which one of the following gas has the highest calorific value?
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Petrol, calorific value of which is 45.8 MJ/kg. Thus, LPG has highest calorific value among above.
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The new enthalpy of formation of gas-phase hydrazine, based on balancing all available knowledge, was determined to be 111.57 ± 0.47 kJ/mol at 0 K (97.42 ± 0.47 kJ/mol at 298.15 K). Close agreement was found between the ATcT (even excluding the latest theoretical result) and the FPD enthalpy.
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The very high value of the ionisation enthalpies of noble gases are due to their high values of effective nuclear charge and stable electronic configuration (ns2 np6) i.e. fully filled s and p-orbitals).
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… energy known as the latent heat of vaporization is required to break the hydrogen bonds. At 100 °C, 540 calories per gram of water are needed to convert one gram of liquid water to one gram of water vapour under normal pressure.
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the enthalpy of hydrogenation of propene to propane is -124 kJ mol-1 .
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['Oxygen: colorless, tasteless, odorless, gas, melting point= 54.8 k, boiling point= 90.19 k.', 'Sulfur: pale yellow, brittle, tasteless, odorless, solid, melting point= 386 k, boiling point= 717.824 k.', 'Selenium: red, black, or metallic gray, solid (mostly), melting point= 490 k, boiling point= 958.1 k.']
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Calorific value: The amount of energy produced by the complete combustion of a material or fuel. Coal gas H2+CO+CH4 has the highest calorific value.
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The most abundant gas in the atmosphere is nitrogen, with oxygen second. Argon, an inert gas, is the third most abundant gas in the atmosphere.
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Answer and Explanation: HF has the highest boiling point. All the hydrogen halides have van der waals forces of attraction between them which...
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Natural gas energy content is typically measured in Gigajoules (GJ), a metric energy measure. The imperial measure is one Million British Thermal Units ( MMBtu ). A GJ has a heat value of approximately 0.948 MMBtu s.
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Natural-gas heating value Higher Heating Value (HHV) or Gross Heating Value (GHV) assumes that the water vapour produced in the combustion process is condensed to liquid. Net Heating Value (NHV) assumes the vapour produced in the combustion process stays in the gaseous phase.
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The enthalpy of formation of ammonia is `-46.0 KJ mol^(-1)` .
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The volume of the gas is calculated as if measured at standard temperature and pressure (STP). One therm is equal to about 105.5 megajoules, 25200 kilocalories, or 29.3 kilowatt-hours. One therm can also be provided by about 96.7 cubic feet (2.74 m3) of natural gas.
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Among the given noble gases Xenon has the highest boiling point.
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['Syrah - 122 calories.', 'Grenache - 122 calories.', 'Pinot Noir - 120 calories.', 'Riesling - 120 calories.', 'Sauvignon Blanc - 120 calories.', 'Chenin Blanc - 118 calories.', 'Gewurztraminer - 118 calories.', 'Gamay - 114 calories.']
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Natural gas is mainly Methane and has the lowest carbon-to-hydrogen ratio of the fossil fuels and the highest calorific value of about 55 MJ/kg, although this value will be lower if the methane content in the gas is lower.
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Least Nutritious Option McDonald's Big Mac is one of the highest calorie items on the menu with 540 calories and 28 grams of fat.