Exhibit 18-5 The Following Question(s) Pertain to the Scenario Below

question 21

Multiple Choice

Exhibit 18-5
The following question(s) pertain to the scenario below.
A student performed a kinetic study of the reaction:
2NO(g) + O₂(g) → 2NO₂(g)
The student prepared the four plots seen below in lab, but forgot to label the axes. A classmate later told him that the reaction was second order in NO and first order in O₂. Not wanting to get a bad grade in the class, the student sets out to label the axes on the graphs. Refer to Exhibit 18-5. Which graph corresponds to plotting 1/[NO] vs. time?

• A) top left
• B) top right
• C) bottom left
• D) bottom right
• E) none of the above

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Definitions:

Alternative Hypothesis

In hypothesis testing, it is the statement that contradicts the null hypothesis, asserting that there is a significant difference or effect.

Population Locations

Refers to the geographical or spatial distribution of members within a defined population.

Kruskal-Wallis

A non-parametric test used to compare three or more independent samples to determine if they come from the same distribution.

Chi-Squared Distribution

A statistical distribution that is used to describe the distribution of a sum of the squares of k independent standard normal random variables.