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Whelan Whelan
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8 years ago
Hydrogen iodide decomposes at 800 K via a second-order process to produce hydrogen and iodine according to the following chemical equation.

2HI(g) → H2(g) + I2(g)

At 800 K it takes 233 seconds for the initial concentration of HI to decrease from 5.75 × 10-2 M to 2.50 × 10-2 M. What is the rate constant for the reaction at this temperature?
A) 1.90 × 10-4 M-1s-1
B) 9.70 × 10-2 M-1s-1
C) 10.3 M-1s-1
D) 5.27 × 103 M-1s-1
Textbook 
Introductory Chemistry Essentials

Introductory Chemistry Essentials


Edition: 5th
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hbutler2hbutler2
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poggres!
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