What is the activation energy for a reaction if k= 1.89 X 10^-8 s^-1 at 540 degrees Kelvin and k= 2.45 X 10^-7 s^-1 at 601 degrees Kelvin?

Q: Describe the process of determining the Activation Energy?

A: The minimum energy has to be provided to the reactant to result in a chemical reaction, called…

Q: For the reaction BrO3– + 5Br–+ 6H+ → 3Br2 + 3H2O at a particular time, –Δ[BrO3–]/Δt = 1.5 × 10–2…

A: Given: -∆[BrO3-]∆t=1.5×10-2  M/s To find: -∆[Br-]∆t

Q: Consider this reaction data. A⟶products A⟶products     T (K) k (s–1) 225 0.396 575 0.758…

A: The given data is the values of rate constant (k) at two different temperatures. Using these data…

Q: What is the role of the activated complex in a chemicalreaction?

A: The role of activated complex in a chemical reaction has to be given.

Q: Calculate the activation energy, Ea, for N205(g) → 2 NO2(g) + 1/2 O2(g) given k (at 45.0 °C) = 5.79…

A:

Q: what speeds up a chemical reaction and how is activation energy related to it?

A: Interpretation-  To tell about the speeds up of a chemical reaction and how the activation energy…

Q: 385.66 6.56 x 10-6 a. Use Excel to create graphs of [AB] vs time, 1/[AB] vs time, and In[AB] vs…

A: We are given a set of data between concentration and time, and we have to find its order using…

Q: tion energy for the reverse reaction is 25.4 kJ. What is the

A: Firstly we should know about reaction nature. This reaction is Endothermic because of breaking of…

Q: B Reaction Coordinate /hat does arrow 'C' represent? the heat of reaction for the forward reaction…

A: Activation energy is defined as the minimum amount of energy required by the reacting molecules to…

Q: Differentiatethe types of catalysts

A: Catalyst can be defined as the substance that increases speed of reaction without getting consumed…

Q: Define the term activated complex and explain its significance in a chemical reaction.

A: Activated complex is a stage that comes in the path of reactants getting converted to products.

Q: Which of the following components in the reaction below is a catalyst? H,O, + I H,O + IO (slow) H2O,…

A: Catalyst is a chemical substance that present in a chemical reaction to increase the rate of…

Q: The equilibrium constant, K, of a certain first order reaction was measured at two temperatures, T.…

A: According to van’t Hoff equation the enthalpy of vaporization can be determined by plotting graph…

Q: Define the term activated complex?

A: When a chemical reaction proceeds, the reactants may arrange into an unstable transition state.…

Q: Explain how the activation energy for the forward and the reverse reactions are similar and how they…

A: Activation energy: When the reactant molecule converts into the products, they required the minimum…

Q: 63.  The element Co exists in two oxidation states, Co(II) and Co(III), and the ions form many…

A: Given information: T (K) k (s−1) 293(T1) 0.054(K1) 298(T2) 0.100(K2)

Q: a) Complete the table below by providing the data needed to obtain the activation energy by the…

A:

Q: The activation energy is the minimum amount of energy necessary for a chemical reaction to occur. O…

A: Activation Energy (Ea) :- Yes, activation energy is the minimum amount of energy required for a…

Q: Which statement about the factors that affect reaction rates is false? Decreasing the concentrations…

A: Since you have asked multiple question, we will solve the first question for you. If you want any…

Q: 4. D) True or False: In order for a catalyst to function, it must exist in the same phase as the…

A: catalyst is a species which increases the rate of the reaction by decreasing the activation energy…

Q: The equation k = Ae (Ea/RT) indicates the rate of a reaction decreases when the activation energy…

A: True

Q: what is the effect on k as the activation energy for a reaction increases

A: The Arrhenius equation is given as :

Q: Explain how to calculate the activation energy for the reaction

A: Activation energy is the minimum amount of energy needed to activate or energize molecules or atoms…

Q: Which statement about catalysts is NOT true? (a) A catalyst increases the rate of a chemical…

A: The False statement about catalysts has to be identified

Q: Which of the following changes will affect the activation energy of a reaction? 1. Increasing or…

A: Activation energy: When the reactant molecules convert into the products, they required the minimum…

Q: (b) Explain what will happen to the activation energy and pre-exponential factor if the following…

A: In a chemical reaction, the conversion of reactants to products requires several criteria to be met.…

Q: What is the concentration of A after 18.3 minutes for the reaction A → Products when the initial…

A: k = 0.0451 M-1min-1  So, it is a second order reaction.  Given datas ;  [A]0 = 0.750 M  t = 18.3 min…

Q: 4. If the concentration of the reactant H2 was decreased from 1.0x 10-2 M to 2.7x 104 M, calculate…

A: [4.]

Q: Define Catalysts ?

A: SOLUTION: Step 1: A catalyst is any substance that increases a reaction rate without being consumed…

Q: How do reaction rates typically depend on temperature?

A: The change in concentration of the reactant or the product per unit time is called as the rate of…

Q: A2(g) + B2(g) →2 AB(g) The activation energy (Ea) in the forward direction is +143 kJ. The…

A: The forward reaction has high Activation energy than backward reaction so the energy barrier is high…

Q: How does collision orientation affect the rate of a reaction

A: Reaction rate, in chemistry, the speed at which a chemical reaction proceeds. Collision theory used…

Q: 12) At 25 °C, a certain elementary reaction has a forward rate constant equal 1.0 x 10³ s' and an…

A: Given,  Rate constant for forward direction = Kf = 1.0 x 10-3 s-1  Equilibrium constant = Keq = 4.19…

Q: The three conditions of collision theory are: 1 - The particles must:    Collide 2 - The particles…

A: According to the collision theory three important condition must be satisfy to occur a reaction…

Q: The mechanism for the formation of sulfur trioxide 2SO>(g) + O2(g) = 2SO3 can be described as S(s) +…

A: Given:

Q: (b) Explain what will happen to the activation energy and pre-exponential factor if the following…

A: The Answer to the following question is -

Q: 19. For the reaction, CO2(g) + C(s) #2C0(g) AH=172.5k a. decreasing temperature b. increasing volume

A: The effect of temperature, pressure and concentration on a system which is in equilibrium is…

Q: All other factors held constant, which graph represents the sample/reaction with the largest value…

A: The increase in temperature increases the rate of reaction by increasing the kinetic energy of the…

Q: Does a catalyst increase reaction rate by the same meansas a rise in temperature does? Explain.

A: The rate of rarction increases on increasing the temperature.  For most of the homogeneous…

Q: Consider the reaction data. A⟶productsA⟶products T  (K)T  (K) k  (s−1)k  (s−1) 325325…

A: According to Arrhenius equation, activation energy can be determined by plotting a graph between…

Q: 20. The reaction 2 SO2(g) + 102(g) 2 2 SO3(g) is exothermic. Which of the following statements is…

A: Given reaction 2 SO2(g) + O2(g) ↔ 2 SO3(g)Kc = equilibrium constantEa = Activation Energy∆H° =…

Q: explain the difference between the net energy change of a reaction and the activation energy of the…

A: Activation Energy (Ea)= Activation energy is defined as the energy difference between the potential…

Q: 22.7 Distinguish between kinetic and thermodynamic control of a reaction.

A: Kinetic products are those that is formed faster, and the thermodynamic product are the products…

Q: How does the value of k vary with temperature? Explain why this happens in terms of the activation…

A: According to Arrhenius equation, rate constant K is calculated in terms of activation energy as…

Q: Which items correctly complete the following statment? A catalyst can act in a chemical reaction to:…

A:

Q: Calculate the activation energy (EA) for the forward reaction.

A: