Article Explain your answer using the observations collected in Data Table 2.-While heating & burning the Mg, the flame turned green. Chen DD, Bu CS, Wang XY, Zhang JB, Kobayashi N, Piao GL, et al.
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Standard Enthalpy of Combustion - UCalgary Chem Textbook PDF Municipal Solid Waste - Energy Information Administration The calorific value is the total energy released as heat when a substance undergoes complete combustion with oxygen under standard conditions.The chemical reaction is typically a hydrocarbon or other . Int J Coal Prep Util. Wang YF, Song YM, Zhi KD, Li Y, Teng YY, He RX, et al. Explain your answer using the observations collected in Data Table 2
PDF CHAPTER 3 COMBUSTION CALCULATION - Universiti Teknologi Malaysia For the . Initial Specimen Mass, Mi (gravimetric) 2.94. . Zhang Y, Liu YR, Shi XQ, Yang CP, Wang WF, Li YQ. 16.12.
15.5 Adiabatic Flame Temperature - Massachusetts Institute of Technology This Heat of Combustion table gives the Heat of Combustion of all the elements of periodic table in J/(kg K) . Heat of formation of water at 25 0 [5]. We review their content and use your feedback to keep the quality high. You'll get a detailed solution from a subject matter expert that helps you learn core concepts. 0000001623 00000 n
This may occur in several ways, either by oxidation in the presence of moisture and air, or bacterial fermentation, which generates heat. Last Update to Data Content: 1998.
Heat of Combustion - CHEMnetBASE Gather the magnesium metal, copper(II) carbonate (CuCO3), copper(II) nitrate (Cu(NO3)2), and mossy zinc. J Energy Inst. EAGm8S&C SdeKm_`k0WRtm]*YmcpN6&00;O8H_Eb=wYv "|y|5Y8 6xTvYHNm(bVt%j;T6ugC#V;^ #. DOI: 10.18434/T42S31. J Anal Appl Pyrol. You can unsubscribe at any time by clicking the link at the bottom of any IEA newsletter. 2017;90:62433. For a combustion process that takes place adiabatically with no shaft work, the temperature of the products is referred to as the adiabatic flame temperature. (i) work gas expands isothermally. POHC in SCC 0 0.00 0.00 -0.89% Air 39258 Rad. Characteristics of mass, heat and gaseous products during coal spontaneous combustion using TG/DSCFTIR technology. combustion due to maladjustment of the engine fuel system; excessively large fuel droplets (diesel engines); and low cylinder temperature due to excessive cooling (quenching) through the walls or early cooling of the gases by expansion of the combustion volume caused by piston motion before combustion is completed.2 3.3.3.3 Carbon Monoxide -
PDF Heats of combustion and formation at 25 degrees C of the - NIST (2023)Cite this article. 2022;7:21397406. This can be converted to kJ per mass units: The molweight of ethanol is (2*12.01 + 6*1.01 + 1*16.00) = 46.08 g/mol, The heat of combustion of ethanol, Hc(C2H6O, l) = 1366.91[kJ/mol] *1000[g/kg] / 48.08 [g/mol] = 29664 kJ/kg ethanol = 29.7 MJ/kg = 12754 BTU/lb = 7086 kcal/kg. View the full answer. Only emails and answers are saved in our archive. Materials: candle, matches. The National Fire Research Laboratory (NFRL) operates calorimeters to measure the heat and combustion products for fires in the range of 50 kW to 20,000 kW The National Fire Research Laboratory The National Fire Research Laboratory (NFRL) is a unique experimental facility dedicated understanding fire behavior and structural response to fire. [2]GGE table values reflect Btu range for common gasoline baseline references (E0, E10, and indolene certification fuel). Lower Explosive Limit (LEL) and Heat . Tan B, Wei HY, Zhang FC, Xu B, Chen KL. 5. Yi X, Xiao Y, L HF, Shu CM, Deng J. Thermokinetic behavior and microcharacterization during the spontaneous combustion of 1/3 coking coal. 1.5-2 EMISSION FACTORS 07/08 Formation of N2O during the combustion process is governed by a complex series of reactions and its formation is dependent upon many factors. Chapter 2 Thermodynamics of Combustion 2.1 Properties of Mixtures The thermal properties of a pure substance are described by quantities including internal energy, u, enthalpy, h, specic heat, c p, etc.
Combustion Data - an overview | ScienceDirect Topics Please read AddThis Privacy for more information. FGR temperature is obtained by UDF to call economizer outlet flue gas temperature at . Change in CO2 emissions by region, 2021-2022 - Chart and data by the International Energy Agency. Table 5. Inhibition mechanism of spontaneous combustion by nano-sized complex inhibitor for Chinese lignite in low-temperature oxidation. Yang YL, Li ZH, Si LL, Hou SS, Li ZW, Li JH. Fuel. 0.60. Zhang YB, Zhang YT, Li YQ, Shi YQ, Che B.
19.4: Entropy Changes in Chemical Reactions - Chemistry LibreTexts and the heat of combustion can be calculated from the standard heat of formation of all compounds taking part in the reaction: Hc = -aHf(CO2,g) - b Hf(H2O,l) + Hf(CaHbOc) +(a +b - c) Hf(O2,g) = -a(- 393.51) - b(-285.830) + Hf(CaHbOc) + (a +b - c)*0. Thermochim Acta. vpHf C 2 H 2 = 2 mol (+227 kJ/mole) = +454 kJ.
PDF Chapter 2 Thermodynamics of Combustion - Nuclear Regulatory Commission Was I too? Determination of ignition temperature and kinetics and thermodynamics analysis of high-volatile coal based on differential derivative thermogravimetry. where cH0 is the heat of combustion of benzoic acid (given as -6318 cal g), m is the mass of the benzoic acid sample (0.9799 g), e 3 is the heat of combustion of the wire (calculable from the heat of combustion of the wire, -2.3 cal cm and the length of the wire, 15.1 cm), and T is the previously calculated temperature rise, 2.77252 C . When the . Combustion kinetics of Chinese Shenhua raw coal and its pyrolysis carbocoal. Google Scholar. In the combustion process, due to its high melting point and boiling point, boron particles mainly exist in solid phase and experience heterogeneous gas-solid reactions with oxygen, water vapor and other components in the air, releasing heat that rapidly . Enthalpy Data. % 4 0 obj
If dilution air is required, calculate the amount and the total quantity of feed.
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a1;Dbj;!uD_u5x :,uLQm2*Bl?&kt+u YvbcCPZQMBN):?~Xcpu#jk v56 q Data Table 2: Heating and Combustion Chemical Initial Observations Heating Observations Burning Observations Mg Zn CuCO3 Cu(NO3)2 Procedure Put on your safety goggles and gloves. In chemistry, IUPAC established standard temperature and pressure (informally abbreviated as STP) as a . Electric Power Monthly (EPM) (Table 2). Table 2.1 Detailed sector split for stationary combustion 2.7 Table 2.2 Default emission factors for stationary combustion in the energy industries (kg of greenhouse gas per TJ on a net calorific basis)2.16 Table 2.3 Default emission factors for stationary combustion in manufacturing industries and 0000000952 00000 n
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Observation of Phy & Chem Observations (FINAL), Observations of chemical _report_EMS - Copy.docx, TestBank_McCance_Pathophysiology_Biologic_Basis_for_Disease_8th_2018__1_-10.pdf, unquantifiable or beyond our control In fact we can demystify it even further by, Table 2 Cultural Benefits of Batangas Festival Indicators WM VI Rank 1 It, 3 The MBA One is a one year full time daytime MBA program designed for non, To make the automated painting of landscape features more flexible a scripting, EXP 2 DETERMINATION OF CONDUCTIVITY IN WATER.pdf, Each line in this file is of the form rmnamermstructurenamelibrarynames See, Attrition As in the case of material carried by rivers the material carried by, I do both I have some nonmargined S EP I RA accounts for the longer term For my, landmarks instead of the landmarks for the mean and extreme forms connected by, source MAC address destination MAC address frame payload cyclic redundancy check, Page 7 of 15 the FFTLA One week later Prime asserted a third party claim against, 94 Metabolism refers to all of the chemical reactions in a cell true false, AMIN FARES - Day 1_ Leadership styles.pdf. Scope 1 emissions are direct greenhouse (GHG) emissions that occur from sources that are controlled or owned by an organization (e.g., emissions associated with fuel combustion in boilers, furnaces, vehicles). So just bear with me here. 2019;191:176988. Data Table 2: Heating and Combustion Chemical Initial Observation Heating Observations Burning Observations Mg Small grey solid metal Looked like it almost disappeared When taken away from the flame it turned a bright orange and seems to be stuck on the test tube Turned into a bright light and burned Zn Grey . The heat of combustion of ethanol, H c (C 2 H 6 O, l) = 2*393.51 + 6*142.915 + (-277.6) . Turns to liquid, solidifies when heat removed, result is black in color Similar reaction as when heated but did not turn back to solid as when heated . Heat of Combustion of all the elements in the Periodic Table Refer to graph, table and property element trend below for Heat of Combustion of all the elements in the periodic table. A lock (LockA locked padlock) or https:// means youve safely connected to the .gov website. These applications will - due to browser restrictions . Licence: CC BY 4.0, The data from this chart is not available for download, Keep up to date with our latest news and analysis by subscribing to our regular newsletter. Beitrags-Autor: Beitrag verffentlicht: 22. H(formation,ideal gas)at 25 C: NA: G(formation,ideal gas) at 25 C: NA: Heat of Combustion, Gross form (HCB1) NA: Heat of Combustion, Net form (HCB2) NA: Molecular Properties. The comment period ended December 14, 2009. Chem Eng Commun. Powder Technol. LEL and heat of combustion data for a number of compounds are given in Table 13-4. 0000027889 00000 n
Data Table 2: Heating and Combustion Chemical Initial Observation Heating Observations Burning Observations Mg Small grey solid metal Looked like it almost disappeared When taken away from the flame it turned a bright orange and seems to be stuck on the test tube Turned into a bright light and burned Zn Grey solid metal No change No change CuCO3 7 1.1. . Periodic Table of Elements; Unit Conversion; Universal Constants; Pure Component Properties; . PLoS ONE.
Heat of combustion - Wikipedia %PDF-1.6 Experimental investigation for the combustion characteristics of blends of three kinds of coal. In fact, it is not even a combustion reaction. Thermochemical data for over 7000 organic and small inorganic compounds: Enthalpy of formation Enthalpy of combustion Heat capacity Entropy Phase transition enthalpies and temperatures Vapor pressure Reaction thermochemistry data for over 8000 reactions. Learn more about Institutional subscriptions, Mass of the sample at a given moment (mg), Universal gas constant (8.314Jmol1K1), Combustion characteristic index (%2min2K3), Pyrogenic decomposition onset temperature (K), Maximum mass loss rate point temperature (K). 136 Heat of Combustion Table 2. Data Table 2: Heating and Combustion Chemical Initial Observation Heating Observations Burning Observations Mg Small grey solid metal Looked like it almost disappeared When taken away from the flame it turned a bright orange and seems to be stuck on the test tube Turned into a bright light and burned Zn Grey solid metal No change No change CuCO . 2 O are emitted during the combustion of fuels. 1964;201:689. Data Table 2: Heating and Combustion Chemical Initial Observations Heating Observations Burning Observations Mg Zn CuCO3 Cu(NO3)2 Procedure Put on your safety goggles and gloves. Fuel. So if we add up equation one and two, it will be seal too. 0000028498 00000 n
PDF Chapter 2 Stationary Combustion - Iges Weigh an empty can to the nearest .01 gram.
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data table 2: heating and combustion - Emch-angus.ch Effect of inhibitors on the thermodynamics and kinetics of spontaneous combustion of coal. Guo J, Yan H, Liu Y, Li SS. Solar PV and wind refer to the annual growth in generation. The addition of 3.15g of Ba (OH)2 2O to a solution of 1.52g of NH4SCN in 100g of water in a calorimeter caused the temperature to fall by 3.1C. Most Points Scored In The 4th Quarter Nba, . J Therm Anal Calorim (2023). Combustion systems consist of many different gases, so the thermodynamic properties of a mixture result from a Course Hero is not sponsored or endorsed by any college or university. Fan HH, Wang K, Zhai XW, Hu LH. Investigation of mechanism and kinetics of non-isothermal low temperature pyrolysis of perhydrous bituminous coal by in-situ FTIR. Chu RZ, Wu JX, Meng XL, Wan YZ, Miao ZY, Yu S, et al. Chapter 2 Thermodynamics of Combustion 2.1 Properties of Mixtures The thermal properties of a pure substance are described by quantities including internal energy, u, enthalpy, h, specic heat, c p, etc. consumption are presented in Columns 2 through 13 of Table A-10. 2020;275:117981. Combustion kinetics and mechanism of pre-oxidized coal with different oxygen concentrations. 5: Find Enthalpies of the Reactants. Combustion reactions are exothermic so the value for the enthalpy change (\(\Delta H\)) is always negative. J Energy Inst. 2021;42:295375. Provided by the Springer Nature SharedIt content-sharing initiative, Over 10 million scientific documents at your fingertips, Not logged in ?QIYfY6BB> $7]g2DL54,IuLtDcFu,/0FCNyoD#"},;QF(O:JrLFer Then, the heat of combustion can be calculated from the standard enthalpy of formation (Hf) of the substances involved in the reaction, given as tabulated values.
(CHERIC) | | KDB | Pure Component Properties Hence, the amount of heat produced for C 2 H 2 (g) will be -44.97 kJ/gram. How do we get how do we form the icy? Chapter 14 Chemical Reactions 14-33 14-57 Ethane gas is burned with stoichiometric amount of air during a steady-flow combustion process. See Answer Signup for our weekly newsletter to get the latest news, updates and stay in the loop to find out what parents are talking about delivered directly in your inbox. Given the high energy density of gasoline, the exploration of alternative media to store the energy of powering a car, such as . J.QY7Se\vEG]}xK]@PwXJGx_=*| G4d'#hF6`ry,#7@ z}4J0a&u06#%n%YeQws).2f uK3>="[1bi?Vlmq9JO$eF{ {_"#\qjj&/a(DE1M'! \KA)x(R ) Journal of Thermal Analysis and Calorimetry We don't collect information from our users. The table below shows values of heat of combustion calculated after the above described method. Table 2 Process H / kJ mol1 N 2 (g) + 3H 2 (g) 2NH 3 (g) 92 N 2 1.4 Natural Gas Combustion 1.4.1 General1-2 Natural gas is one of the major combustion fuels used throughout the country. B) become acidic. The rate of heat transfer from the combustion chamber is to be determined. x\[o8~Gk0U)0Mng1RdQGQ/y,zuf;MO^bnv&{~y{E:?iq1(*8% '?w0Nn4$M$-.? Onifade M. Countermeasures against coal spontaneous combustion: a review. For the most recent emissions factors, supported by the EPA, please see thetable of contents above. Thermogravimetric analysis of the effects of four ionic liquids on the combustion characteristics and kinetics of weak caking coal. 2000;79:70116. 1.5 Liquified Petroleum Gas Combustion Final Section - Updated, July 2008 (PDF) (4 pp, 29K) Background Document (PDF) (40 pp, 129K) 1.6 Wood Residue Combustion in Boilers Final Section - Updated April 2022 (pdf) (388.54 KB) (20 pp, 400K) Background Document (PDF) (37 pp, 72K) Was I too? Observation of Physical and Chemical Changes, Observations of Chemical and Physical Changes. Describe the similarities and/or differences between heating and burning the magnesium metal. Question Ethanol (C 2 H 5 OH) was placed in a spirit burner and used to heat 200 cm 3 of . We don't save this data. Price excludes VAT (USA) The heat of combustion of a substance at 25 C can be calculated from the enthalpy of formation ( fH ) data in the table "Standard Thermodynamic Properties of Chemical Substances" in this section. Social Media Analytics Report Template Excel, Gas explosion suppression by ammonium dihydrogen phosphate-modified dry water powder. Notes. Significantly, the burnout temperature was mainly affected by the heating rate, and the maximum exothermic peak temperature was affected by the metamorphic degree. . Google Scholar. The standard enthalpy of combustion The energy released when one mole of a substance is burned in excess oxygen, It is given the symbol Hc. Combust Sci Technol. Christmas Family Portraits Near Glasgow, The microphysical properties of coal were studied by the proximate and ultimate analyzer, and scanning electron microscope, then the coal combustion characteristics were compared by simultaneous thermalanalyzer. Spontaneous combustion can occur when a substance with a relatively low ignition temperature (hay, straw, peat, etc.) Table 2.1 shows clearly that for most of these organic compounds, . Compared to the expected value of magnesium's heat of combustion, we were very close. Course Hero is not sponsored or endorsed by any college or university. Combust Sci Technol. Combustion is another word for burning. In a bomb calorimeter asample is burned . Van der Waals Volume (VDWV) NA: Van der Waals Area (VDWA) NA: The first is your H at 298 K. I used values of $\Delta H_f$ from the appendix and got a standard reaction enthalpy of -802.34 kJ/mol (remember to use H2O (g) and not H2O (l)). Zhang H, Dou BL, Li JJ, Zhao LF, Wu K. Thermogravimetric kinetics on catalytic combustion of bituminous coal. endobj
2021;193:96786. - 148.72.214.245. These applications will - due to browser restrictions - send data between your browser and our server.
The change in mass when magnesium burns | Experiment | RSC Education %PDF-1.7
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PDF 1.5 Liquefied Petroleum Gas Combustion - US EPA Expert Answer. C) condense. Mo WL, Wu ZF, He XQ, Qiang WJ, Wei B, Wei XY, et al.
VCL 4-5: Heat of Combustion: Chicken Fat - YUMPU However no visible change during heating.
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Hess's Law Labs - Google Docs 2016;172:110. Students should all be standing and should wear eye protection. Mouseover on the chart to see the element name andHeat of Combustion of the element. Weigh the candle with attached lid to the nearest 0.01 gram. 15. . Initial Heating Burning 1.gray-white white . As the percentage of biochar increased from 25 wt% to 100 wt%, the carbon contents increased from 22.65 wt% to 32.88 wt%, while the volatile matter decreased from 37.21 wt% to 20.30 wt%, as shown in Table 2. %PDF-1.2
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Heat of Formation Table for Common Compounds - ThoughtCo Table 2 Process H / kJ mol1 N 2 (g) + 3H 2 (g) 2NH 3 (g) 92 N 2
Secure .gov websites use HTTPS D) decrease in temperature. 2018;229:3443. C p,gas: Constant pressure heat capacity of gas: S gas Entropy of gas at standard conditions: S gas,1 bar Entropy of gas at standard conditions (1 bar) c H gas: Enthalpy of combustion of gas at standard conditions Qi HL, Sun R, Peng JB, Meng XX, Cao Z, Wang ZZ, et al. Pyrolysis kinetic analysis of sequential extract residues from Hefeng sub-bituminous coal based on Coats-Redfern method. Nature. Data Table 2: Heating and Combustion Chemical Initial Observations Heating Observations Burning Observations Mg Zn CuCO3 Cu (NO3)2 Procedure Put on your safety goggles and gloves. Zhang Y, Li Y, Huang Y, Li SS, Wang WF. Use the data in Table T2 to calculate S for the combustion reaction of liquid isooctane with O 2 (g) to give CO 2 (g) and H 2 O (g) at 298 K. Given: standard molar entropies, reactants, and products Asked for: S Strategy: Write the balanced chemical equation for the reaction and identify the appropriate quantities in Table T2. Expert Answer. Net Heat of Combustion(per unit mass fuel), HOCf.
PDF 1.3 Fuel Oil Combustion - Epa.gov Parameters of the combustion process and grate burner sizing for different mixtures. The only values that differ more than 2% are GREET vs. EIA liquefied petroleum gas (LPG) as well as GREET vs. TEDB liquefied and compressed natural gas. Int J Coal Prep Util. Week 5 Ionization and Electron Affinity Answers, SOLUTION P IP Where Pselling price Irequired A company using activity based, Two models of common morality were discussed in class The model that protects, 05 Phase Transition of Ferromagnetic Material (1).docx, Frankie Grandes younger sister Ariana Grande has a flourishing singing career a, 8 Sundry Debtors which are all unsecured and considered good include Rs 10000, small roughly 7 billion in 2007 However the risk transfer is large because most, Lazonick - The Corporation in Economics 2015 (1).pdf, Smusah_DevelopingAPhilosophyofNursing_080220.docx, Version 30 10 What is the main purpose of the last paragraph A To encourage, 33 until the trial or further order The defendant disagrees and refuses to stop, Screenshot_2023-02-05-21-07-04-20_40deb401b9ffe8e1df2f1cc5ba480b12.jpg, A Maintaining the clients functional independence B Providing health education C, Do the results warrant examining our current practice for changes Yes No. Sucrose. C. Set up the equipment (as in illustration) so that the I'll explain afterwards. Effect of a combined process on pyrolysis behavior of huolinhe lignite and its kinetic analysis. Also, we first into right out of the equation, Um, first with Adam equation one than to.
physical chemistry - Temperature dependence of reaction enthalpy Sep 2013 - Oct 20163 years 2 months.
PDF THE CHEMKIN THERMODYNAMIC DATABASE - University Of Notre Dame Qu LN, Song DZ, Tan B. Experiment 2 Data Table Data Table 2: Heating and combustion Chemical Initial Observations Mg Heating Observations Burning Observations Zn Cucos Cu (NO3)2. 2018;13:e0202724. Use the AP-42 Chapter webpage links below to access the document by chapter. loss -2.91 Total 144043 81.91 3331 30356 . Wiktorsson LP, Wanzl W. Kinetic parameter for coal pyrolysis at low and high heating rates-a comparison of data from different laboratory equipment. We found that acute effects of heatnotburn cigarettes, electronic vaping cigarettes, and TCs are different on several oxidative stress, antioxidant reserve, platelet function, cardiovascular, and satisfaction dimensions, with TCs showing the most detrimental changes in clinically relevant features, thus suggesting that these modified risk products may . Heating values listed in the three sources are in general agreement. Who are the experts? AddThis use cookies for handling links to social media. To submit comments, please email efcomments@epa.gov. Exercise 2: Heating and Combustion. Van der Waals Volume (VDWV) NA: Van der Waals Area (VDWA) NA: UNIQUAC Ri Parameter (RI) NA: It is mainly used to generate industrial and utility electric power, produce industrial process steam and heat, and heat residential and commercial space. Coal spontaneous combustion often occurs in coal seam mining, which may lead to mine fires and other disasters. We review their content and use your feedback to keep the quality high. 2013;104:55966. data table 2: heating and combustion. (Thanks to David Bayless for his assistance in writing this section) Introduction - Up to this point the heat Q in all problems and examples was either a given value or was obtained from the First Law relation.
data table 2: heating and combustion - Krothi-shop.de Wang, Q., Lu, X., Ma, C. et al. Use these data and the equation for the reaction of iron(III) oxide with carbon monoxide to calculate a value for the standard enthalpy of formation for carbon dioxide. Observe the physical properties of the 4 chemicals (color and state of matter) and record in Data Table 2 under .
PDF Combustion Fundamentals - California Institute of Technology Skip navigation . Show your working. 2020;279:118485. J Energy Inst. . football teams in coventry looking for players.
Randy Yu - Director of Energy Data - Tesla | LinkedIn I'll explain afterwards.
6.7: Tabulated Enthalpy Values - Chemistry LibreTexts Combustion systems consist of many different gases, so the thermodynamic properties of a mixture result from a The table below shows values of heat of combustion calculated after the above described method.
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Research on the critical temperature and stage characteristics for the spontaneous combustion of different metamorphic degrees of coal. Table \PageIndex {1} Heats of combustion for some common substances. 1) For H2O you should use the heat capacity of steam, not water; Table 2B.1 only gives that of water (it says liquids). Chapter 11: Combustion (Updated 5/31/10) Chapter 11: Combustion.
Heat of Combustion Calculator For substances containing nitrogen, it is assumed that the nitrogen atoms ends up as N2 gas withHf(N2) = 0 kJ/mol. A. Enthalpy Data. PubMed Adjusted consumption data for years 1990, 1995, 2000, 2005, and 2010-2019 are presented in Columns 2 through 8 of Table A-12 through Table A-24 with totals by fuel type in Column 8 and totals by end-use sector in the last rows.1 Fuel consumption data for the bottom-up approach .