Using the Table of Bond Dissociation Energies, the ΔH for the Following

question 39

Multiple Choice

Using the table of bond dissociation energies, the ΔH for the following reaction is __________ kJ. 2HCl (g) + F₂ (g) → 2HF (g) + Cl₂ (g)

• A)-359
• B)-223
• C)359
• D)223
• E)208

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Definitions:

Research Hypothesis

Statement regarding an expected or predicted relationship between variables.

Ordinal Variables

Variables that represent categories with a natural order or ranking, but where the distances between categories are not necessarily equal.

Spearman Rank-Order

A nonparametric measure of rank correlation that assesses how well the relationship between two variables can be described using a monotonic function.

Pearson Correlation

A measure of the linear correlation between two variables X and Y, giving a value between -1 and 1 which indicates the extent of their linear relationship.