Questions: Predict the products of the following reaction. If no reaction will occur, use the NO REACTION button. Be sure your chemical equation is balanced! (CH2OH)2CHOH(l) + O2(g) →

Predict the products of the following reaction. If no reaction will occur, use the NO REACTION button. Be sure your chemical equation is balanced! (CH2OH)2CHOH(l) + O2(g) →
Transcript text: Predict the products of the following reaction. If no reaction will occur, use the NO REACTION button. Be sure your chemical equation is balanced! \[ \left(\mathrm{CH}_{2} \mathrm{OH}\right)_{2} \mathrm{CHOH}(l)+\mathrm{O}_{2}(g) \rightarrow \llbracket \]
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Solution

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Solution Steps

Step 1: Identify the Type of Reaction

The given reaction involves a compound with hydroxyl groups, \((\mathrm{CH}_{2} \mathrm{OH})_{2} \mathrm{CHOH}(l)\), reacting with oxygen gas, \(\mathrm{O}_{2}(g)\). This is indicative of a combustion reaction, where an organic compound reacts with oxygen to produce carbon dioxide and water.

Step 2: Write the General Form of the Combustion Reaction

In a combustion reaction involving an alcohol, the general products are carbon dioxide (\(\mathrm{CO}_{2}\)) and water (\(\mathrm{H}_{2}\mathrm{O}\)).

Step 3: Balance the Chemical Equation

The chemical formula \((\mathrm{CH}_{2} \mathrm{OH})_{2} \mathrm{CHOH}\) represents glycerol, \(\mathrm{C}_{3}\mathrm{H}_{8}\mathrm{O}_{3}\). The balanced equation for the combustion of glycerol is:

\[ \mathrm{C}_{3}\mathrm{H}_{8}\mathrm{O}_{3}(l) + \frac{7}{2} \mathrm{O}_{2}(g) \rightarrow 3 \mathrm{CO}_{2}(g) + 4 \mathrm{H}_{2}\mathrm{O}(g) \]

To avoid fractional coefficients, multiply the entire equation by 2:

\[ 2 \mathrm{C}_{3}\mathrm{H}_{8}\mathrm{O}_{3}(l) + 7 \mathrm{O}_{2}(g) \rightarrow 6 \mathrm{CO}_{2}(g) + 8 \mathrm{H}_{2}\mathrm{O}(g) \]

Final Answer

The balanced chemical equation for the combustion of glycerol is:

\[ \boxed{2 \mathrm{C}_{3}\mathrm{H}_{8}\mathrm{O}_{3}(l) + 7 \mathrm{O}_{2}(g) \rightarrow 6 \mathrm{CO}_{2}(g) + 8 \mathrm{H}_{2}\mathrm{O}(g)} \]

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