Calculate the Standard Enthalpy Change for the Reaction
4A $\rarr$

question 56

Multiple Choice

Calculate the standard enthalpy change for the reaction
4A + 2B $\rarr$ 2AB + A₂
Given:

• A)- 95.0 kJ/mol
• B)- 60.0 kJ/mol
• C)- 15.0 kJ/mol
• D)10.0 kJ/mol
• E)45.0 kJ/mol

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Definitions:

Class Width

The difference between the upper and lower boundaries of any class (or category) in a frequency distribution.

Frequencies

A rephrased definition: The rate or number of times a particular data value or event occurs within a specific data set or sample.

Data Set

A collection of related data points or information, organized in a structured manner, used for analysis or computation.

Classes

Categories or groups into which data or objects are organized based on shared characteristics or properties.