of 60.65 kJ/mol. At what Kelvin temperature will the…

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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: Experiments have shown that the average frequency of chirping by a snowy tree cricket (Oecanthus…

A: For Arrhenius equation , ln(k2/k1) = (Ea/R)[(1/T1)-(1/T2)] where k1 and k2 are the rate constant at…

Q: An Arrhenius plot  (ln k vs. 1/T) of data gathered while measuring the effect of temperature on the…

A: Given that the equation of trend line, y=−6481.3x+14.945 we have to find activation energy Ea.

Q: Calculate the rate constant, ?k, for a reaction at 69.069.0 °C that has an activation energy of…

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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?

Q: 23. Experiments during a recent summer on a number of fireflies (small beetles, Lampyridaes photi-…

A: The expression of Arrhenius equation is shown below: lnK = lnA -EaRT Where; K = rate constant A =…

Q: 15. The activation energy E, is 139.7 k) mol- for the gas phase reaction HI + CH,I CH, +I, Calculate…

A: Fraction of molecules having enrgy equal to or greater than Ea is given by N= e-Ea/RT. Here…

Q: A certain reaction has an activation energy of 39.23 kJ/mol. At what Kelvin temperature will the…

A: Since the reaction is dependent on the rate constant and rate constant depends on the temperature.…

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 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: A slightly bruised apple will rot extensively in about 3.5 days at room temperature (26.0°C). If it…

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Q: The rate constant of a reaction is 0.38s-1 at 727 C and 0.87s-1 at 757C. Calculate the activation…

A: The equation for determining the activation energy is as follows,                   Where, Ea is…

Q: A certain reaction has an activation energy of 50.88 kJ/mol. At what kelvin temperature will the…

A: The relation between activation energy and temperature is given by Arrhenius equation. The…

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

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Q: At 25°C, what is the fraction of collisions with energy equal to or greater than an activation…

A: According to the collision theory, molecules should collide with each other to involve in a…

Q: 8. What is the fraction of collisions that have sufficient energy for reaction if the activation…

A: (a) Fraction of active molecules = 1eEaRT                                                     =…

Q: The activation energy (Ea) for the reaction 4S(s) + CH4 (g) → CS2 (g) + 2 H2S (G) DH° = - 1040.6…

A: The relationship between the activation energies and enthalpy change is given by  Eaf - Ear = ΔH…

Q: Calculate the activation energy, in kJ/mol reaction at 65 C that has a rate constant of 0.434s-1 and…

A: Given  Rate constant (k) = 0.434 s-1 Frequency factor (A) = 6.82 x 1010 s-1  Temperature (T) = 65oC…

Q: By plotting ln K vs 1/T, an equation of the line was obtained: y = -4865x + 1.946   Determine the…

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Q: a) In the reaction Cl2(g) + 3 F2(g) → 2 ClF3(g) the rate of disappearance of F2(g) is 1.0 M s-1 .…

A: a) The balanced chemical reaction is, Cl2(g) + 3 F2(g) → 2 ClF3(g)  The rate of disappearance of…

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

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Q: From the following data plot, calculate the activation energy, E, for the reaction. Arrhenius Plot…

A: The temperature dependence of the rate of reactions is given by the Arrhenius Equation. The equation…