Ch.13 - Chemical KineticsWorksheetSee 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: In a study of the gas phase decomposition of hydrogen iodide at 700 K.HI (g) → 1/2H2 (g) + 1/2I2 (g) the following data were obtained: (1) The observed half life for this reaction when the starting concentration is 1.46 M is ______ s and when the starting concentration is 0.730 M is _______ s. (2) The average Δ(1/[HI])/Δt from t = 0 s to t = 768 s is _______ M-1 s-1. The average Δ(1/[HI])/Δt from t = 768 s to t = 2.30 x 103 s is ________ M-1 s-1(3) Based on these data, the rate constant for this order reaction is ________ M-1 s-1.

Problem

In a study of the gas phase decomposition of hydrogen iodide at 700 K.

HI (g) → 1/2H2 (g) + 1/2I2 (g) the following data were obtained: 

(1) The observed half life for this reaction when the starting concentration is 1.46 M is ______ s and when the starting concentration is 0.730 M is _______ s. 

(2) The average Δ(1/[HI])/Δt from t = 0 s to t = 768 s is _______ M-1 s-1. The average Δ(1/[HI])/Δt from t = 768 s to t = 2.30 x 103 s is ________ M-1 s-1

(3) Based on these data, the rate constant for this order reaction is ________ M-1 s-1.

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