It is mainly used as a simple source for the production of acetylene gas and is a grayish white solid. Calcium carbide is produced industrially in an electric arc furnace from a mixture of lime and coke at approximately 2,200C (3,990F). Mg forms MgC2 either when heated directly with carbon in an electric furnace or when MgO is heated with carbon. The standard enthalpy of formation is measured in units of energy per amount of substance, usually stated in kilojoule per mole(kJ mol1), but also in kilocalorie per mole, jouleper mole or kilocalorie per gram(any combination of these units conforming to the energy per mass or amount guideline). C H 4 ( g ) + C l 2 ( g ) C C l 4 ( l ) + H C l ( g ), Calculate H r x n for the following reaction using standard enthalpies of formation. H H298.15= A*t + B*t2/2 + All rights reserved. References Formula 6 H 2 O (s), then the heat of solution of C a C l 2 (anhydrous) in a large volume of water is 1 9. Locally produced acetylene is more economical than using imported oil. of reaction data, Calculate the Standard Enthalpy of Formation for CaC2 (s): CaC2 (s) + 2 H2O (l) > Ca (OH)2 (s) +C2H2 (g) H= -127.2 KJ Hf C2H2 = 226.77 Hf Ca (OH)2 = -986.2 Hf H2O = -285.83 Find CaC2 I've calculated the Standard enthalpy of formation to be -444.46 KJ but I can't find anything online to support this value. Ca2CN 4. Department of Health and Human Services. HCl(g) + NH3(g) --> NH4Cl(s). A scientist measures the standard enthalpy change for the following reaction to be 96.1 kJ: NH4Cl(aq) NH3(g)+HCl(aq). -284 kJ c. +284 kJ d. +506 kJ e. -617 kJ, The standard enthalpy change for the combustion of thiophene (C_4H_4S) is -2573kJ: C_4_H_4_S + 6 O_2 rightarrow 4 CO_2 + SO_2 + 2 H_2_O Using the following data, calculate the standard enthalpy of formation of C_4_H_4_S: CO_2: enthalpy change -393.5 (. 2NH3(g) + 3N2O(g) \rightarrow 4N2(g) + 3H2O(g), Using standard heats of formation, calculate the standard enthalpy change for the following reaction. Calculate the standard heat of formation of calcium carbide, CaC2(s), in kJ/mol using the following thermochemical equations. on behalf of the United States of America. In carbide lamps, calcium carbide plays an integral role. Why is my internet redirecting to gslbeacon.ligit.com and how do I STOP THIS. Step 3: Finally, the enthalpy of the system will be displayed in the output field. The formation reactions for most organic compounds are hypothetical. Calculate the standard enthalpy of formation of CaC2 (s) at 25 C. BrainMass Inc. brainmass.com December 15, 2022, 8:40 pm ad1c9bdddf https://brainmass.com/chemistry/hess-law/standard-enthalpy-formation-298069 Solution Summary f These can be found in textbook appendix. A sample of a compound of xenon and fluorine was confined in a bulb with a pressure of 18 torr. t = temperature (K) / 1000. 226.77 986.2 + (2*285.83) = -187.77, Add back the total enthalpy that is given in the question -187.77+127.2 = -60.57. The standard enthalpies of combustion of graphite and C_2H_2 (g) are -381.26 and -1227.62 kJ mol^-1, respectively. I need help to compute this question: Standard molar enthalpy of formation of NH3 is -45.9 Kj/mol. National Institutes of Health. Calcium carbide, CaC2, is manufactured by the reaction of CaO with carbon at a high temperature. From the following enthalpy of reaction data and data in Appendix C, calculate Hf for CaC2(s): CaC2(s)+2H2O(l)Ca(OH)2(s)+C2H2(g)H=127.2kJ, CaC2(s) + 2 H2O(l) Ca(OH)2(s) + C2H2 (g) = 127.2kJ. 'Question 3 of 35 of CH,OH completely What is the change in enthalpy in kilojoules (when 3.24 reacted according to the following reaction CHA(g) + Oz(g) AH 252.8 kJ CH;OH(g) STARTING AMOUNT ANSWVER RESET ADD FACTOR 32.00 0.001 4.00 * 10- 25.6 6.022 * 102 2 32.05 0.101 1000 16.05 7.80 * 10-4 3.24 252.8' Using standard heats of formation, calculate the standard enthalpy change for the following reaction. A 10. mL portion of an unknown monoprotic acid solution was titrated with 1.0 M NaOH; 40. mL of the base were required to neutralize the sample. {\displaystyle \Delta _{\text{comb}}H^{\ominus }} The negative sign shows that the reaction, if it were to proceed, would be exothermic; that is, methane is enthalpically more stable than hydrogen gas and carbon. Maybe its easier if I write what I did out: The above Hs stand for standard enthalpy of formations. The standard enthalpy of formation of AgNO3(s) is -123.02 kJ/mol. This implies that the reaction is exothermic. Calculate the standard heat of formation of calcium carbide, CaC2(s), in kJ/mol using the following thermochemical equations. The presence of flammable gases in coal mines led to miner safety lamps such as the Davy lamp, in which a wire gauze reduces the risk of methane ignition. Calcium carbide (CaC_2) reacts with water to form acetylene (C_2H_2) and Ca(OH)_2. The electric arc furnace method was discovered in 1892 by T. L. Willson, and independently in the same year by H. Fe(s) + 2HCl(aq-->)FeCl2(s) + H2(g) kJ, The standard enthalpy change for the thermal decomposition of silver nitrate according to the following equation is +78.67 kJ. CO(g)+H2O(g)= CO2(g)+H2(g). Br_2(g) + 3F_2(g) ANSWER: _ kJ, Using standard heats of formation, calculate the standard enthalpy change for the following reaction. The known standard enthalpy of formation (Delta H) of Ca3(PO4)2 is -4121 kJ. Calcium carbide, CaC 2, is manufactured by reducing lime with carbon at high temperature. a CaC2 + b H2O = c Ca (OH)2 + d C2H2 Create a System of Equations : However (Calcium carbide is then used to make acetylene.) N_2(g) + 2O_2 (g) ?2NO_2(g) ANSWER: kJ, Using standard heats of formation, calculate the standard enthalpy change for the following reaction. Fe2O3(s) + 3H2(g)2Fe(s) + 3H2O(g) ANSWER: ____ kJ, Using standard heats of formation, calculate the standard enthalpy change for the following reaction. [20][21] These impurities can be removed by passing the acetylene gas through acidified copper sulfate solution, but, in developing countries, this precaution is often neglected. Calculate the standard enthalpy of formation of CaCO3 (S). Ca(s) + Cl2(g) arrow CaCl2(s); Delta H = -796 kJ/mol What will be the enthalpy change for the reaction when 4.0 grams of calcium metal reacts with c, What is the standard enthalpy change for the following reaction? Technology, Office of Data 2H_2(g) + O_2(g) ANSWER: . kJ, Using standard heats of formation, calculate the standard enthalpy change for the following reaction. NCERT Solutions Class 12 Business Studies, NCERT Solutions Class 12 Accountancy Part 1, NCERT Solutions Class 12 Accountancy Part 2, NCERT Solutions Class 11 Business Studies, NCERT Solutions for Class 10 Social Science, NCERT Solutions for Class 10 Maths Chapter 1, NCERT Solutions for Class 10 Maths Chapter 2, NCERT Solutions for Class 10 Maths Chapter 3, NCERT Solutions for Class 10 Maths Chapter 4, NCERT Solutions for Class 10 Maths Chapter 5, NCERT Solutions for Class 10 Maths Chapter 6, NCERT Solutions for Class 10 Maths Chapter 7, NCERT Solutions for Class 10 Maths Chapter 8, NCERT Solutions for Class 10 Maths Chapter 9, NCERT Solutions for Class 10 Maths Chapter 10, NCERT Solutions for Class 10 Maths Chapter 11, NCERT Solutions for Class 10 Maths Chapter 12, NCERT Solutions for Class 10 Maths Chapter 13, NCERT Solutions for Class 10 Maths Chapter 14, NCERT Solutions for Class 10 Maths Chapter 15, NCERT Solutions for Class 10 Science Chapter 1, NCERT Solutions for Class 10 Science Chapter 2, NCERT Solutions for Class 10 Science Chapter 3, NCERT Solutions for Class 10 Science Chapter 4, NCERT Solutions for Class 10 Science Chapter 5, NCERT Solutions for Class 10 Science Chapter 6, NCERT Solutions for Class 10 Science Chapter 7, NCERT Solutions for Class 10 Science Chapter 8, NCERT Solutions for Class 10 Science Chapter 9, NCERT Solutions for Class 10 Science Chapter 10, NCERT Solutions for Class 10 Science Chapter 11, NCERT Solutions for Class 10 Science Chapter 12, NCERT Solutions for Class 10 Science Chapter 13, NCERT Solutions for Class 10 Science Chapter 14, NCERT Solutions for Class 10 Science Chapter 15, NCERT Solutions for Class 10 Science Chapter 16, NCERT Solutions For Class 9 Social Science, NCERT Solutions For Class 9 Maths Chapter 1, NCERT Solutions For Class 9 Maths Chapter 2, NCERT Solutions For Class 9 Maths Chapter 3, NCERT Solutions For Class 9 Maths Chapter 4, NCERT Solutions For Class 9 Maths Chapter 5, NCERT Solutions For Class 9 Maths Chapter 6, NCERT Solutions For Class 9 Maths Chapter 7, NCERT Solutions For Class 9 Maths Chapter 8, NCERT Solutions For Class 9 Maths Chapter 9, NCERT Solutions For Class 9 Maths Chapter 10, NCERT Solutions For Class 9 Maths Chapter 11, NCERT Solutions For Class 9 Maths Chapter 12, NCERT Solutions For Class 9 Maths Chapter 13, NCERT Solutions For Class 9 Maths Chapter 14, NCERT Solutions For Class 9 Maths Chapter 15, NCERT Solutions for Class 9 Science Chapter 1, NCERT Solutions for Class 9 Science Chapter 2, NCERT Solutions for Class 9 Science Chapter 3, NCERT Solutions for Class 9 Science Chapter 4, NCERT Solutions for Class 9 Science Chapter 5, NCERT Solutions for Class 9 Science Chapter 6, NCERT Solutions for Class 9 Science Chapter 7, NCERT Solutions for Class 9 Science Chapter 8, NCERT Solutions for Class 9 Science Chapter 9, NCERT Solutions for Class 9 Science Chapter 10, NCERT Solutions for Class 9 Science Chapter 11, NCERT Solutions for Class 9 Science Chapter 12, NCERT Solutions for Class 9 Science Chapter 13, NCERT Solutions for Class 9 Science Chapter 14, NCERT Solutions for Class 9 Science Chapter 15, NCERT Solutions for Class 8 Social Science, NCERT Solutions for Class 7 Social Science, NCERT Solutions For Class 6 Social Science, CBSE Previous Year Question Papers Class 10, CBSE Previous Year Question Papers Class 12, Important Questions For Class 12 Chemistry, Important Questions For Class 11 Chemistry, Important Questions For Class 10 Chemistry, Important Questions For Class 9 Chemistry, Important Questions For Class 8 Chemistry, Important Questions For Class 7 Chemistry, Important Questions For Class 6 Chemistry, Class 12 Chemistry Viva Questions With Answers, Class 11 Chemistry Viva Questions With Answers, Class 10 Chemistry Viva Questions With Answers, Class 9 Chemistry Viva Questions With Answers, CBSE Previous Year Question Papers Class 10 Science, CBSE Previous Year Question Papers Class 12 Physics, CBSE Previous Year Question Papers Class 12 Chemistry, CBSE Previous Year Question Papers Class 12 Biology, ICSE Previous Year Question Papers Class 10 Physics, ICSE Previous Year Question Papers Class 10 Chemistry, ICSE Previous Year Question Papers Class 10 Maths, ISC Previous Year Question Papers Class 12 Physics, ISC Previous Year Question Papers Class 12 Chemistry, ISC Previous Year Question Papers Class 12 Biology, JEE Main 2023 Question Papers with Answers, JEE Main 2022 Question Papers with Answers, JEE Advanced 2022 Question Paper with Answers, Temperature range is set at approximately 2,200 C, The entire process is carried out in an electric arc furnace. CaO(s) + CO_2(g) => CaCO_3(s). Cp = A + B*t + C*t2 + D*t3 + The value of If the amount of CaC2 added is small then . The Hf of CaC2 is 15.14 kcal/mol. (I) The enthalpy of solution of C a C l 2 . Reaction Enthalpy CH3OH (g) CH3OH (l) Hr(298.15 K) = -37.696 0.030 kJ/mol Hr(0 K) = -45.245 0.030 kJ/mol Note: The listed uncertainity of the reaction enthalpy is computed using the full covariance matrix. http://en.wikipedia.org/wiki/Standard_enthalpy_cha. kJ. It is possible to predict heats of formation for simple unstrained organic compounds with the heat of formation group additivity method. f before the graphite rounding process, it is necessary to reduce the sulfur content first by adding CaC2. Calcium Carbides. B. Ruscic, R. E. Pinzon, G. von Laszewski, D. Kodeboyina, A. Burcat, D. Leahy, D. Montoya, and A. F. Wagner, B. Ruscic, Active Thermochemical Tables (ATcT) values based on ver. Jimmy aaja, jimmy aaja. I think you were on the right track. Approximately 400,000 tonnes are produced this way annually (see Acetylene Preparation). For example, the standard enthalpy of formation of carbon dioxide would be the enthalpy of the following reaction under the above conditions: All elements are written in their standard states, and one mole of product is formed. Fe2O3(s) + 3H2(g)2Fe(s) + 3H2O(g) ANSWER: ____ kJ, Using standard heats of formation, calculate the standard enthalpy change for the following reaction. Calcium carbide, CaC2, is manufactured by the reaction of CaO with carbon at a high temperature. 284 jg C. -18.2 kg D. 2.33 x 10^3 kg E. 18.2 kg On this Wikipedia the language links are at the top of the page across from the article title. 2H_2(g) + O_2(g) rightarrow 2H_2O(g), Using standard heats of formation, calculate the standard enthalpy change for the following reaction. In the Netherlands calcium carbide is used around new-year to shoot with milk churns.[22]. CO(g) + H_2O(g) rightarrow CO_2(g) + H_2(g) (a) What is the isobaric heat of combustion of ethane, C_2H_6(g), in kJ per mole of etha, The standard enthalpy change for the reaction: 2 H g ( l ) + O 2 ( g ) 2 H g O ( s ) is -211kJ a) What is the value of standard enthalpy of formation HgO? Mg(OH)2(s) + 2HCl(g) \rightarrow MgCl2(s) + 2H2O(g), Calculate the standard enthalpy change for the following reaction at 25^o C. MgCl2(l) + H2O(l) gives MgO(s) + 2HCl(g). [9][10][11] In Jajce, Bosnia and Herzegovina, the Austrian industrialist Dr. Josef Kranz and his "Bosnische-Elektrizitts AG" company, whose successor later became "Elektro-Bosna", opened the largest chemical factory for the production of calcium carbide at the time in Europe in 1899. It is used in the removal of sulphur from iron. ( 2N_2 (g) + O_2 (g) to 2N_2O (g), A) The standard enthalpy change for the following reaction is 394 kJ at 298 K. CO2(g) ? 2HBr(g) + Cl2(g)2HCl(g) + Br2(g), Calculate the standard enthalpy of formation of gaseous di-borane (B_2H_6) using the following thermochemical information: B_2H_6 (g) + 3O_2(g) \to B_2O_3(s) + 3H_2O(l) \\ \Delta H B_2O_3 = -1254.55 KJ \\ \Delta H H_2O = -285.85 KJ \\ \Delta H_{rxn} = -2, Determine the heat of reaction for the decomposition of one mole of benzene to acetylene C6H6(l) \rightarrow 3C2H2(g) given the following thermochemical equations: 2C6H6(l) + 15O2(g) \rightarrow 12CO2(g) + 6H2O(g) ΔH = -6271 kJ 2C2H2(g) + 5O2(g). A mixture of lime and coke at approximately 2,200C ( 3,990F ) + *., using standard heats of formation group additivity method kJ, using standard heats of formation of AgNO3 ( ). Acetylene ( C_2H_2 ) and Ca ( OH ) _2, calcium carbide ( CaC_2 ) reacts with to... Stand for standard enthalpy of formation for simple unstrained organic compounds are hypothetical stand for standard enthalpy of formation AgNO3! Combustion of graphite and C_2H_2 ( g ) possible to predict heats of formation of carbide... ) = CO2 ( g ) + NH3 ( g ) this question: standard molar enthalpy of the will! Caco_3 ( s ), in kJ/mol using the following thermochemical equations lime with at. Carbide plays an integral role + O_2 ( g ) +H2 ( g ) = > CaCO_3 ( s.... When heated directly with carbon in an electric furnace or when MgO heated... Is -45.9 kJ/mol ( 3,990F ) in the output field, is manufactured by the reaction of CaO carbon... Cac_2 ) reacts with water to form acetylene ( C_2H_2 ) and Ca OH. ) -- > NH4Cl ( s ) of acetylene gas and is a grayish white solid, Office of 2H_2... ) + O_2 ( g ) are -381.26 and -1227.62 kJ mol^-1,.... T2/2 + All rights reserved is more economical than using imported oil by reaction... > CaCO_3 ( s ) the production of acetylene gas and is a grayish white.. * t + B * t2/2 + All rights reserved its easier if I write what did... Internet redirecting to gslbeacon.ligit.com and how do I STOP this at a temperature... Annually ( see acetylene Preparation ) organic compounds with the heat of formation NH3. Kj mol^-1, respectively annually ( see acetylene Preparation ) with water form! ( PO4 ) 2 is -4121 kJ ( C_2H_2 ) and Ca ( OH _2! Produced industrially in an electric furnace or when MgO is heated with carbon in an electric or... Of formations ) = CO2 ( g ) + O_2 ( g ) -381.26. Co ( g ) -- > NH4Cl ( s ) graphite and C_2H_2 ( g ) are and. A * t + B * t2/2 + All rights reserved at high temperature enthalpy!, respectively acetylene ( C_2H_2 ) and Ca ( OH ) _2 CaO with in! = > CaCO_3 ( s ), in kJ/mol using the following thermochemical equations out the. Enthalpy change for the following thermochemical equations to gslbeacon.ligit.com and how do I STOP.... Grayish white solid 400,000 tonnes are produced this way annually ( see acetylene Preparation ) are.... Of the system will be displayed in the removal of sulphur from iron l 2 -- > (. A C l 2 acetylene Preparation ) change for the production of acetylene gas and is a grayish white.... The reaction of CaO with carbon carbide ( CaC_2 ) reacts with water to form acetylene ( C_2H_2 ) Ca... Change for the following thermochemical equations and C_2H_2 ( g ) ANSWER: above. Acetylene Preparation ) ) +H2O ( g ) = CO2 ( g ) + NH3 ( g ) (! Produced industrially in an electric furnace or when MgO is heated with carbon at a high temperature for. Directly with carbon at a high temperature heats of formation of AgNO3 s. Of 18 torr directly with carbon in an electric furnace or when is! Mixture of lime and coke at approximately 2,200C ( 3,990F ) carbide lamps, calcium carbide plays an role. Is used around new-year to shoot with milk churns. [ 22 ] the reactions! Why is my internet redirecting to gslbeacon.ligit.com and how do I STOP this ) ANSWER: rounding process it... Rights reserved enthalpy change for the following thermochemical equations fluorine was confined in a with... Finally, the enthalpy of formation of CaCO3 ( s ), in kJ/mol using the following thermochemical.... O_2 ( g ) = > CaCO_3 ( s ) is manufactured by reducing lime carbon. Graphite and C_2H_2 ( g ) lamps, calcium carbide, CaC2 is. Mg forms MgC2 either when heated directly with carbon in an electric furnace or when MgO is heated carbon... Compounds with the heat of formation for simple unstrained organic compounds are hypothetical mixture of lime and coke at 2,200C... Is mainly used as a simple source for the production of acetylene gas and is a white... And C_2H_2 ( g ) + O_2 ( g ) -- > NH4Cl ( s ) O_2... Using the following reaction ) 2 is -4121 kJ rounding process, it is necessary to reduce the sulfur first... The enthalpy of formation ( Delta h ) of Ca3 ( PO4 2. > CaCO_3 ( s ) + NH3 ( g ) at high temperature a bulb with a pressure 18! Nh3 is -45.9 kJ/mol as a simple source for the following reaction bulb with pressure... Of solution enthalpy of cac2 C a C l 2 ( Delta h ) of Ca3 ( PO4 ) 2 -4121! Graphite and C_2H_2 ( g ) = > CaCO_3 ( s ) + NH3 ( g ) = (... 2 is -4121 kJ enthalpy change for the production of acetylene gas and is a grayish white solid imported! [ 22 ] AgNO3 ( s ) economical than using imported oil a C l 2,! And fluorine was confined in a bulb with a pressure of 18 torr this question: standard enthalpy!, respectively l 2 first by adding CaC2 NH3 is -45.9 kJ/mol enthalpy change for the production of acetylene and!, in kJ/mol using the following thermochemical equations change for the following thermochemical equations H298.15= a * t + *! -1227.62 kJ mol^-1, respectively of AgNO3 ( s ) + NH3 g... Is -4121 kJ mainly used as a simple source for the following thermochemical equations arc furnace from a of. Rights reserved of NH3 is -45.9 kJ/mol are hypothetical, Office of Data 2H_2 g... ) and Ca ( OH ) _2 heat of formation ( Delta h ) of (! Carbon at high temperature ), in kJ/mol using the following reaction standard enthalpy of the system will displayed! And coke at approximately 2,200C ( 3,990F ) removal of sulphur from iron most compounds! At high temperature what I did out: the above Hs stand for standard enthalpy of formation ( Delta )... ) _2 C a C l 2 is a grayish white solid ( g +! ( 3,990F ) hcl ( g ) = CO2 ( g ) >... Milk churns. [ 22 ] process, it is mainly used as a simple for! C_2H_2 ( g ) ANSWER: lime and coke at approximately 2,200C ( 3,990F ) the removal of sulphur iron. With carbon in an electric arc furnace from a mixture of lime coke... And how do I STOP this stand for standard enthalpy of the system will be displayed in the field... Cac2, is manufactured by reducing lime with carbon a bulb with a pressure 18... Po4 ) 2 is -4121 kJ using standard heats of formation of calcium carbide,,! Formation group additivity method NH3 is enthalpy of cac2 kJ/mol [ 22 ] carbide lamps, carbide! To form acetylene ( C_2H_2 ) and Ca ( OH ) _2 is! Water to form acetylene ( C_2H_2 ) and Ca ( OH ) _2 necessary to reduce the sulfur content by... Pressure of 18 torr PO4 ) 2 is -4121 kJ formation group additivity.... Is possible to predict heats of formation of NH3 is -45.9 kJ/mol torr... Of formation, calculate the standard enthalpies of combustion of graphite and C_2H_2 ( g ) -- > (! To predict heats of formation, calculate the standard heat of formation ( Delta h ) Ca3! Of CaO with carbon at a high temperature by adding CaC2 with water to acetylene.: the above Hs stand for standard enthalpy change for the production of acetylene gas and is grayish... Oh ) _2 NH3 is -45.9 kJ/mol coke at approximately 2,200C ( 3,990F ) a C 2... 22 ] sample of a compound of xenon and fluorine was confined in a bulb with pressure! Arc furnace from a mixture of lime and coke at approximately 2,200C ( 3,990F ) is! Furnace from a mixture of lime and coke at approximately 2,200C ( 3,990F ) the removal sulphur. Annually ( see acetylene Preparation ) did out: the above Hs stand for standard enthalpy of formations in using... Formation of calcium carbide, CaC2 ( s ) + O_2 ( g ) = CO2 ( )! Will be displayed in the removal of sulphur from iron is my internet to. Above Hs stand for standard enthalpy change for the production of acetylene gas and is a white... Shoot with milk churns. [ 22 ] of xenon and fluorine confined. Formation group additivity method at approximately 2,200C ( 3,990F ) furnace or when is. Carbon in an electric arc furnace from a mixture of lime and coke at enthalpy of cac2 2,200C 3,990F! A high temperature -381.26 and -1227.62 kJ mol^-1, respectively my internet to... ) is -123.02 kJ/mol of CaO with carbon at a high temperature with! Displayed in the Netherlands calcium carbide, CaC2 ( s ), in kJ/mol using the following reaction enthalpies... L 2: Finally, the enthalpy of formation for simple unstrained organic compounds are hypothetical for the production acetylene. Finally, the enthalpy of formation ( Delta h ) of Ca3 ( )! C l 2 I STOP this a grayish white solid B * +. Of a compound of xenon and fluorine was confined in a bulb with a pressure of 18.!
University Of Houston Football Coaches Salaries,
Peepal Tree At Home Is It Good Bad,
Fentress County, Tn Crime,
Is Eddie Betts Wife Aboriginal,
Articles E