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Answer to Question #18933 in Organic Chemistry for Deepa

Question #18933
4. The air that we breathe is approximately
20% oxygen. Think about the reaction you
just wrote for the complete combustion of acetylene. Which ratio in this investigation ( allowed the closest amount
of oxygen needed for complete combustion? Support your answer with calculations. Do
the observations you made support your answer? Explain.
Lab and Question on: https://docs.google.com/viewer?a=v&q=cache:k_vcTGezmrwJ:www.manningsscience.com/uploads/8/6/8/1/8681125/inv_2_combustion.doc+what+prducts+may+have+formed+during+the+combustion+of+acetylene+gas%3F&hl=en&gl=ca&pid=bl&srcid=ADGEEShc91K235fKP33GAdFyA4IM6pRADfyMvxV-X64jlJgMj9JXAy4Y7EN___bFvI26W_jEByhUc6YBB8bQDODVNbqQ5Lb39kw2mwlSTekJua47PHw9V3pd0_dHQLx6gCkQE5dB9pHH&sig=AHIEtbRDykO-9Sw1XzxowwYVAIai0gx56w
Expert's answer
2C2H2 + 5O2 = 4CO2 + 2H2O
1V(C2H2) = 2.5 V(O2)
1V(C2H2) = (2.5 V(O2) / 0.2)
1V(C2H2) = 12.5 V(air)

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