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: Kc = 2.6 x 108 at 825 K for the reaction2H2(g) + S2(g) ⇌ 2H2S(g)The equilibrium concentration of H2 is 0.0020 M and S2 is 0.0010 M. What is the equilibrium concentration of H2S?10 M0.10 M0.0010 M1.0 M

Problem

Kc = 2.6 x 108 at 825 K for the reaction

2H2(g) + S2(g) ⇌ 2H2S(g)

The equilibrium concentration of H2 is 0.0020 M and S2 is 0.0010 M. What is the equilibrium concentration of H2S?

  1. 10 M
  2. 0.10 M
  3. 0.0010 M
  4. 1.0 M