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Question

Chapter 05- Mozilla Firefox stry tProblemiD 100030573 ical Equations 4 of 20> When 14 L of ethane (C2He) and 14 L of axygen (02) bum to completion 10 L of ethane remains, which means that4L of echane and 14 L of axygen are bumed menting n and ed in Part D You just determined that when 14 L of ethane (C Hs) and 14 L of oxygen (On) combined and burned to ole- od for thod the completon, there is 10 Laf excess ethan·lnthe reacton. 4 Lofethane and 14 L of oxygen burn to What volume of carbon diaxide (COa) in liters is formed when 4 L of ethane and 14 L of oxygen bum to Express your answwer with the appropriate units View Available Hints) roducts |wume of carbon dioode .[ hallie 1 Units volumes e of xide Submit mbers Provide Feedback

Explanation / Answer

Balanced equation:

2C2H6 (g) + 7O2 (g)-------> 4CO2 (g) + 6H2O (g)
According to the balanced equation above, 2 moles of C2H6 react with 7 moles of O2 to produce 4 moles of CO2 and 6 moles of H2O. Since all reactants and products are gasses, the volume ratios equal the mole ratios.

So, 2 liters of C2H6 react with 7 liters of O2 to produce 4 liters of CO2 and 6 liters of H2O
The volume of carbon dioxide gas is produced from the complete combustion of 4 L of ethane and 14 L of oxygen is
Mole ratio C2H6: CO2 = 2 : 4
Set up proportion:
2 / 4 = 4 / x
x = 8 Liters of CO2.

So 8 L of CO2 is formed.

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