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Temperature (K) A B C Reference Comment; 353.48 to 452.30: 4.27117: 1831.571-61.329: Fowler, Trump, et al., 1968: Coefficents calculated by NIST from author's data.
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Naphthalene has a relatively high vapor pressure for a solid (because of its volatility, naphthalene is the active ingredient in some brands of mothballs). In view of this, what might happen if you place naphthalene under vacuum or in an oven for several hours to dry it?
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naphthalene, the simplest of the fused or condensed ring hydrocarbon compounds composed of two benzene rings sharing two adjacent carbon atoms; chemical formula, C 1 0 H 8. It is an important hydrocarbon raw material that gives rise to a host of substitution products used in the manufacture of dyestuffs and synthetic resins.
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Consider the placing 3.00 g of solid naphthalene in a 5.00 L container at 298 K. After some time equilibrium is established between solid and gaseous naphthalene (Kc = 4.29 x 10-6) : 1. naphthalene(s) naphthalene(g) What is the pressure of gaseous naphthalene at equilibrium? A) 1.00 atm B) 5.25 x 10-4 atm C) 1.05 x 104 atm D) 73.4 atm E) 4.29 x ...
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Estimate the solubility (in units of grams of solute/ liter of solvent) of solid naphthalene(1) in liquid n-hexane(2) at 20°C for a system containing 20 moles in total. Assume complete immiscibility in the solid phase, and activity coefficients in the liquid phases given by: Iny -1.4x^and Iny, -14x. Data: Melting point of naphthalene = 80.2°C ...
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Naphthalene is a carbon-based chemical that is most commonly used to make mothballs.It has the chemical formula C 10 H 8, and is known within the scientific community as a polycyclic aromatic hydrocarbon.This chemical is found in nature but scientists can also synthetically create it in a lab. In addition to mothballs, it is used to make insecticide, many …
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Naphthalene weighs 1.162 gram per cubic centimeter or 1 162 kilogram per cubic meter, i.e. density of naphthalene is equal to 1 162 kg/m³; at 20°C (68°F or 293.15K) at standard atmospheric pressure.. In Imperial or US customary measurement system, the density is equal to 72.5413 pound per cubic foot [lb/ft³], or 0.67168 ounce per cubic inch [oz/inch³] .
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Biomimetic molecular organization of naphthalene diimide in the solid state: tunable (chiro-) optical, viscoelastic and nanoscale properties M. Pandeeswar, H. Khare, S. Ramakumar and T. Govindaraju, RSC Adv., 2014, 4, 20154 DOI: 10.1039/C3RA47257D . To …
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Question: (b) A solid naphthalene sphere is placed in a flow of air at 135°C at a pressure of 1.013 x 105 Pa. The sphere will slowly sublime into the air stream by diffusion alone. The rate of sublimation per unit area Nar (flux) is: DABP Nar In RTr ( Using the above in combination with a mass balance on the system, determine the time taken to ...
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naphthalene năfˈthəlēnˌ [key], colorless, crystalline, solid aromatic hydrocarbon with a pungent odor. It melts at 80℃, boils at 218℃, and sublimes upon heating. It is insoluble in water, somewhat soluble in ethanol, soluble in benzene, and
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Kingsun sodium naphthalene sulfonate formaldehyde (SNF/PNS/NSF/FND) can be used as the superplasticizer for concrete. ... Solid Content (%) ≥: 92; PH Value: 7~9; CAS No.: 3; HS Code: 38244010 Sodium Naphthalene Sulfonate in Concrete ... and need to be crushed into fine powder by a crusher. The crushing particle size needs to be ...
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A 1.75-cm diameter naphthalene mothball is suspended in an air stream at 280 K, 1.0 atm, and constant velocity of 1.4 m/s. Solid naphthalene exerts a vapor pressure of 2.8 Pa at 280 K. Consequently, the naphthalene very slowly sublimes into the passing air stream, with the rate limited by convective mass transfer.
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Crusher Machine Naphthalene-Tracked Mobile Crushing naphthalene crushing machine rock crusher & rock crushing plant . solid naphthalene crusher. coal tar is a black, viscous liquid or a naphthalene crushing plant,Solid Naphthalene CrusherGrinding Mill Chinasolid naphthalene crusher.Lightweight Aggregate Suppliers,Impact, Vsi crusher for ...
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Quantity Value Units Method Reference Comment; T boil: 490. ± 5. K: AVG: N/A: Average of 10 out of 11 values; Individual data points Quantity Value Units Method Reference Comment; T fus: 353.2 ± 0.7
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Naphthalene (C 10 H 8) is a solid at room temperature. It sublimes by the following process. Using the data below determine the best estimate of the sublimation temperature for naphthalene (the temperature at which this reaction will become spontaneous under standard state conditions). C 10 H 8 (s) → C 10 H 8 (g) ∆H° = 72.1 kJ/mol . ∆S ...
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Calculate the maximum solubility in terms of mole fraction of solid naphthalene in liquid toluene at 25 oC is the enthalpy of fusion of naphthalene is 19.123 kJ/mol and its melting point is 78.2 oC. Your solution's ready to go! Our expert help has broken down your problem into an easy-to-learn solution you can count on.
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The elastic behavior of solid naphthalene was studied by in situ synchrotron powder X-ray diffraction up to 13 GPa and 773 K and first principles computations to 20 GPa and 773 K. Fitting of the P-V experimental data to Vinet equation of state yielded T 0 = 8.4(3) GPa and T' = 7.2 (3) at V0 = 361 Å(3), whereas the thermal expansion coefficient ...
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At 35°C the vapor pressure of solid naphthalene is 2.80 x 10- bar and its density is 1.145 g cm. Calculate the solubility of naphthalene in compressed ethylene at 35°C and at total pressure of 30 bar: (a) Using the ideal-gas law. (b) Using the virial equation of state truncated after the second term. For the second yirial coefficient B use ...
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Naphthalene is an organic compound with formula C10H8. It is the simplest polycyclic aromatic hydrocarbon, and is a white crystalline solid with a characteristic odor that is detectable at concentrations as low as 0.08 ppm by mass. As an aromatic hydrocarbon, naphthalene's structure consists of a fused pair of benzene rings.
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Sazankurak TOO is an integrated international energy company. Oil products supplied by us meet all Kazakhstan and international quality standards, have all the necessary certificates of …
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Naphthalene (CAS Registry Number 91-20-3; molecular formula C10H8) is a white crystalline powder with a characteristic odour (of mothballs). It is a two-ring aromatic hydrocarbon isolated from coal tar. Synonyms used are antimite, …
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Question: (a) Use average bond enthalpies (Table 8.3) to estimate ΔH for the atomization of naphthalene, C10H8 : (b) Determine ΔH for the atomization of naphthalene using Hess's law and the data in Appendix C. (ΔHf∘ of solid …
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