4.94 Write the balanced chemical equation for the combustion of ethane, C2H6, and answer these questions. (a) How 
many molecules of oxygen would combine with 14 molecules of ethane in this reaction? (b) If 13.0 mol of oxygen 
is consumed in a reaction, how many moles of water are 
produced? (c) How many grams of ethane are burned if 
4.20 × 1022 molecules of CO2 are produced?

Give a balanced chemical equation for when liquid octane (C8H18)is combusted in oxygen gas to yield carbon dioxide gas and watervapor?
Express in words (write a sentence) which describes this reactionusing the stoichiometric coefficients.
Express in words (write a sentence) which describes this reactionusing the stoichiometric coefficients and reacting 100 molecules ofoctane.
Express in words (write a sentence) which describes this reactionusing the stoichiometric coefficients and reacting 1 mole of octanemolecules.
Give the balanced chemical equation for the combustion of liquidethanol (CH3CH2OH) in oxygen gas to produce carbon dioxide andwater vapor.
How many molecules of carbon dioxide are produced when 1 moleculeof ethanol is combusted?
How many moles of carbon dioxide molecules are produced when 1 moleof ethanol is combusted?

How many moles of oxygen are consumed when 1.356 moles of water areproduced?
How many moles of oxygen are consumed when 1.356 moles of carbondioxide are produced?
How many moles of oxygen are consumed when 1.356 moles of ethanolare also consumed?

The combustion of ethane, C₂H₆, produce carbon dioxide and steam:

How many moles of CO₂ are produced when 5.20 mol of ethane are burned in an excess of oxygen?

The combustion of ethane (C₂H₆) produces carbon dioxide and steam:

How many moles of CO₂ are produced when 5.20 mol of ethane are burned in an excess of oxygen?