Which reaction responds more strongly to changes of temperature, one with an activation energy of 52 kJ mol-1 or one with an activation energy of 25 kJ mol-1?

Q: A first-order reaction has rate constants of 4.6 x 10 2 s1 and 9.3 x 10 2 sl at 0°C and 20.°C,…

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Q: Assuming the activation energies are equal, which of the following reactions will proceed at a…

A: Solution- Activation energy is the extra energy needed by the molecules such that reactant molecules…

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

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Q: The rate constant of a particular reaction increases by a factor of 8 as the temperature is…

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Q: What is reaction energy if the activation energy is 250 kJ/mol (for the forward reaction) and the…

A: The activation energy for forward reaction is 250 KJ/mol and that of backward(reverse) reaction is…

Q: What is the activation energy of the reverse reaction if the forward reaction has an activation…

A: The activation energy of reversible reaction can be calculated by subtracting the enthalpy from the…

Q: (c) The rate constant for a certain reaction is 2.52 x 10 *s' at 463K and 6.30 x 10°s at 503 K.…

A: The question is based on the concept of chemical kinetics. we have been given rate constant values…

Q: A certain reaction has an activation energy of 99.0 kJ/mol and a rate constant of 1.8 s-1 at 123.…

A: Given : Activation energy of reaction = 99.0 KJ/mol = 99000 J/mol.…

Q: A certain reaction has an activation energy of 52.53 kJ/mol. At what Kelvin temperature will the…

A: Given K2 = 5 K1

Q: A first-order reaction has rate constants of 4.6 x 10-2 s-1 and 9.6 x 10-2 s1 at 0°C and 20.°C,…

A: The given data contains, k1=4.6×10-2/sk2=9.6×10-2/sT1=273 KT2=293 K

Q: For the following reaction producing 1 mol of oxygen gas at a particular temperature, ΔH = –180 kJ.…

A: For an exothermic reaction, the activation energy for the reverse reaction is greater than the…

Q: Enzymes in the human liver catalyze a large number of reactions that degrade ingested toxic…

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Q: For a chemical reaction, the activation energy for the forward reaction is +181 kJ and the…

A: The overall energy change for the forward reaction is the difference in energy between products and…

Q: Calculate the rate constant, k, for a reaction at 75.0 °C that has an activation energy of 82.7…

A: According to the Arrhenius equation, the rate constant can be calculated by knowing the frequency…

Q: The rate constant for a reaction is 1.08×10^7 M^-1 s^-1 at 298 K and 3.81 x 10^6 M^-1 s^-1 at 243K.…

A: Arrhenius equation:If we know the value of the rate constant at two different temperatures, we can…

Q: 14. What is activation energy? Is it always constant for the same reaction? Why ? (3pts)

A: Given Activation energy activation energy is always constant for the same reaction

Q: The chirping rate of an insect, a result of biochemical reactions, is found to increase with…

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Q: For a decomposition reaction the values of rate constant k at two different temperatures are given…

A: Given, k1 = 2.15 × 10-8 L mol-1 s-1 at 650 Kk2 = 2.39 × 10-7 L mol-1 s-1 at 700 K

Q: What is the activation energy of a reaction if it has the following rate constants? Rate Constant…

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Q: In the reaction profile shown below, which of the following statements is false? A) The activation…

A: The given energy diagram represents an endothermic reaction. Since, the energy of the product is…

Q: Define the following terms.(i) Rate constant (k) (ii) Activation energy ( Ea)

A: i) Rate constant- It is the proportionality constant of rate law which is different (and identical…

Q: What is the activation energy for a reaction if the rate of the reaction doubles when the…

A: Temperature,T1 = 20°C or 293K Temperature,T2 = 35°C or 308K Value of Gas constant, R = 8.314J/mol K…

Q: The rate constant of a reaction is 4.7X10⁻³ s⁻¹at 25°C,and the activation energy is 33.6 kJ/mol.…

A: The term Arrhenius equation in chemistry can be defined as the equation which is used to dependence…

Q: A certain reaction has an activation energy of 29.12 kJ/mol. At what Kelvin temperature will the…

A: Given : Activation energy of reaction, Ea = 29.12 KJ/mol = 29120 J/mol…

Q: N2 (g) + 2 O2 (g) N2O4 (g) The above reaction has an activation energy of 495 kJ and a change in…

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Q: The rate of a particular reaction quadruples when the temperature is increased from 25°C to 35°C.…

A: Arrhenius equation says the rate constant of a reaction is related to its activation energy at a…

Q: A certain reaction has an activation energy of 39.57 kJ/mol. At what Kelvin temperature will the…

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Q: For a chemical reaction, the activation energy for the forward reaction is +187 kJ and the…

A: The overall energy change is equal to the difference of the activation energy for the forward and…

Q: What is the activation energy for a reaction if k= 1.89 X 10^-8 s^-1 at 540 degrees Kelvin and k=…

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Q: 4) If the activation energy of an endothermic reaction is 40 kJ, the activation energy for the…

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Q: What is the activation energy of a reaction that is three times faster at 40.0 °C than it is at 20.0…

A: we have to calculate the activation energy for the reaction

Q: The rate constant of a chemical reaction is found to double when the temperature is raised from 25…

A: Given, Initial temperature=250C=(25+273)K                                         =298K Final…

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 reaction rate constants of a reaction at 298 K and 373 K are 0.0450 s-1 and 20.1 s-1,…

A: The activation energy of a reaction at different temperatures can be determined from its rate…

Q: Determine which of the two diagrams here (both for the same reaction) involves a catalyst, and…

A: Activation energy,Ea, is the minimum energy required for reactants to get converted to products.…

Q: A researcher raises the temperature from 39.4 to 56.2 o C and finds that the rate of the reaction…

A: Given that: T1 = 39.4 o C = 39.4+273 = 312.4 K T2 = 56.2 o C= 56.2+273 = 329.2 K initial rate = k1…

Q: Which of the following collisions will initiate the reaction? The energy of the collision is written…

A: To initiate the reaction by a collision is possible only when the collision energy is equal to or…

Q: What is the activation energy of a reaction if it has the following rate constants? Rate Constant…

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Q: A chemical reaction is characterized by the following experimental data: Rate Constant (L mol-'s-l)…

A: The rate constant v/s temperature data given is,

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: Hydrogen peroxide decomposes spontaneously to yield water and oxygen gas according to the reaction…

A: A numerical problem based on Arrhenius equation.

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

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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 reaction has a rate constant of 7.3 x10 ^ -4 M/s at 315 K and a frequency factor of 4.4 x 10^7.…

A: The relation between rate constant, frequency factor, A and activation energy, Ea k = Ae-EaRT

Q: The following chemical reaction HI(g) + CH,I(g) → CH,(g) + L(g) is characterized by the experimental…

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Q: Rate Constant Temperature 6.20 x 10-4 s-1 700 K

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Q: The rate of a particular reaction quadruples when the temperature is increased from 25°C to 35°C.…

A: Rate of a reaction is quadruples. Initial temperature = 25°C   .....Or  because   °C + 273 = k…

Q: The reaction X + X₃ → 2 X₂ is shown to have an activation energy of 77 kJ/mol while the enthalpy of…

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