Given the Following Two Measurements of the Equilibrium Constant for a Reaction

question 6

Multiple Choice

Given the following two measurements of the equilibrium constant for a reaction, calculate $\Delta$ H $\degree$ for the reaction.
T, °C K
15 2.6 * 10³
25 9.3 * 10⁴

• A) 255 kJ/mol
• B) -271 kJ/mol
• C) 3,250 kJ/mol
• D) -3,250 kJ/mol
• E) +271 kJ/mol

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Definitions:

Slope

In mathematics, the rate of change or gradient of a line, indicating its steepness and direction.

Population Regression Line

The line that best describes the relationship between an independent variable and a dependent variable for the entire population.

Population Coefficient

A parameter that quantifies a certain characteristic or attribute of a population.

Correlation

A statistical measurement of the relationship between two variables, indicating how one may predict the other.