Given the dissociation of methane to graphite (C) and hydrogen gas. For the methane at 298K,Given the following data:kJ= -74.85-mol= -80.67mol · KA,GE.graphite= A,Gån= 0%3DSolve the following:a. Calculate the equilibrium constant (K) of the dissociation of methane at 298K with theappropriate units.b. Assuming that enthalpy is independent of temperature, Calculate the equilibrium constant (K) ofmethane dissociation at 1000 K.C.Calculate the ratio between the amounts of methane and hydrogen gas at 298 K and 0.2 bar.

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Answered: Given the dissociation of methane to…

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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Consider the following system at equilibrium where K. = 154 and AH° = -16.1 kJ/mol at 298 K. 2 NO (g) + Br2 (g) =2 NOBR (g) The production of NOB (g) is favored by: Indicate True (T) or False (F) for each of the following: v 1. increasing the temperature. v 2. increasing the pressure (by changing the volume). v 3. increasing the volume. v 4. removing NOB.. v 5. removing Br2 .
Given the balanced reaction: CS₂(g)+3Cl2(g) → CCl4(1)+S₂Cl₂(g) and the following AGf values: 1. Calculate AG° for the reaction. 2. Calculate K for the reaction at 298 K. You must show all of your work including units for credit. CS₂(g) Cl₂(g) CC14(1) S2Cl2(g) AGF (kJ/mole) 66.8 O -66.4 -29.25
For the reaction NHẠNO3(aq)N20(g) + 2H2O(1) AH° = -149.6 kJ and AS° = 99.9 J/K The equilibrium constant for this reaction at 257.0 K is Assume that AH® and AS° are independent of temperature.
Consider the following system at equilibrium where Kc = 6.30 and AH° = 111 kJ/mol at 723 K. 2 NH3 (g) = N₂ (g) + 3 H₂ (g) The production of N₂ (g) is favored by: Indicate True (T) or False (F) for each of the following: ✓1. decreasing the temperature. ✓ 2. decreasing the pressure (by changing the volume). ✓3. increasing the volume. 4. adding NH3. 5. adding H₂.
Consider the following reaction, where AG =-625 J at 300 C, 2 XOG) + Oz(g) 2 X02(g) a) Determine K, at 300 °C. b) Calculate AG° at 300 °C when P(XO) = 8.0x10-4 atm, P(O2) = 0.072 atm, and P(XO2) = 9.0 atm. %3D c)Is the reaction spontaneous when carried out under the conditions in (b)? How do you know? (no points for guessing) d) At 0.00 °C, AG" = 17000 J/mol. Calculate AH and AS.
8. Gaseous nitrosyl bromide, NOBr, is formed by the reaction 2NO(g) + Br,(g) 2 2NOBr(g) At 25°C, the equilibrium constant for this reaction is K, = 116 atm-1. The reaction as written is exothermic, or heat emitting. When the following amounts of the three gases are introduced into a 1-liter flask, is the reaction spontaneous in the forward or reverse direction, or is it at equilibrium? a) 0.045 atm NOBr, 0.01 atm NO, and 0.10 atm Br, at 25°C b) 0.045 atm NOBr, 0.10 atm NO, and 0.01 atm Br, at 25°C c) 0.108 atm NOBr, 0.10 atm NO, and 0.01 atm Br, at 0°C
8:41 1 4 7 +/- What is K for a reaction if AGº =86.0 kJ/mol at 25.0 °C? (R = 8.314 J/mol K) 2 5 8 Question 3 of 17 . 3 60 9 O Submit Tap here or pull up for additional resources XU x 100
1. Consider the reaction: A 2 B, where Keg 1.33 x 10-1. (a) What is the AGº' for this reaction? (b) If the reaction above is initially at standard-state conditions, what are the concentrations of A and B once equilibrium is reached?
ju sited Free Online Survey... Search Home - Academia... Submit Answer Retry Entire Group Modules [References] Use the References to access important values if needed for this question. Consider the following reaction where Kp = 0.160 at 298 K. 2NOBr(g) 2NO(g) + Br₂(g) If the three gases are mixed in a rigid container at 298 K so that the partial pressure of each gas is initially one atm, what will happen? Indicate True (T) or False (F) for each of the following: 1. A reaction will occur in which NOBr(g) is produced. 2. K, will increase. 3. A reaction will occur in which NO is produced. 4. Qp is greater than Kp. 5. The reaction is at equilibrium. No further reaction will occur. hp 8 Create Your Rubric -... 8 more group attempts remaining || K The Utility Experts ... E P insert » C 4x 12/ bac
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For a certain reaction, AGxn = +3.5 kJ/mol at 298 K. %3! a. If this reaction is at equilibrium, which would you expect to have higher concentra- tions: reactants or products?
The vapor pressure of water at 25oC is 0.0313 atm. Calculate the value of Kc at 25oC for the following reaction. H2O(l) ⇆ H2O(g) Your answer should have 3 sig figs.

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