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Silylene (SiH2) is a key intermediate in the thermal decomposition of silicone hydrides such as silane (SiH4) and disilane (SizHs). Moffat et. al. report AHO:(SiH2) = +274 kJ/mol. If AHº:(SiH«) = +34.3 kJ/mol and AH:(SizHs) = +80.3 kJ/mol, compute the standard enthalpies of the following reactions: a) SIH4(g) → SiH,(g) + H2(g) b) SizH,(g) → SiH,(g) + SIH2(g)

Silylene (SiH2) is a key intermediate in the thermal decomposition of silicone hydrides such as silane (SiH4) and disilane (SizHs). Moffat et. al. report AHO:(SiH2) = +274 kJ/mol. If AHº:(SiH«) = +34.3 kJ/mol and AH:(SizHs) = +80.3 kJ/mol, compute the standard enthalpies of the following reactions: a) SIH4(g) → SiH,(g) + H2(g) b) SizH,(g) → SiH,(g) + SIH2(g)

Chemistry by OpenStax (2015-05-04)
Chemistry by OpenStax (2015-05-04)
1st Edition
ISBN:9781938168390
Author:Klaus Theopold, Richard H Langley, Paul Flowers, William R. Robinson, Mark Blaser
Publisher:Klaus Theopold, Richard H Langley, Paul Flowers, William R. Robinson, Mark Blaser
Chapter5: Thermochemistry
Section: Chapter Questions
Problem 17E: Would the amount of heat absorbed by the dissolution in Example 5.6 appear greater, lesser, or...
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Silylene (SiH2) is a key intermediate in the thermal decomposition of silicone hydrides such as silane (SiH4) and disilane (SizHs). Moffat et. al. report AH:(SIH2) = +274 kJ/mol. If AHº:(SİH4) = +34.3 kJ/mol and AH(SI2H6) enthalpies of the following reactions: = +80.3 kJ/mol, compute the standard a) SIH4(g) → SiH,(g) + H2(g) b) SizH(g) → SiH, (g) + SIH2(g)
Transcribed Image Text:Silylene (SiH2) is a key intermediate in the thermal decomposition of silicone hydrides such as silane (SiH4) and disilane (SizHs). Moffat et. al. report AH:(SIH2) = +274 kJ/mol. If AHº:(SİH4) = +34.3 kJ/mol and AH(SI2H6) enthalpies of the following reactions: = +80.3 kJ/mol, compute the standard a) SIH4(g) → SiH,(g) + H2(g) b) SizH(g) → SiH, (g) + SIH2(g)
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