Calculate ΔG at 25°C for the following reaction: CO(g) + 2H2(g) → CH3OH(l) ΔG°rxn = -2.9x104 J/mol when the carbon monoxide has an initial pressure of 5.0 atm and hydrogen gas of 3.0 atm.
Reaction A(aq) + B(aq) C(aq) has the standard free-energy change of -3.51 kJ/mol at 25 C. What are the concentrations of A, B and C at equilibrium if their their initial concentrations are 0.30 M, 0.40 M, and 0 M?
A first order reaction has t1/2 = 13.0 s. How long, in s, does it take for the reactant concentration to decrease to 1.30 % of its initial value ? A. 26 B. 66 C. 39 D. 81 E. 53
Glucokinase is a liver enzyme with a kcat of 33/second and a Km for Glucose of 7 mM. What is the initial reaction rate (in mM product / second) of 0.1 mM glucokinase in the presence of 50 mM glucose? Please show your work clearly.
The isomerization of methylisonitrile to acetonitrile CH3NC(g) → CH3CN(g) is first order in CH3NC. The half-life of the reaction is 8.42 × 10-2 at 575 K. The rate constant when the initial [CH3NC] is 0.030 mol L-1 is ________ s-1.
The experimental data below were obtained. Experiment # [A] (M) [B] (M) Initial Rate (M/s) 1 1.80 3.54 4.52 2 1.80 7.08 4.52 3 5.40 3.54 40.68 What is the rate law for this reaction?
1. a. Use the bond energy data provided to calculate AH.. for the following reaction. H-H + Cl-Cl → 2 H-CI Bond Bond Energy H-H 436 kJ/mol Cl-CI 243 kJ/mol H-CI 431 kJ/mol b. Based on your answer to part a, is the reaction an exothermic reaction or an endothermic reaction? Provide a brief explanation to support you choice of...
4. A second reaction mixture (Mixture II) was made up in the following way 20.0 mL. 4.0 M acetone + 10.0 mL 1.0 M HCI + 10.0 mL 0.0050 M 12 + 10.0 mL H20 What are the new initial concentrations of acetone, H' ion, and I2 in this second reaction mixture? Show your work! a. [acetone] M; [H'] M;...
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The decomposition of dinitrogen tetroxide to nitrogen dioxide at 400°C follows first-order kinetics with a rate constant of 3.84 X10-3-1. Starting with pure N204, how many minutes will it take for 38.0% to decompose? Suppose the surface-catalyzed hydrogenation reaction of an unsaturated hydrocarbon has a rate constant of 0.374 M/min. The reaction is observed to follow zero-order...
4 (6 pts) For each of the following compounds, indicate which statement (A-E) best describes the reactivity of the benzene ring in electrophilic aromatic substitution reactions (e.g., nitration). A. The ortbo and para positions are activated and the meta position is deactivated. C. The ortho and para positions are deactivated and the meta position is activated. A. All positions are...