Based on the Following Data, What Is the F-F Bond

question 26

Multiple Choice

Based on the following data, what is the F-F bond energy?
${ }^{\frac{1}{2}} \mathrm{H}_{2}(\mathrm{~g}) +{ }^{\frac{1}{2}} \mathrm{~F}_{2}(\mathrm{~g}) \rightarrow \mathrm{HF}(\mathrm{g}) ; \Delta_{r} H=-272.5 \mathrm{~kJ} / \mathrm{mol}-\mathrm{rxn}$

$\begin{array}{ll}Bond &Bond~Energy(kJ/mol) \\\text { H-H } & 435 \\\text { H-F } & 565\end{array}$

• A) 500 kJ/mol
• B) 150 kJ/mol
• C) -150 kJ/mol
• D) -695 kJ/mol
• E) 695 kJ/mol

Apply basic algebraic operations to simplify expressions.

Understand and apply the concept of like terms in algebraic expressions.

Manipulate and simplify polynomial expressions.

Solve algebraic equations for specific variables.

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