Combustion Analysis of an Unknown Compound Containing Only Carbon and Hydrogen

question 29

Multiple Choice

Combustion analysis of an unknown compound containing only carbon and hydrogen produced 0.2845 g of CO₂ and 0.1451 g of H₂O.What is the empirical formula of the compound?

• A)CH₂
• B)C₂H₅
• C)C₄H₁₀
• D)C₅H₂

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Definitions:

Parabronchi

Minute tubular air passages within the lungs of birds through which respiratory gas exchange occurs, part of their highly efficient respiratory system.

Birds

Warm-blooded vertebrates characterized by feathers, beaks without teeth, and laying hard-shelled eggs.

Countercurrent Exchange

A mechanism in which fluids flow in opposite directions, exchanging properties (such as heat or chemical constituents) to maximize transfer rates.

Gills

Respiratory organs in certain aquatic organisms, allowing them to extract oxygen from water.