Ch.14 - Chemical EquilibriumWorksheetSee all chapters
All Chapters
Ch.1 - Intro to General Chemistry
Ch.2 - Atoms & Elements
Ch.3 - Chemical Reactions
BONUS: Lab Techniques and Procedures
BONUS: Mathematical Operations and Functions
Ch.4 - Chemical Quantities & Aqueous Reactions
Ch.5 - Gases
Ch.6 - Thermochemistry
Ch.7 - Quantum Mechanics
Ch.8 - Periodic Properties of the Elements
Ch.9 - Bonding & Molecular Structure
Ch.10 - Molecular Shapes & Valence Bond Theory
Ch.11 - Liquids, Solids & Intermolecular Forces
Ch.12 - Solutions
Ch.13 - Chemical Kinetics
Ch.14 - Chemical Equilibrium
Ch.15 - Acid and Base Equilibrium
Ch.16 - Aqueous Equilibrium
Ch. 17 - Chemical Thermodynamics
Ch.18 - Electrochemistry
Ch.19 - Nuclear Chemistry
Ch.20 - Organic Chemistry
Ch.22 - Chemistry of the Nonmetals
Ch.23 - Transition Metals and Coordination Compounds

Solution: What is the expression for Kp for the reaction below? 4CuO (s) + CH4 (g) ⇌ CO2 (g) + 4Cu (s) + 2H2O (g). a. Kp = [CuO]4[CH4][CO2][Cu]4[H2O]2b. Kp = [CH4][CO2][H2O]2c. Kp = [CO2][Cu]4[H2O]2[CuO]4[CH4]d. Kp = [CO2][H2O]2[CH4] e. Kp = [CO2][H2O][CH4] 

Problem

What is the expression for Kp for the reaction below? 4CuO (s) + CH4 (g) ⇌ CO2 (g) + 4Cu (s) + 2H2O (g)

. a. Kp = [CuO]4[CH4][CO2][Cu]4[H2O]2b. Kp = [CH4][CO2][H2O]2c. Kp = [CO2][Cu]4[H2O]2[CuO]4[CH4]d. Kp = [CO2][H2O]2[CH4] e. Kp = [CO2][H2O][CH4] 


Solution

Setup the Kp expression for the reaction and determine which is the correct one for the reaction:

4CuO (s) + CH4 (g) ⇌ CO2 (g) + 4Cu (s) + 2H2O (g)

Kp is the equilibrium expression of the concentrations in the reaction. The general form of an equilibrium expression is:

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