17.32 For a problem involving the catalyzed reaction of methaneand steam, the following reaction table was prepared:Pressure(atm)CH,(g) + 2H,0(g)= Co,(g) + 4H2(g)Initial0.300.40Change-2x+x+4x-xEquilibrium0.30 – x0.40 – 2x4х-Explain the entries in the “Change" and "Equilibrium" rows.

Consider the given reaction table for the catalyzed reaction of methane as; From the reaction,…

Answered: 17.32 For a problem involving the…

Chemistry

10th Edition

ISBN:9781305957404

Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Chapter1: Chemical Foundations

Section: Chapter Questions

Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...

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Pentene (C5H10) reacts with ethanoic acid to form pentyl ethanoate, the equilibrium CH3CO2H + C5H10 ➡ CH3CO2C5H11 being established when a solution of 0.020 moles of pentene and 0.010 moles of acetic acid in 600cm3 of an inert solvent was allowed to reach equilibrium at 150C, 0.0090 moles of pentyl ethanoate was formed. Write down an expression for the equilibrium constant Kc for the above reaction.
In the contact process: DH = -197 kJ mol-1 Predict the position of equilibrium when: both the temperature and pressure are decreased
In the gas phase reaction 2 A(g) + B(g) ⇋ 3 C (g) + 2 D (g), it was found that when 1.00 mol A, 2.00 mol B and 1.00 mol D were mixed and allowed to come to equilibrium at 25oC, the resulting mixture contained 0.9 mol C at a total pressure of 1.00 bar. Calculate the mole fractions of each species, kx, kp and ∆G0
In the gas-phase reaction A + B ⇋ C + 2 D, it was found that, when 2.00 mol A, 1.00 mol B, and 3.00 mol D were mixed and allowed to come to equilibrium at 25 °C, the resulting mixture contained 0.79 mol C at a total pressure of 1.00 bar. Calculate (i) the mole fractions of each species at equilibrium, (ii) K, and (iii) ΔrG⦵.
Pentene (C5H10) reacts with ethanoic acid to form pentyl ethanoate, the equilibrium CH3CO2H + C5H10 ➡ CH3CO2C5H11 being established when a solution of 0.020 moles of pentene and 0.010 moles of acetic acid in 600cm3 of an inert solvent was allowed to reach equilibrium at 150C, 0.0090 moles of pentyl ethanoate was formed. How many moles of pentene and ethanoic acid were present in the solution after equilibrium had been attained?
Find ∆H as a function of T for the reaction: CO2 (g) + C (s, graphite) = CO Given that ∆H 293= 41,400 cal Cp CO2= 5.166+15.77×10^-3 T - 95.78×10^-3 T² + 2.260×10^-9 T³ Cp CO= 6.6 + 2×10^-3 T Cp C (s, graphite)= 2.673 + 2.617×10^-3 T - 1.169×10^-5 T^-2
In the gas phase reaction 2 A(g) + B(g) = 3 C (g) + 2 D (g) it was found that when 1.00 mol A, 2.00 mol B and 1.00 mol D were mixed and allowed to come to equilibrium at 25oC, the resulting mixture contained 0.9 mol C at a total pressure of 1.00 bar. Calculate (a) the mole fractions of each species, (b) KX, (c) KP and (d) △Go . Answer: [0.087 (A); 0.370 (B); 0.196 (C); 0.348 (D); 0.326; 0.325; 2.76 kJ]
The mitochondrial enzyme fumarase is involved in the Krebs Cycle, and catalyzes the reversible hydration of fumarate to (S)-malate. What is the ΔGo′ (in kJ/mol) for the forward reaction catalyzed by mitochondrial fumarase at an average adult body temperature of 37 oC? Equilibrium concentrations of the reactants and products are given below for each of the components. You must show your calculations.
A chemist at a pharmaceutical company is measuring equilibriumconstants for reactions in which drug candidatemolecules bind to a protein involved in cancer. The drugmolecules bind the protein in a 1:1 ratio to form a drug–proteincomplex. The protein concentration in aqueous solutionat 25 °C is 1.50 x 10-6 M. Drug A is introduced into the proteinsolution at an initial concentration of 2.00 x 10-6 M.Drug B is introduced into a separate, identical protein solutionat an initial concentration of 2.00x 10-6 M. At equilibrium,the drug A–protein solution has an A–protein complexconcentration of 1.00 x 10-6 M, and the drug B solutionhas a B–protein complex concentration of 1.40 x 10-6 M.Calculate the Kc value for the A–protein binding reactionand for the B–protein binding reaction. Assuming that thedrug that binds more strongly will be more effective, whichdrug is the better choice for further research?
The following questions refer to the following reaction at constant 25°C and 1 atm.2Fe(s) + (3/2)O2(g) + 3H2O(l)  2Fe(OH)3(s) H = –789 kJ/molSubstance S° (J/mol K)Fe(OH)3(s) 107Fe(s) 27O2(g) 205H2O(l) 70a. Determine Ssurr for the reaction (in kJ/mol K)b. Determine Suniv for the reaction (in kJ/mol K)2.65c. What is the G for this reaction?d. Calculate the equilibrium constant
Determine the equilibrium constant (Kp) at 25.0°C (298.15K) for the reaction CO(g) + H2O(g) <--> CO2(g) + H2(g). ΔG° = -28.5 kJ/mol. (3 sig figs)
In process contact, the material produces phosphoric acid. OneThe reactions in the process are the conversion of the SO2 gas to SO3 gas according to the following reaction:2SO2 (g) + O2 (g) ⇄ 2SO3 (g) ΔH ° = -192 kJ · mol^-1As part of the study of this process, a tank was filled with a mixture of the three gases in quantities that create equilibriumWeight, and add catalyst. The initial temperature in the tank was 450 ° C. The tank has a fixed and insulated volumeFrom the environment. Below is a graph depicting the changes in the concentration of reaction components over time. 1. What response components are represented by the letters X and Y? 2. What change occurred in the response in the tenth minute? 3. Explain the changes that take place in the system between the 10th minute and the 20th minute. 4. Explain the changes that will occur in the system under the influence of heating. 5. What combination of pressure conditions (high / low) and temp.( High / low) will lead to the…

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