The temperature dependence of the rate constant for a re- action is tabulated as follows: Temperature (K) k (M-s-) 600 0.028 650 0.22 700 1.3 750 6.0 800 23 Calculate Eq and A.
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- The reaction: H2 + I2 = 2HI has an Eactivation = 2000 J/mol. Suppose that it has K=7.5x10-5 M-1s-1 at T=700K, find K at T=800K.Why proposed mechanisms is not reasonable. Chose the correct option and explain.Catalyst is described as any substance that increases the rate of a reaction without itself being consumed. Give a modern and recent application of a catalyst used in a chemical reaction. a ) the commercial or trade name of the catalyst b ) the properties of the catalyst (e.g., shape, size, colour, price). c ) the advantages and the disadvantages of the chosen catalyst. d )catalytic reaction (e.g., the reactant, product, reaction equation, phase, selectivity, promoter, catalyst support, operating temperature & pressure).
- Determine the activation energy from the following data. Temperature (oC) K (s-1) 189.7 2.52x10-5 251.2 3.16x10-3 Group of answer choices 7.74 kJ/mole 158 kJ/mole 0.574 kJ/mole 19.0 kJ/mole 0.653 kJ/moleThe overall reactions A --> D occurs via the following mechanism with the given reaction energies and barriers for each step Assume that a single step controls the rate of the reaction and that any steps preceding the rate-determining step can be considered quasi-equilibrium. What are the values for apparent activation barriers you would measure for the following. i) Step 1 is the rate-determining step. ii) Step 2 is the rate-determining step.(a) show a plot of Energy (vertical axis) versus Reaction Pathway for the reaction R to P which is an endothermic process (+50 kJ/mole) with an energy of activation (Eact) of 250 kJ/mole. (b) mark the location of the activated complex. (c) for the reverse reaction determine the energy of activation
- Consider the following mechanism in aqueous solutions. At 298 K the equilibrium constant for the first step is 5.75⋅10−35.75⋅10-3 k1k1 Step1: A + A −−→←−−←→ A + B k−1k-1 k2k2 Step2: B →→ P When [A] is large, the second step is slow and the first step is fast and at equilibrium. Under these conditions the following experimental data is gathered. The third column in the table is a check to make sure [A] is sufficiently large. The ratio should be greater than 100 when the absolute uncertainties are ±0.01±0.01 Note that as time goes on here, the assumption we are making will not work. Time…Use Cleland notation to describe Ordered and Random sequential reactions and a Ping Pong reaction.what are the Reasonable Mechanism
- From the data given below calculate the value of ΔS° for the reaction. T = 298.15 K. A(g) + 1B(g) ---> 1C(s) + D(l)ΔfH°/(kJ mol-1) -393.23 -44.71 -332.49 -284.45ΔfG°/(kJ mol-1) -392.07 -15.56 -197.3 -231.43Determine the activation energy from the following data. Temperature (oC) k (s-1) 288 0.0521 318 0.332b) what is the velocity of a reaction when [S] = 20 mM, where Vmax = 100 umol/mL*sec, and 4 Km = 2mM? can you show me how he got 98 umol / mL*sec, very close to Vmx, as [S]>>Km, at zero order of the kinetics. step by step please