The Enthalpy Change for the Following Reaction Is -483

question 153

Multiple Choice

The enthalpy change for the following reaction is -483.6 kJ: 2H₂ (g) + O₂ (g) → 2H₂O (g)
Therefore,the enthalpy change for the following reaction is ________ kJ.
4H₂ (g) + 2O₂ (g) → 4H₂O (g)

• A)-483.6
• B)-967.2
• C)2.34 × 10⁵
• D)483.6
• E)967.2

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Definitions:

Standard Deviation

A statistic that captures the level of variability or fluctuation among values in a series, revealing how much the numbers depart from the central value.

Mean

The mean of a number set, determined by dividing the total of all numbers by the quantity of numbers present.

Standard Deviation

A way to assess how extensively data values vary or are scattered.

Standard Deviation

A construct for gauging the extent of variability or dissimilarity in a collection of data points.