
(a)
Interpretation:
The balanced chemical equation has to be written for the combustion of ethane
Concept introduction:
Balancing reaction:
Balanced reaction is a
Steps in balancing the information
- Step 1: Write the unbalanced equation
- Step 2: Find the coefficient to balance the equation.
- The coefficient should be reduced to the smallest whole number.
(b)
Interpretation:
The Lewis structure has to written for the combustion of ethane reaction.
Concept introduction:
Electron-dot (Lewis) symbol: The numbers of valence electron are shown using dot symbol around the atomic symbol.
The valance electrons are represented as a dot; the dots are distributed around the four sides of the
(b)
Interpretation:
Heat is produced has to be calculated when 1.0 mol of ethane undergoes complete combustion reaction.

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Chapter 5 Solutions
Chemistry In Context
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