Use the following information to determine the activation energy for the reaction A + B -> C + D Temperature (K) 300 350 Rate constant (L/mol 0.0500 0.150
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Use the following information to determine the activation energy for the reaction
A + B -> C + D
Temperature (K)
300
350
Rate constant (L/mol
0.0500
0.150
Step by step
Solved in 2 steps with 1 images
- 1. After 3 hours, Ibuprofen is at 100mg 2. m(t)=400e^−0.462t, K=0.462 Please answer question 5.(a) What are the units usually used to express the rates ofreactions occurring in solution? (b) As the temperatureincreases, does the reaction rate increase or decrease?(c) As a reaction proceeds, does the instantaneous reactionrate increase or decrease?(a) If Qc > Kc, how must the reaction proceed to reachequilibrium? (b) At the start of a certain reaction, onlyreactants are present; no products have been formed.What is the value of Qc at this point in the reaction?
- 7) For the reaction CO(g) + 3 H2(g) = H2O(g) + CH4(g), Kc = 190 at 1000 K. If a vessel is filled with these gases such that the initial concentrations are [CO] = 0.036 M, [H2] = 0.045, [H2O] = 0.020, 7) %3D %3D %3D and [CH4] = 0.031, in which direction will a reaction occur and why? A) it is at equilibrium because Q = 190 B) toward products because Q = 4.1 C) toward reactants because Q = 0.24 D) toward products because Q = 0.38 %3D %3D %3D %3D E) toward reactants because Q = 61 %3DEquilibrium is established for the reaction 2X(s) + Y(g) -> 2Z(g) at 500K, Kc= 100. Determine the concentration of Z in equilibrium with 0.2 mol X and 0.50 M Y at 500K.а. Identify THREE (3) isotherm shapes that are typically encountered in an adsorption process for a single adsorbate and illustrate the behavior through equilibrium relations.
- (b) Explain what will happen to the activation energy and pre-exponential factor if the following changes were made: (1) (ii) Addition of catalyst to the system. Increasing the temperature by two-fold.III O Kinetics and Equilibrium Writing the concentration equilibrium expression for a heterogeneous... Write the concentration equilibrium constant expression for this reaction. Cr₂0 (aq)+61 (aq)+14 H(aq)-31,(s)+2 Cr (aq)+7H₂O(1) 号 G 0/5Consider the following elementary reaction: (CH;),CBr(aq) - (CH;)¸c"(aq) +Br (aq) Suppose we let k, stand for the rate constant of this reaction, and k_, stand for the rate constant of the reverse reaction. 1 Write an expression that gives the equilibrium concentration of Br in terms of k,, k 1' and the equilibrium concentrations of (CH,) CBr and (CH,)C". [Br] = 0
- Al(OH),(s) = Al³*(aq) +30H¯(aq) X x.- +. log, Cos, K = [AF][OH]; ОНThe "hill" in the activation profile that reactants must pass over is called the:O Ni(H₂O)2+ (aq) + 3SCN- (aq) = Ni(SCN); (aq) + 6H₂0(1) (a) Write the Kc expression for this equilibrium. (b) Would there be a shift to the right or to the left if KSCN solution was added to a solution containing this equilibrium? Explain your answer.