What Is the Unit of K in the Following Rate $\frac { 1 } { \mathrm {~mol} \mathrm {~L} ^ { - 1 } \mathrm {~s} ^ { 2 } }$

question 142

Multiple Choice

What is the unit of k in the following rate law?
Rate = k[X][Y]²

• A) \(\frac { 1 } { \mathrm {~mol} \mathrm {~L} ^ { - 1 } \mathrm {~s} ^ { 2 } }\)
• B) \(\frac { 1 } { \mathrm { M } ^ { 2 } \mathrm {~s} }\)
• C)M² s
• D) \(\frac { \mathrm { M } ^ { 2 } } { \mathrm {~s} }\)
• E) \(\frac { 1 } { \mathrm { M } ^ { 3 } \mathrm {~s} }\)

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Definitions:

Least Squares

A mathematical method used to determine the best-fitting line through a set of data points by minimizing the sum of the squares of the differences between observed and estimated values.

Standard Deviation

A measure of the dispersion or variability of a set of data points around the mean, indicating how spread out the data points are.

SPSS

Statistical Package for the Social Sciences, a software package used for data management and statistical analysis.

T Test

A statistical test used to compare the means of two groups and determine if they are significantly different from each other.