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Ch.15 - Chemical Equilibrium
All textbooksTro 4th EditionCh.15 - Chemical EquilibriumProblem 84
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Chapter 15, Problem 84

Is the question formulated correctly regarding the extraction of hydrogen from natural gas as per the given reaction CH4(g) + CO2(g) ⇌ 2 CO(g) + 2 H2(g) with Kp = 4.5 * 10^2 at 825K?

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1
Identify the chemical reaction given: \( \text{CH}_4(g) + \text{CO}_2(g) \rightleftharpoons 2 \text{CO}(g) + 2 \text{H}_2(g) \).
Understand that \( K_p \) is the equilibrium constant for the reaction in terms of partial pressures, given as \( 4.5 \times 10^2 \) at 825 K.
Check if the question is asking about the feasibility of extracting hydrogen from natural gas using this reaction, which involves understanding the equilibrium position.
Consider the reaction conditions (temperature, pressure) and how they might affect the equilibrium position and the yield of \( \text{H}_2 \).
Ensure that the question is clear about what aspect of the extraction process is being evaluated, such as the efficiency, yield, or conditions required for optimal hydrogen production.
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Textbook Question

Consider the reaction: H2(g) + I2(g) ⇌ 2 HI(g) A reaction mixture at equilibrium at 175 K contains PH2 = 0.958 atm, PI2 = 0.877 atm, and PHI = 0.020 atm. A second reaction mixture, also at 175 K, contains PH2 = PI2 = 0.621 atm and PHI = 0.101 atm. Is the second reaction at equilibrium? If not, what will be the partial pressure of HI when the reaction reaches equilibrium at 175 K?

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Open Question
Is the question asking for something specific about the reaction: 2 H2S(g) + SO2(g) ⇌ 3 S(s) + 2 H2O(g)?
Open Question
Is Ammonia synthesized according to the reaction N2(g) + 3H2(g) ⇌ 2NH3(g) with Kp = 5.3 * 10^-5 at 725K?
Textbook Question

A reaction vessel at 27 °C contains a mixture of SO2 (P = 3.00 atm) and O2 (P = 1.00 atm). When a catalyst is added, this reaction takes place: 2 SO2( g) + O2( g) ⇌ 2 SO3( g). At equilibrium, the total pressure is 3.75 atm. Find the value of Kc.

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Textbook Question

At 70 K, CCl4 decomposes to carbon and chlorine. The Kp for the decomposition is 0.76. Find the starting pressure of CCl4 at this temperature that will produce a total pressure of 1.0 atm at equilibrium.

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Textbook Question

The equilibrium constant for the reaction SO2(g) + NO2(g) ⇌ SO3(g) + NO(g) is Kc = 3.0. Find the amount of NO2 that must be added to 2.4 mol of SO2 in order to form 1.2 mol of SO3 at equilibrium.

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