Specific heat of Ethane Gas - C 2 H 6 - at temperatures ranging 250 - 900 K: x 10 kJ Enter your answer in scientific notation. How many mole of ethane is present in the sample? If 10.5 g of hydrogen, H2, were mixed with 6.51 g of acetylene, C2H2, and allowed to react according to the following equation, what is the theoretical yield of ethane, C2H6, produced? Natural gas from different gas fields varies in ethane content from less than 1% to more than 6% by volume. If 10.5 g of hydrogen,H2, were mixed with 6.51 g of acetylene, C2H2, and allowed to react according to the following equation, what is the theoretical yield of ethane, C2H6, produced? Please read AddThis Privacy for more information. [19][20], As far back as 1890–1891, chemists suggested that ethane molecules preferred the staggered conformation with the two ends of the molecule askew from each other. What is the change in internal energy (in J) of a system that absorbs 0.677 kJ of heat from its surroundings and has 0.438 kcal of work done on it? The complete combustion of ethane releases 1559.7 kJ/mol, or 51.9 kJ/g, of heat, and produces carbon dioxide and water according to the chemical equation. Three gases (8.00 g of methane, CH4, 18.0 g of ethane, C2H6, and an unknown amount of propane, C3H8) were added to the same 10.0-L container. Some additional precautions are necessary where ethane is stored as a cryogenic liquid. In this form, the positions of the hydrogen atoms are not fixed; the molecules may rotate freely around the long axis. Acetylene, C2H2, can be converted to ethane, C2H6, by a process known as hydrogenation. Chemistry. check_circle Expert Answer. The heat of combustion for ethane, C2H6, is 47.8 kJ/g. In December 2007 the Cassini probe found at least one lake at Titan's south pole, now called Ontario Lacus because of the lake's similar area to Lake Ontario on Earth (approximately 20,000 km2). kJ If 10.5 g of hydrogen, H2, were mixed with 6.51 g of acetylene, C2H2, and allowed to react according to the following equation, what is the theoretical yield of ethane,C2H6 produced. Convert this value to mmol/L, A: Given information:Concentration of sodium (Na+) serum = 138 mEq/L. This is a question for McGraw Hill's Connect website where we have to do our homework for class on. Computer simulations of the chemical kinetics of ethane combustion have included hundreds of reactions. Still have questions? Its true molecular is. ; ‘Feasibility of reconstructing paleoatmospheric records of selected alkanes, methyl halides, and sulfur gases from Greenland ice cores’; Hodnebrog, Øivind; Dalsøren, Stig B. and Myrhe, Gunnar; ‘Lifetimes, direct and indirect radiative forcing, and globalwarming potentials of ethane (C, "On the products of the action of potassium on cyanide of ethyl", "On the isolation of the organic radicals", "Ueber die Identität des Aethylwasserstoffs und des Methyls", "Single-crystal structures and electron density distributions of ethane, ethylene and acetylene. The combustion reaction to CO2 and H2O is initiated and the vessel is cooled back to 130.0°C. At standard temperature and pressure, ethane is a colorless, odorless gas. Similarly, the Saudi Arabian firm SABIC has announced construction of a 30,000 tonnes per annum plant to produce acetic acid by ethane oxidation at Yanbu. On a much smaller scale, in scientific research, liquid ethane is used to vitrify water-rich samples for electron microscopy (cryo-electron microscopy). In the simplest case, ethene (C2H4) and H2 form ethane (C2H6). At standard temperature and pressure, ethane is a colorless, odorless gas. Calculate the partial pressure of each gas in the, A 1L flask is filled with 1.25 g of argon at 25 degrees celcium. When calculating mass and volume flow of a substance in heated or cooled systems with high accuracy - the specific heat (= heat capacity) should be corrected according values in the table below. Presently, INEOS operates a 1000 t/a (tonnes per annum) ethane-to-vinyl chloride pilot plant at Wilhelmshaven in Germany. Is 1,1,2, trichloro ethane a chiral molecule when trapped in this position? Combustion may also occur without an excess of oxygen, forming a mix of amorphous carbon and carbon monoxide. What will be the heat released when 4.42g of ethane is combusted under these conditions? Organic hydrogenation reactions, in which H2 and an "unsaturated" organic compound combine, are used in the food, fuel, and polymer industries. 206 kg/m3 (at critical point 305.322 K). Atmospheric ethane results from the Sun's photochemical action on methane gas, also present in these atmospheres: ultraviolet photons of shorter wavelengths than 160 nm can photo-dissociate the methane molecule into a methyl radical and a hydrogen atom. In 1996, ethane was detected in Comet Hyakutake,[34] and it has since been detected in some other comets. How to write the equation for the combustion of ethane C2H6? 24 g 48 g 72 g When ethane (C2H6) burns, it produces carbon dioxide and water: 2C2H6 (g) + 7O2 (g) 4CO2 (g) + 6H2O (l) How many moles of water. Want to see this answer and more? 1. Various refrigeration strategies exist: the most economical process presently in wide use employs a turboexpander, and can recover more than 90% of the ethane in natural gas. For example, an ethyl group linked to a hydroxyl group yields ethanol, the alcohol in beverages. You can target the Engineering ToolBox by using AdWords Managed Placements. Slower freezing methods can generate cubic ice crystals that can disrupt soft structures by damaging the samples and reduce image quality by scattering the electron beam before it can reach the detector.
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