0102030405
0102030405
Babban Tsabtace Gas Neopentane (C5H12) Gases Fluorocarbon
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Tuntube muƘayyadaddun bayanai
| Tsafta (kashi na yanki) | 99.80% | GC-FID | Min.99.0% |
| n-Butane | 0.08% | GC-FID | |
| isobutene | GC-FID | rahoto | |
| cyclobutane | GC-FID | rahoto |
Bayanin Fasaha
| Tsarin sinadaran | C5H12 |
| Molar taro | 72.151g mol-1 |
| Bayyanar | Gas mara launi |
| wari | Mara wari |
| Yawan yawa | 3,255 kg/m3(gas, 9.5 ° C) 601.172 kg/m3 (ruwa, 9.5 °C) |
| Wurin narkewa | -16.5°C (2.3°F; 256.6 K) |
| Wurin tafasa | 9.5 °C (49.1 °F; 282.6 K) |
| Matsin tururi | 146 kPa (a 20 ° C)[3] |
| Dokokin Henry (kH) | 4.7 nml Pa-1kg-1 |
| Ƙarfin zafi (C) | 121.07-120.57 JK-1mol-1 |
| Std molar entropy (S⦵298) | 217 JK-1mol-1 |
| Std enthalpy na samuwar (ΔfH⦵298) | -168.5--167.3 kJ mol-1 |
| Std enthalpy na konewa (ΔcH⦵298) | -3.51506--3.51314 MJ mol-1 |
bayanin samfurin
Neopentane, wanda kuma ake kira 2,2-dimethylpropane, alkane ne mai rassa biyu tare da ƙwayoyin carbon guda biyar. Neopentane iskar gas ce mai ƙonewa a yanayin ɗaki da matsa lamba wanda zai iya tattarawa cikin ruwa mai saurin canzawa a rana mai sanyi, a cikin wankan ƙanƙara, ko lokacin da aka matsa zuwa matsi mai girma.
Neopentane shine mafi sauƙin alkane tare da carbon na quaternary, kuma yana da achiral tetrahedral symmetry. Yana daya daga cikin isomers na tsari guda uku tare da tsarin kwayoyin C5H12 (pentane), sauran biyun kuma sune n-pentane da isopentane. Daga cikin waɗannan ukun, shi kaɗai ne zai zama iskar gas a daidaitattun yanayi; sauran ruwa ne.
bayanin 2