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: The following diagrams represent a hypothetical reaction A , with A represented by red spheres and B represented by blue spheres. The sequence from left to right represents the system as time passes. Does the system reach equilibrium?

Solution: The following diagrams represent a hypothetical reaction A , with A represented by red spheres and B represented by blue spheres. The sequence from left to right represents the system as time passes.D

Problem

The following diagrams represent a hypothetical reaction A , with A represented by red spheres and B represented by blue spheres. The sequence from left to right represents the system as time passes.

The diagram is described from left to right: (1) 10 red spheres (2) 8 red; 2 blue spheres (3) 6 red; 4 blue spheres (4) 4 red 6 blue spheres (5) 4 red; six blue spheres.

Does the system reach equilibrium?

Solution

We are asked if the system reached equilibrium.

A reaction reaches equilibrium once the rate of the forward reaction equals the rate of the reverse reaction. 

Once at equilibrium there is no net change in the concentration of reactants or products. 

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