| 21. | The features are likely carved in water ice by liquid methane or ethane.
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| 22. | For this we need to consider the stoichiometric reaction of ethane and oxygen,
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| 23. | Disilane and ethane have similar structures, although disilane is much more reactive.
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| 24. | They include ethane, acetylene, methylacetylene, diacetylene.
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| 25. | When full, the lake would be composed of liquid methane and ethane.
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| 26. | One telescope revealed the existence of the hydrocarbon ethane on Pluto's surface.
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| 27. | He said ethane and methane gas were burning.
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| 28. | Methane and ethane have also been detected in the tail of the comet Hyakutake.
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| 29. | Computer simulations of the chemical kinetics of ethane combustion have included hundreds of reactions.
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| 30. | Beyond this asphyxiation hazard, ethane poses no known acute or chronic toxicological risk.
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