Estimate the Enthalpy Change for the Reaction 2CO + O₂ $\rarr$

question 29

Multiple Choice

Estimate the enthalpy change for the reaction 2CO + O₂ $\rarr$ 2CO₂ given the following bond energies.
BE(C $\equiv$ O) = 1074 kJ/mol
BE(O=O) = 499 kJ/mol
BE(C=O) = 802 kJ/mol

• A) +2380 kJ/mol
• B) +1949 kJ/mol
• C) +744 kJ/mol
• D) -561 kJ/mol
• E) -744 kJ/mol

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Definitions:

μ

It signifies the mean or average of a population in statistics, representing the central location of a data set.

σ

The symbol representing the standard deviation of a population, indicating the dispersion of data points from the mean in a population.

Normally Distributed

Characterizes a probability distribution with symmetry around its mean, illustrating that occurrences close to the mean are more common than those distant from the mean.

Standard Deviation

A measure of the dispersion or variability of a set of values, indicating how much the values deviate from the mean.