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Molar mass: 72.151 g·mol −1 Appearance Colourless liquid Odor: ... Pentane is an organic compound with the formula C 5 H 12 —that is, an alkane with five carbon ...
Standard molar entropy, S o liquid: 263.47 J/(mol K) Enthalpy of combustion, Δ c H o liquid –3509 kJ/mol Heat capacity, c p: 167.19 J/(mol K) at 25 °C Gas properties Std enthalpy change of formation, Δ f H o gas –146.8 kJ/mol Standard molar entropy, S o gas: 347.82 J/(mol K) Enthalpy of combustion, Δ c H o gas –3535 kJ/mol Heat ...
This page was last edited on 19 October 2023, at 00:14 (UTC).; Text is available under the Creative Commons Attribution-ShareAlike 4.0 License; additional terms may apply.
It is one of three structural isomers with the molecular formula C 5 H 12, the others being pentane (n-pentane) and neopentane (2,2-dimethylpropane). Isopentane is commonly used in conjunction with liquid nitrogen to achieve a liquid bath temperature of −160 °C.
Pentyl is a five-carbon alkyl group or substituent with chemical formula-C 5 H 11.It is the substituent form of the alkane pentane.. In older literature, the common non-systematic name amyl was often used for the pentyl group.
The molar mass of atoms of an element is given by the relative atomic mass of the element multiplied by the molar mass constant, M u ≈ 1.000 000 × 10 −3 kg/mol ≈ 1 g/mol. For normal samples from Earth with typical isotope composition, the atomic weight can be approximated by the standard atomic weight [ 2 ] or the conventional atomic weight.
2-Methylpentane, trivially known as isohexane, is a branched-chain alkane with the molecular formula C 6 H 14.It is a structural isomer of hexane composed of a methyl group bonded to the second carbon atom in a pentane chain.
Molar mass: 70.135 g·mol −1 Density: 0.64 g/cm 3 (1-pentene) [1] Melting point: −165.2 °C (−265.4 °F; 108.0 K) (1-pentene) [1] Boiling point: