The Second-Order Decomposition of HI Has a Rate Constant of 1.80

question 124

Multiple Choice

The second-order decomposition of HI has a rate constant of 1.80 × 10^-3 M^-1s^-1.How much HI remains after 27.3 s if the initial concentration of HI is 4.78 M?

• A) 4.55 M
• B) 0.258 M
• C) 3.87 M
• D) 2.20 M
• E) 2.39 M

---

Definitions:

Statistical Probability

The likelihood of an event occurring based on a mathematical model, often expressed as a number between 0 and 1.

T-test

A statistical test used to compare the means of two groups to determine if they come from the same population.

Alpha

A predetermined threshold in hypothesis testing that defines the probability of making a Type I Error, usually set at 0.05, indicating a 5% risk of false positive.