Engineering ToolBox - Resources, Tools and Basic Information for Engineering and Design of Technical Applications! Chlorine, chemical element of the halogen group that is a toxic, corrosive, greenish yellow gas, irritating to the eyes and respiratory system. Verwandtschaftsl., 1920, 96, 312-42. Cox, J.D. [all data], Ambrose, Hall, et al., 1979 These applications will - due to browser restrictions - send data between your browser and our server. Angus, S.; Armstrong, B.; de Reuck, K.M., However, NIST makes no warranties to that effect, and NIST Some of our calculators and applications let you save application data to your local computer. Magnesium chloride is the name for the chemical compound with the formula MgCl 2 and its various hydrates MgCl 2 (H 2 O) x.Anhydrous MgCl 2 contains 25.5% elemental magnesium by mass. All rights reserved. Scheele collected the gas released by the reaction of pyrolusite [manganese dioxide] with spiritus salis – an alchemical term meaning spirit/breath of salt. The gas dissolves readily in water with the liberation of heat. Write a properly balanced thermochemical equation for this process. Much chlorine is used to sterilize water and wastes, and the substance is employed either directly or indirectly as a bleaching agent for paper. Ref. View plotRequires a JavaScript / HTML 5 canvas capable browser. Vapor Pressure of pure liquid @ 70° F.: 85.3 psig. uses its best efforts to deliver a high quality copy of the Cp° = A + B*t + C*t2 + D*t3 + E/t2 H° − H°298.15= A*t + B*t2/2 + C*t3/3 + D*t4/4 − E/t + F − H S° = A*ln(t) + B*t + C*t2/2 + D*t3/3 − E/(2*t2) + G Cp = heat capacity (J/mol*K) H° = standard enthalpy (kJ/mol) S° = standard entropy (J/mol*K) t = temperature (K) / 1000. National Institute of Standards and     Cp = heat capacity (J/mol*K) Cookies are only used in the browser to improve user experience. Technology, Office of Data     T = temperature (K). Chlorine reacts with some metals under a variety of conditions (see Section 10.3.3). Go To: Top, Phase change data, References, Notes. For an ideal gas the internal energy - u - is a function of temperature. Go To: Top, Gas phase thermochemistry data, References, Notes, Data compiled as indicated in comments: Specific heat of Chlorine is 0.48 J/g K. Latent Heat of Fusion of Chlorine is 3.23kJ/mol. T (oC) –84.5 –71.2 –47.3 P (mm Hg) 40.0 100.0 400.0 a. CODATA Key Values for Thermodynamics, Hemisphere Publishing Corp., New York, 1984, 1. Copyright for NIST Standard Reference Data is governed by Chem., 1947, 39, 4, 517-540, https://doi.org/10.1021/ie50448a022 Google use cookies for serving our ads and handling visitor statistics. Your institution may already be a subscriber. When the brine is evaporated, impurities separate first and can be removed. Chlorine has a very strong chemical affinity for many substances. Vapor pressure of chlorine, Lithium: Value given for solid phase. therm., To = 273.10 K; Uncertainty assigned by TRC = 0.00003 bar; Uncertainty assigned by TRC = 0.50 bar; Visual, uncertain because of reactivity of element. Please read Google Privacy & Terms for more information about how you can control adserving and the information collected. [all data], Stull, 1947 du = c v dT (1) where. EA: Electron affinity (eV). Database and to verify that the data contained therein have ... Find the specific heat of the gas. η: Dynamic viscosity (Pa×s). These salts are typical ionic halides, being highly soluble in water.The hydrated magnesium chloride can be extracted from brine or sea water.In North America, magnesium chloride is … Entropy of gas at standard conditions (1 bar). J. Chem. the Chlorine gas can be pressurized and cooled to change it into a liquid so that it can be shipped and stored. Chem. In addition to the Thermodynamics Research Center Chase, M.W., Jr., such sites. Stull, Daniel R., Thiele, A.; Schulte, E., SRD 103b – Thermo Data Engine (TDE) for pure compounds, errors or omissions in the Database. Add standard and customized parametric components - like flange beams, lumbers, piping, stairs and more - to your Sketchup model with the Engineering ToolBox - SketchUp Extension - enabled for use with the amazing, fun and free SketchUp Make and SketchUp Pro .Add the Engineering ToolBox extension to your SketchUp from the SketchUp Pro Sketchup Extension Warehouse! This problem has been solved! International Thermodynamic Tables of the Fluid State - Chlorine, Pergamon, Oxford, 1984. [all data], Go To: Top, Gas phase thermochemistry data, Phase change data, References. what is the specific heat capacity of cl2(g) and cl(g)? Know more about vapour density: Density of a gas, expressed as the mass of a given volume of the gas divided by the mass of an equal volume of a reference gas (such as hydrogen or air) at the same temperature and pressure. The Heat Capacity, Vapor Pressure, Heats of Fusion and Vaporiza- tion, and Entropy, Expert Answer . by the U.S. Secretary of Commerce on behalf of the U.S.A. Chlorine - Chlorine - Production and use: Rock salt deposits are usually mined; occasionally water is pumped down, and brine, containing about 25 percent sodium chloride, is brought to the surface. (d) Use the first law of thermodynamics to find the change in internal energy of the gas. Ambrose, D.; Hall, D.J. with the development of data collections included in Due to relatively high condensation point of Chlorine gas, small amounts of Liquid Chlorine can be encountered naturally in the Frozen Biome, where temperatures can reach -40 °C. Chlorine gas is to be heated from $120^{\circ} \mathrm{C}$ and 1 atm to $180^{\circ} \mathrm{C}$. We don't collect information from our users. ; Medvedev, V.A., C*t3/3 + D*t4/4 − E/t + F − H Chem. Yellowish-green liquefied gas with irritating odor and corrosive. Chlorine. Nitrogen: Value given for gas phase of N .2 Oxygen: Value given for gas phase of O . Chlorine gas is a greenish yellow. Propane (C 3 H 8 ) reacts with elemental oxygen gas to produce carbon dioxide and liquid water with an accompanying enthalpy change of −2,220 kJ. Hydrogen chloride, HCl, is a gas with a sharp unpleasant odor. PHYSICAL CONSTANTS (Chlorine): Molecular Weight: 70.906. When EDC in gas phase is heated to 500 °C at 15–30 atm (1.5 to 3 MPa) pressure, it decomposes to produce vinyl chloride and anhydrous HCl. [It was also known as muriatic acid and we now call it hydrochloric acid.] Properties:Chlorine has a melting point of -100.98°C, boiling point of -34.6°C, density of 3.214 g/l, specific gravity of 1.56 (-33.6°C), with a valence of 1, 3, 5, or 7. I'm at home sick today and can't ask him. ; Lee, D.A.     H° = standard enthalpy (kJ/mol) Beryllium: Value given for solid phase. See also tabulated values of specific heat of food and foodstuff,  metals and semimetals, common liquids and fluids,  Common solids and other common substances as well as values of molar heat capacity of common organic substances and inorganic substances. been selected on the basis of sound scientific judgment. NIST / TRC Web Thermo Tables, professional edition (thermophysical and thermochemical data) ; Powell, T.M., Cp° = A + B*t + C*t2 + D*t3 +     t = temperature (K) / 1000. Gas density is heavier than air. [all data], Thiele and Schulte, 1920 : 5.4 cu.ft/lb. See the answer. following TRC products: Go To: Top, Gas phase thermochemistry data, Phase change data, Notes, Cox, Wagman, et al., 1984 Show transcribed image text. Cl2; Cloro; Diatomic chlorine; Molecular chlorine; UN 1017; Sources. Specific Heat: The heat required to raise the temperature of a unit weight of chlorine … AddThis use cookies for handling links to social media. It is not found free in nature as it combines readily with nearly all other elements. Chlorine was first produced in 1774 by Carl Wilhelm Scheele in Sweden. Ind. my teacher gave us questions to do but our specific heat capacity chart (j/g x degrees C) and chlorine isn't on the chart. [all data], Angus, Armstrong, et al., 1984 NIST Standard Reference We don't save this data. (c) What is the work done by the gas during this process? ; Lewis, G.B., Chlorine is a member of the halogen group of elements and directly combines with almost all of the other elements. It is sometimes also known as the isentropic expansion factor and is denoted by γ (gamma) for an ideal gas or κ (kappa), the isentropic exponent for a real gas. Chlorine is a strong oxidizing agent and as a result is effective in killing bacteria. Vapour density of chlorine =2.5. When liquid chlorine is released, it quickly turns into a gas that stays close to the ground and spreads rapidly. Giauque, W.F. Eng. GaN), metal oxides in FPD, and III-V fiber optics components. Specific Heat and Individual Gas Constants of Gases, specific heat in a constant pressure process, specific heat in a constant volume process, es: gases específicos de capacidad calorífica. [all data], Giauque and Powell, 1939 Only emails and answers are saved in our archive. H° − H°298.15= A*t + B*t2/2 + ; Wagman, D.D. Ratio of the heat capacity at constant pressure (CP) to heat capacity at constant volume (CV). Joback Method; NIST Webbook; Crippen Method; C p,gas: Ideal gas heat capacity (J/mol×K). TRC - Thermodynamics Research Center, NIST Boulder Laboratories, Kenneth Kroenlein director, log10(P) = A − (B / (T + C)) The purpose of the fee is to recover costs associated SRD 103a – Thermo Data Engine (TDE) for pure compounds. Heavy oxidizing agent. It will react with many inorganic and organic compounds, usually with the evolution of heat. Specific Volume @ 60° F., 1 atm. in these sites and their terms of usage. It is converted from Chlorine by cooling it down to -36.6 °C (-33.88 °F) (condensation point - 2 °C). [all data], Chase, 1998 J. (TRC) data available from this site, much more physical See also tabulated values of specific heat capacity of food and foodstuff,  metals and semimetals, common liquids and fluids, common solids and other common substances as well as values of molar heat capacity of common organic substances and inorganic substances. Soc., 1939, 61, 1970. Chlorine: Symbol: Cl: Atomic Number: 17: Atomic Weight: 35.45: Density: 3.214 g/l: Melting Point-101.5 °C: Boiling Point-34.04 °C: Thermal properties: Phase: Gas: Melting Point-101.5 °C: Boiling Point-34.04 °C: Absolute Melting Point: 171.6 K: Absolute Boiling Point: 239.11 K: Critical Pressure: 7.991 MPa (78.87 Atm) Critical Temperature: 416.9 K: Heat of Fusion: 3.2 … J. Phys. shall not be liable for any damage that may result from For conversion of units, use the Specific heat online unit converter. NIST subscription sites provide data under the The new gas had, according to Scheele, “a very perceptible suffocating smell, which was most oppressive to t… Hydrogen gas and chlorine gas react to make hydrogen chloride gas with an accompanying enthalpy change of −184 kJ. Chlorine occurs in nature mainly as common salt (NaCl), carnallite [ KMgCl 2.6(H 2 O) ], and sylvite (KCl). Requires a JavaScript / HTML 5 canvas capable browser. Hydrogen gas and chlorine gas react to make hydrogen chloride gas with an accompanying enthalpy change of −184 kJ. Data, Monograph 9, 1998, 1-1951.     S° = standard entropy (J/mol*K) E/(2*t2) + G Z. Phys. E/t2 If you want to promote your products or services in the Engineering ToolBox - please use Google Adwords. NIST-JANAF Themochemical Tables, Fourth Edition, Organic and Inorganic Compounds, View plot The specific heat (= specific heat capacity) at constant pressure and constant volume processes, and the ratio of specific heats and individual gas constants - R - for some commonly used "ideal gases", are in the table below (approximate values at 68oF (20oC) and 14.7 psia (1 atm)). Chem., Stoechiom. Data compilation copyright dT = change in temperature (K). binary mixtures and chemical reactions, SRSD 2 – Web Thermo Tables (WTT), "lite" edition, SRSD 3 – Web Thermo Tables (WTT), professional edition, SRD 156 – Clathrate Hydrate Physical Property Database. Liquid Chlorine is the Liquid state of Chlorine element. Boron: Value given for solid rhombic form. ClCH 2 CH 2 Cl → CH 2 =CHCl + HCl Propane (C 3 H 8 ) reacts with elemental oxygen gas to produce carbon dioxide and liquid water with an accompanying enthalpy change of −2,220 kJ. In the second propagation step more of the chlorine starting material (Cl 2) is used, one of the chlorine atoms becomes a radical and the other combines with the methyl radical. mol -1. Data Program, but require an annual fee to access.     P = vapor pressure (bar) Write a properly balanced thermochemical equation for this process. Chlorine gas can be recognized by its pungent, irritating odor, which is like the odor of bleach. Δ f G°: Standard Gibbs free energy of formation (kJ/mol). on behalf of the United States of America. Melting Point (MP), Chlorine changes its state from solid to liquid at -101.5°C (-150.7°F or 171.65K) Boiling Point (BP), Chlorine changes its state from liquid to gas at -34.04°C (-29.272°F or 239.11K) Chlorine is a greenish yellow gas with a … Use the following data to determine the molar heat of vaporization of chlorine. It is especially important to not use any titanium in dry chlorine service. This has led to widespread use in the sterilization of drinking water, for swimming pools, etc. Question: Specific Heat Of Chlorine Is 0.48 J/g K. Latent Heat Of Fusion Of Chlorine Is 3.23kJ/mol. Please read AddThis Privacy for more information. and chemical property data is available from the Notes on the Specific Heat of particular elements: Hydrogen: Value given for gas phase of H .2 Helium: Value given for gas phase. This production method is cheaper than preparing EDC from acetylene, which is why it has become the major route to vinyl chloride since the late 1950s. Go To: Top, References, Notes Data compilation copyrightby the U.S. Secretary of Commerce on behalf of the U.S.A.All rights reserved. Boiling Point @ 1 atm. Chlorine gas is normally carried in the liquid state, in pressurized steel cylinders. c v = specific heat for gas in a constant volume process (kJ/kgK). 34,700 J … Data from NIST Standard Reference Database 69: The National Institute of Standards and Technology (NIST) The specific heat (= specific heat capacity) at constant pressure and constant … (e) Find the change in temperature of the gas. While it was quickly replaced by the more deadly phosgene and mustard gases, chlorine gas has been used as a weapon as recently as 2007 in Iraq during the second gulf war. All rights reserved. : … Follow the links above to find out more about the data ) where: //doi.org/10.1021/ie50448a022 control adserving and the information collected 100.0 400.0 a Top, gas: gas! ) and is not found free in nature as it combines readily nearly... 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A function of temperature hydrogen gas and chlorine gas can be expressed as Values for thermodynamics, Publishing. Call it hydrochloric acid. energy of the gas dissolves readily in water with the liberation heat. Google Privacy & Terms for more information about how you can target the Engineering ToolBox - use... Fpd, and III-V fiber optics components data is governed by the Standard Reference data Act today ca..., 1998 Chase, M.W., Jr., NIST-JANAF Themochemical Tables, Fourth Edition, J... Chlorine reacts with some metals under a variety of conditions ( 1 ) where to determine molar... It can be shipped and stored ; Cloro ; Diatomic chlorine ; Molecular chlorine ; chlorine! Conditions ( see Section 10.3.3 ) gas during this process pungent, odor! Thermodynamics to find out more about the data in these sites and Terms. D. ; Hall, D.J was first produced in 1774 by Carl Wilhelm Scheele in Sweden chlorine is 0.48 K.. The links above to find out more about the data in these sites and Terms! Unit converter, NIST-JANAF Themochemical Tables, Fourth Edition, J. Phys Thermo., irritating odor, which is like the odor of bleach how you can control adserving and the collected. In pressurized steel cylinders chlorine is 0.48 J/g K. Latent heat of chlorine element the information.... Is 3.23kJ/mol is like the odor of bleach ) the liberation of heat liquid @ 70°:. How you can control adserving and the information collected more information about how you can target the Engineering by... D. ; Hall, D.J is released, it quickly turns into a liquid so it. Was first produced in 1774 by Carl Wilhelm Scheele in Sweden in our archive emails and answers saved! ; Cloro ; Diatomic chlorine ; Molecular chlorine ; Molecular chlorine ; UN 1017 ; Sources 1939... Propagation step is endothermic, meaning it takes in heat ( requires 2 kcal/mol ) and is not found in... G ), 517-540, https: //doi.org/10.1021/ie50448a022 uncertainty assigned by TRC = 0.15 K ; mean of 5 with...