Direction: Solve the following problems. Show your solution. Use separate sheet of рaper 1. The activation energy for the decomposition of HI(g) to H2g) and Iz(g) is 186 kJ/mol. The rate constant at 555K is 3.52 x 10-7L/mol s. What is the rate constant t 645K?

Q: The rate constant for the reaction below was determined to be 3.241x10-5 s1 at 800 K. The activation…

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Q: a.) Would you expect this reaction to take place in a single step? Why or why not? b.) This reaction…

A: The question is based on the concept of chemical kinetics. we have to observe the reaction and…

Q: NO, (aq) +0,(g) NO, (ag) +0,(g) The following data were collected for this reaction at 298 K.…

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Q: The reaction X + X3 → 2 X2 is shown to have an activation energy of 87 kJ/mol while the enthalpy of…

A: For the given forward reaction,X + X3  → 2 X2      Ea, forward = 87 kJ/mol Enthalpy of the…

Q: The rate constant for the following second-order reaction is 0.80/(M·s) at 10°C.   2NOBr(g) → 2NO(g)…

A: The decomposition of NOBr to nitric oxide and bromine is a second order reaction with a rate…

Q: Determine the activation energy for this reaction.

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Q: 10. A reaction has a rate constant of 7.3 x 10-4 M/s at 315 K and frequency factor of 4.4 x 107.…

A: Rate constant = 7.3 × 10-4 M/s  Frequency factor = 4.4 × 107  Temperature = 315 k  Activation energy…

Q: The reaction X + X₃ → 2 X₂ is shown to have an activation energy of 85 kJ/mol while the enthalpy of…

A: Enthalpy of a reaction ∆H is calculated by subtracting the activation energy of backward reaction Eb…

Q: The reaction X + X3 → 2 X2 is shown to have an activation energy of 51 kJ/mol while the enthalpy of…

A: Given:  Enthalpy of reaction (ΔH) = -388kJ/mol Activation energy for forward reaction (Ea,f) = 51…

Q: Given the first order reaction: Y - Z It is found that this reaction is 40.0% complete at the end of…

A: Reaction completed = 40.0 %  Time = 40 minutes Rate constant (in min-1 ) = ?

Q: For the first order reaction 2X --> N + 3P, the half life is measured as 57 seconds. If the initial…

A: To solve this problem first we calculate the rate constant( K) using half life time (t1/2)  I.e K=…

Q: A second order reaction has a rate constant of 8.7x10-4/(M·s) and an activation energy of 4.294x104…

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Q: A first order reaction has a rate constant of 0.239 sec-1 at 25.6 oC. If the activation energy is 62…

A: Ea = activation energyA = pre-exponential factor,R = gas constant,T = absolute temperaturek =…

Q: The half-life for the second-order decomposition reaction of 0.200 M HI to form H2 and I2 is…

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Q: and 9.6 x 10-2 s A first-order reaction has rate constants of 4.6 x 10-2 si respectively. What is…

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Q: The reaction CH31 + HI CH4 + 12 was observed to have rate constants k = 3.2 L mol 1 sa What is the…

A: Given data : k1= 3.2Lmol-1s-1  K2= 23Lmol-1s-1 T1= 355°C T2 = 405°C

Q: The activation energy for the decomposition of HI(g) to H2 (g) and I2 (g) is 186 kJ/mol. The rate…

A: The value of activation energy (Ea)  = 186 KJ/mol  or 186000 J/mol Rate constant at 555 K  (K1)    =…

Q: The rate constant for the reaction below was determined to be 3.241x10-5 s-1 at 800 K. The…

A: Given information,  The rate constant (K1) of the given reaction at 800 K is 3.241 × 10-5 s-1.…

Q: The activation energy for a reaction is 509.2 kJ. The rate constant at 54.7°C is equal to 2.58 x…

A: Given data: The activation energy for a reaction (Ea) is 509.2 kJ. Temperature T1 = 54.7°C=54.7+273…

Q: For the gas phase decomposition of dichloroethane, CH3CHCI,- →CH2=CHCI + HCI the rate constant at…

A: Given  K1  = 4.66 × 10-4 Sec-1 K2  =  4.57 × 10-3 Sec-1 T1  = 700 k T2  = 748 k Activation Energy…

Q: 11 of 48 For a 1st order reaction with a starting concentration of 0.20 M will drop to what…

A: In this question we will determine the Concentration after 30s for first order reaction. You can see…

Q: In 30.0 minutes, a first order reaction is 25% complete. Calculate how long it will take for the…

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Q: The rate constant of a certain reaction is known to obey the Arrhenius equation, and to have an…

A: Given that: Ea = 30.0 kJ/mol = 30.0×103 J/mol k1 = 2.9×107 M-1s-1 T1 = 345 0C = 345 + 273 = 673 K…

Q: The reaction 2 HI(g) → H2(g) + 2(g) has rate constants of 8.5 x 10-9 M-1 s¹ at 500 K and 1.1 x 10-6…

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Q: For the reaction profile shown: a. This profile shows an exothermic reaction. b. What is the…

A: When the reaction enthalpy is positive then the reaction will be endothermic.

Q: The reaction in which CO2 decomposes to CO and a free radical oxygen atom, 0, has an activation…

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Q: The rate constant of a certain reaction is known to obey the Arrhenius equation, and to have an…

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

A: Temperature  T1 = 35°C = 308.15 K T2 = 45°C = 318.15 K T3 = 85°C = 358.15 K Rate constant K1 =…

Q: If a first order reaction has a rate constant of 2.75 x 10-2 s-1 at 20°C what would be the value of…

A: Solution The chemist equation is AN expression that gives a relationship between the speed constant…

Q: For the reversible, one‑step reaction,   A+A⥫ k1k-1⥬B+C   the rate constant for the forward…

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Q: The half-life for the following first order reaction is 285 minutes at 1000°C.  Calculate the…

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Q: The rate constant of a certain reaction is known to obey the Arrhenius equation, and to have an…

A: Rate constant at different temperatures can be calculated from integrated arrhenius equation.

Q: The gas phase reaction of iodine with silane takes place according to a second-order reaction: I(g)…

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Q: Calculate the activation energy, in kJ/mol, for the reaction below A + 2 B ------> C + 2D   Temp…

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Q: The decomposition of hydrogen peroxide in the presence of potassium iodide is believed to occur by…

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Q: The rate constant of a certain reaction is known to obey the Arrhenius equation, and to have an…

A: The Arrhenius equation is k = Ae-EaRT where, k is the rate constant A is Arrhenius factor or…

Q: Determine Ea and A, the activation energy and pre-exponential factor. What is the value of the rate…

A: The details solution for this is provided below in attach image.

Q: The gas-phase reaction 2 N2O5 (g) → 4 NO2(g)+ O2(g) has an activation energy of 103 kJ/mol, and the…

A: Given: The activation energy is 103 kJ/mol. The rate constant at 328.0 K is 0.0900 min-1. The final…

Q: Given the first order reaction: Y Z It is found that this reaction is 40.0% complete at the end of…

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Q: (a) The reaction H2O2(aq)---->H2O(l) + 1/2O2(g) is firstorder. At 300 K the rate constant equals…

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Q: The following gaseous reaction follows first order kinetics: AB2C(g)  ABC(g) + B(g) The activation…

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Q: At a temperature of 27oC and the reaction rate is 6.378 x 10-1 s-1. The reaction is of order 1. It…

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Q: Enter your answer in the provided box. The rate constant for the following second-order reaction is…

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Q: The rate constant for the reaction below was determined to be 3.241×10-5  s–1 at 800 K. The…

A: Given, the chemical reaction,N2O(g)→N2(g)+O2(g)  ;rate constant of reaction at 800 K, k1 =3.241×10-5…

Q: The rate constant of a certain reaction is known to obey the Arrhenius equation, and to have an…

A: Calculating the rate constant at two different temperatures using the Arrhenius equation is:…

Q: In 2nd order reaction 2OH →→ H2O + O k = 1.47 x 1010 M-1 s-1. There is an initial OH concentration…

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Q: The reaction X+ X3 2 X2 is shown to have an activation energy of 57 kJ/mol while the enthalpy of…

A: Activation energy is the minimum amount of energy required to the transition state. Enthalpy of…

Q: The reaction X + X₃ → 2 X₂ is shown to have an activation energy of 25 kJ/mol while the enthalpy of…

A: Given,  X + X₃ → 2 X₂ Activation energy = 25 kJ/mol Enthalpy of reaction (∆H) is -388 kJ/mol

Q: C2H2 + 3H2 has a rate constant of 5.76 M-1•min-1 at 1600 3. The second order reaction 2CH4 K. How…

A: Chemical kinetics deals with the study of the rates of chemical reactions. A second order reaction…