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enthalpy of cac2the making of on golden pond
We're being asked to determine the enthalpy of combustion or (ΔH˚ f) for C 2 H 2: C 2 H 2 (g) + (5/2)O 2 (g) ⇌ 2 CO 2 (g) + H 2 O (l) Heat of Reaction (Rxn) = -1299kJ/mol. Enthalpy,energy,rate of reaction Flashcards | Quizlet greater, since taking the calorimeter's heat capacity into account will compensate for the thermal energy transferred to the solution from the calorimeter; this approach includes the calorimeter itself, along with the solution, as "surroundings": q rxn = −(q solution + q calorimeter); since both q solution and q calorimeter are negative, including the latter term (q rxn) will . Experts are tested by Chegg as specialists in their subject area. 10 months ago. Complete combustion does NOT give carbon monoxide or soot.. Enthalpy of formation of h2 Can anyone tell me what the heat of formation would be for CaC2 in the reaction of CaC2 + H2O--> Ca(OH)2 + C2H2? PDF CHAPTER 6 THERMOCHEMISTRY - Oregon State University Standard Enthalpy of Formation Assignment Help - Essays By ... Standard Enthalpy of Formation Assignment Help From the following enthalpy of reaction data and data in Appendix C, calculate ΔH ∘f for CaC2 (s) : Calcium Carbide is the chemical name of CaC2. We know that 4HCl is a product. The above H's stand for standard enthalpy of formations. CaO (s) + 2 CO2 (g) + 5 H2 (g) is ?H°? ANSWER 0 Anonymous ANSWERS: 0. Should perivascular infiltration occur, I.V. PDF Answer on Question # 55533 - Chemistry - General chemistry Standard Enthalpy of Formation Assignment Help Assignment Calculate the standard enthalpy of formation of CaC2(s) at 25ºCSeveral reactions and their standard reaction enthalpies at 298.15 K are given here:CaC2(s)+2H2O(l)->Ca(OH)2(s)+C2H2(g) deltaHknot= -127.9kj/mol . Using data from the heat of formation table above, calculate the enthalpy of reaction for 3 + 3 H20(gy. enthalpy of cac2 - ConnectA Pharma (a) 5624 kca (b) 1.11 × 104 kcal (c) 86.24 × 10³ (d) 1100 kcal. What are the steps to the equation? Acetylene (aka ethyne, C2H2) reacts with oxygen (O2) to make carbon dioxide (CO2) and water (H2O). the δh . From the following enthalpy of reaction data and data in Appendix C, calculate ΔH∘f for CaC2 (s): CaC2 (s)+2H2O (l)→Ca (OH)2 (s)+C2H2 (g) ΔH∘=−127.2kJ. The enthalpy of combustion of acetylene C ... | Clutch Prep PDF Exothermic reaction - a reaction that gives off or produces ... Injections of calcium chloride are accompanied by peripheral vasodilatation as well as a local "burning" sensation and there may be a moderate fall in blood pressure. This page was last edited on 31 January 2021, at 15:30. ΔHf°(CaC2) =227.4 - 985.2 + 2x285.8 + 127.2 = -59.0 kJ/mol. 2C(s) + 2H2(g) + 52.5 kJ -> C2H4. The molar enthalpy of combustion for acetylene is -2599 kJ. Which of the following compounds is a strong electrolyte? The acetylene is (was) prepared in the lamp by the reaction of water with calcium carbide, CaC2: CaC2 (s) + 2H2O (l) Ca (OH)2 (s . The standard enthalpy of formation of BrF 3 (l) = -301 kJ mol -1 . Calculate the standard enthalpy of formation of CaC2(s) at 25ºCSeveral reactions and their standard reaction enthalpies at 298.15 K are given here:CaC2(s)+2H2O(l)->Ca(OH)2(s)+C2H2(g) deltaHknot= -127.9kj/mol . Rapid injection may cause the patient to complain of tingling sensations, a calcium taste, a sense of oppression or "heat wave". Substance (form) Enthalpy Δ f H (kJ): Gibbs Δ f G (kJ): Entropy (J/ K: Specific heat C P (J/K): Volume V(cm 3): Al (s) 0: 0: 28.33: 24.35: 9.99: Al 2 SiO 5 (kyanite)-2594.29-2443.88: 83.81: 121.71: 44.09: Al 2 SiO 5 (andalusite)-2590.27-2442.66 #2. We are to calculate the heat of following reaction. What are the steps to the equation? Calculation of the Standard Heat of Reaction from Heats of Combustion: Enthalpy of a Reaction: The enthalpy of a reaction is the energy change or the heat absorbed or released when a reaction takes place. The pure material is colorless, however pieces of technical-grade calcium carbide are grey or brown and consist of about 80-85% of CaC 2 (the rest is CaO (calcium oxide), Ca 3 P 2 (calcium phosphide . Use the following information: S(s) + (3/2)O2(g) > SO3(g) ΔH = 395.8 kJ 2SO2(g) + O2(g) > 2SO3(g) ΔH = 198.2 kJ 3. Calculate the standard enthalpy of formation of CaC2(s) at 25ºCSeveral reactions and their standard reaction enthalpies at 298.15 K are given here:CaC2(s)+2H2O(l)->Ca(OH)2(s)+C2H2(g) deltaHknot= -127.9kj/mol . Heat of formation: Species ∆ CaC2 (s) -15000 cal 2H2O (l) -68317.4 cal C2H2 (g) -54182.6 cal Ca(OH)2 (s) -235800 cal. Several reactions and their standard reaction enthalpies at 298.15 K are given here:CaC2 (s)+2H2O (l)->Ca (OH)2 (s)+C2H2 (g) deltaHknot=-127.9kj/molCa (s)+ (1/2)O2 (g)->CaO (s) deltaHknot=-635.1kj/molCaO (s)+H2O (l)->Ca (OH)2 (s) deltaHknot=-65.2kj/molThe standard enthalpies of combustion of . What is the color of precipitate formed by CaCl 2 + NaOH. Other processes use natural gas, which is mostly methane, or a petroleum-based hydrocarbon such as crude oil, naphtha, or bunker C oil as raw materials. The chemical reaction may be written as CaC 2 + 2 H 2 O → C 2 H 2 + Ca (OH) 2 . The standard enthalpy of formation is the enthalpy change when 1 mol of a pure substance is formed from its elements. c is the specific heat capacity of liquid water = 4.18 J/g°C. Calcium carbide (CaC2) reacts with water to form acetylene (C2H2) and Ca(OH)2. The product temperature is $1500^{\circ} \mathrm{C}$ and the fractional conversion of methane is 0.600 . Show Answer Assume that the specific heat capacity of both solution is the same as the specific heat capacity of water. It becomes the standard enthalpy of the reaction when the . 4 Energy Balances. Given: Δ,H"(Cao, s)-152 kcal/mol A, Ho (CaC2, s) -14 kcal/mol AH'(CO, g) =-26 kcal/mol (A) +112 kcal (C) 3840 kcal 3. For example, if we know that. though no longer used as auto headlamps, acetylene is still used as a source of light by some cave explorers. How much heat will be required at constant pressure to form 1.28 kg of CaC, from Cao(s) and C(S)? Ion Aqueous Ca2+ -542.7 Calcium carbide Solid CaC2'59.8 Calcium carbonate (Calcium) Solid CaCO3'1206.987 . You can view more similar questions or ask a new question. Answer: 1 question Calcium carbide (cac2) reacts with water to form acetylene (c2h2) and ca(oh)2. from the following enthalpy of reaction data and data in appendix c, calculate δh∘f for cac2(s): cac2(s)+2h2o(l)→ca(oh)2(s)+c2h2(g - the answers to estudyassistant.com Calculate the standard enthalpy of formation of CaC2(s) at 25ºCSeveral reactions and their standard reaction enthalpies at 298.15 K are given here:CaC2(s)+2H2O(l)->Ca(OH)2(s)+C2H2(g) deltaHknot= -127.9kj/mol . (A) CaC2(s) + 2H2O(l) → Ca(OH)2(s) + C2H2 (g); Δ H^∘ = - 127.9 kJ mol^-1 (B) Ca(s) + 12 O2(g) → CaO(s) ; Δ H = - 635.1kJ mol^-1 (C) CaO(s) + H2O(l) → Ca(OH)2(s); Δ H = - 65.2 kJ mol^-1 (D) C(s) + O2(s) → CO2(s) ; Δ H = - 393.5 kJ mol^-1 (E) C2H2(g) + 52O2(g) → 2CO2(g) + H2O(l); Δ H . 83 kJ/molDetermine the heat of formation of sulfuric acid, H2SO4 (l), from the following thermochemical equations: S8 (s)+8O2 (g)---->8SO2 (g) Delta H=-2374. calculate the standard enthalpy of the reaction. Please show all of your work and define any symbols used . (3 marks) Though no longer used as auto headlamps, acetylene is still used as a source of light by some cave explorers. . In the equilibrium system CH3COOH(aq) + H2O(l . So then you add them up. Should perivascular infiltration occur, I.V. S5.2.4. The specific heat capacity of water is 4.184 J/gK and the molar mass of . Chemistry Q&A Library thalpies of formation òf Appendix C, calculate the standard enthalpy of formation of (8). CaO(s) + 3C (s) â CaC2 (s) + CO(g) How much hcat in joules, is absorbed in a reaction in which 2.79 mol C (s) is consumed HP = +464.8 kJ under these conditions? To clear the input boxes â ¦ Calculate the standard enthalpy of formation of CaC2 (s) at 298.15 K using the information below: The standard enthalpies of combustion of graphite and C2H2 (g) are -393.51 and -1299.58 kJ mol-1, respectively. Thermochemistry - Problems Set #2 1. In the early days of automobiles, illumination at night was provided by burning acetylene, c2h2. where, Q is amount of heat absorbed by water (Q = 5.75 x 10⁵ J). A pure element in its standard state has a standard enthalpy of formation of zero. CU2(8), and H2O(1) from acetone. check_circle. From the following enthalpy of reaction data and data in Appendix C in textbook, calculate ΔHf° for CaC2(s): 3. Substance (cHo / kJ mol-1 C (s) -394 H2 (g) -286 . From the following enthalpy data calculate Delta Hf for CaC2 DeltaHf H2O=-285.83 kj/mol DeltaHf Ca (OH)2=-986.2 kj/mol DeltaHfC2H2=226.77 kj/mol Please. Rapid injection may cause the patient to complain of tingling sensations, a calcium taste, a sense of oppression or "heat wave". Click hereto get an answer to your question ️ From the following reactions at 298 K . 5 0. A mass of 0.338 g C2H2(g) is combusted in a bomb calorimeter. (3.10.1) Δ H f [ H 2 O ( l)] = - 285.8 kJ . administration at that site should be discontinued at once. This chemistry video tutorial explains how to calculate the enthalpy change of a reaction using the enthalpy of formations found in the appendix section of y. To calculate the enthalpy of combustion of acetylene, C_2H_2, all you have to do is use the standard enthalpies of formation of the reactants, C_2H_2 and O_2, and of the products, CO_2 and H_2O. The theoretical heat of formation of calcium carbide based on the heats of reaction of CaO, Co, and CaC2 has been calculated as 111.3 kcal/gm-mole for 100% CaC2 the latent heat of fusion is reported as 120 cal/gm and the average specific heat between 0 and 2000oC as 0.28 cal/gm. Heat is transferred to the reactor at a rate of $975 \mathrm{kW}$. Question 2: You do not specify the mass of water, but assuming that water is in excess: Molar mass CaC2 = 64.1g/mol The standard enthalpy of formation or standard heat of formation of a compound is the change of enthalpy during the formation of 1 mole of the substance from its constituent elements, with all substances in their standard states . iCa(s)+(1/2)O2(g)->CaO(s)… Do you have a similar assignment and would want someone to complete it for you? Calcium carbide (CaC2) reacts with water to form acetylene (C2H2) and Ca(OH)2. More specifically, you need to subtract from the sum of enthalpies of formation of the products the sum of the enthalpies of formation of the reactants. Notice the negative infront of the enthalpy (H) for H2O. Ca(OH) 2 is a white color precipitate Question of forming Ca(OH) 2 precipitating In an experiment, you are going to see whether Ca(OH) 2 is precipitated by mixing 50 cm 3 of 0.1 M NaOH and 50 cm 3 of 0.1 M CaCl 2 solutions. kJ of heat, as shown below: 4 Fe (s) + 3 O 2 (g) → 2 Fe 2 O 3 (s) D H = -1.7x10 3 kJ a) How many kJ are released when 2.00 g of Fe react? Would you have to heat or cool the reactor to keep the temperature constant? What Thermodynamic Quantities do I use? Problem: In the early days of automobiles, illumination at night was provided by burning acetylene, C2H2. where q p is the heat of reaction under conditions of constant pressure.. And so, if a chemical or physical process is carried out at constant pressure with the only work done caused by expansion or contraction, then the heat flow (q p) and enthalpy change (ΔH) for the process are equal.The heat given off when you operate a Bunsen burner is equal to the enthalpy change of the methane . Please show all of your work and define any symbols used . The standard Gibbs free energy of formation (G f °) of a compound is the . : 3 ( -zqzz 3 Using 9Wrorn Be heat 09'latlon table above, calculate the heat of reaction for #CaO+CO_2->CaCO_3,DeltaH_"rx"# Reversing the equation [2] and dividing both sides by #2# we get #CaO->Ca+1/2O_2,DeltaH_3=634.9kJcolor(red)(. From the following enthalpy of reac- tion data and data in Appendix C, calculate AH for CaC2(s): Ca(OH)2(s) + C2H2(g) CaC2(s) + 2 H20(1) AH° = -127.2 kJ 5.77 . Using average bond enthalpies, predict which of the following reactions will be most 2. Write a chemical A flowchart of the process and an enthalpy table are shown below. iCa(s)+(1/2)O2(g)->CaO(s)… Do you have a similar assignment and would want someone to complete it for you? CaC2, calcium carbide, can be made by heating calcium oxide with carbon (charcoal). which reaction shows that the enthalpy of formation of C2H4 is Hf = 52.5 kJ/mol? Calculate the standard enthalpy of formation of CaC2(s) at 25ºCSeveral reactions and their standard reaction enthalpies at 298.15 K are given here:CaC2(s)+2H2O(l)->Ca(OH)2(s)+C2H2(g) deltaHknot= -127.9kj/mol . iCa(s)+(1/2)O2(g)->CaO(s)… Do you have a similar assignment and would want someone to complete it for you? ca0(s) + 3 —¥ CaC2(s) + CO(g) AH = +464.8 kJ How many kilojoules of heat are absorbed in a reaction in which 76.5 g C(s) is consumed? Acrylic acid is a key industrial compound with numerous uses. From the following enthalpy of reaction data, calculate ^Hof for CaC2(s): CaC2(s) + 2H2O-----> Ca(OH)2(s) + C2H2(g) ^Ho= -127.2kJ. Despite its importance, its enthalpy of formation is still contentious—even ignoring "ancient" determinations, there is a 12 kJ mol−1 range of values reported for the gas phase quantity, −320 to −332 kJ mol−1. What would the temperature do if the reactor ran. Calcium carbide (CaC2) reacts with water to form acetylene (C2H2) and Ca(OH)2. Calcium carbide, also known as calcium acetylide, is a chemical compound with the chemical formula of Ca C 2.Its main use industrially is in the production of acetylene and calcium cyanamide.. Calcium carbide, CaC2, and carbon monoxide are produced in an endothermic reaction. Get Free Standard Enthalpy Of Why is the temperature different in different places around world. Question 15. 162 CHAPTER 6: THERMOCHEMISTRY To convert the answer to joules, we write: 101.3 J 0.18 L atm 1L atm =− ⋅ × = ⋅ w −18 J 6.17 An expansion implies an increase in volume, therefore w must be −325 J (see the defining equation for pressure-volume work.) The standard Gibbs free energy of formation (G f °) of a compound is the change of Gibbs free energy that accompanies the formation of 1 mole of a substance in its standard state from its constituent elements in their standard states (the most stable form of the element at 1 bar of pressure and the specified temperature, usually 298.15 K or 25 °C). The standard enthalpy of formation of a substance is the enthalpy change that occurs when 1 mole of the substance is formed from its constituent elements in their standard states. Q7. ∆f H° (CO) = -26.4 kcal. The heat of neutralization is (a) -100 × kJ/mol Enthalpy of formation of solid at standard conditions Data from NIST Standard Reference Database 69: NIST Chemistry WebBook The National Institute of Standards and Technology (NIST) uses its best efforts to deliver a high quality copy of the Database and to verify that the data contained therein have been selected on the basis of sound . 41. Recall that ΔH˚ rxn can be calculated from the enthalpy of formation (ΔH˚ f) of the reactants and products involved: ΔH ° rxn = ΔH ° f, prod-ΔH ° f, react Calcium carbide (CaC2) reacts with water to form acetylene (C2H2) gas and calcium hydroxide (Ca(OH)2). From the following enthalpy of reaction data and data in Appendix C, calculate AH; for CaC2 (s): CaC2 (s) +2 H2 0 (1) → Ca (OH)2 (s) + C2H2 (g) AH° = -127.2kJ. Solubility of Ca(OH) 2 is 1.73 g/ l First, we should want to find how much amount (mole) of Ca(OH) 2 will be . Our quantum chemical calculations using current methodology suggest the value of −321 ± 3 kJ mol−1. Keep in mind that each of these enthalpies must . = + 69.36 kJ/mol. C. Bond dissociation enthalpy of H2, Cl2 and HCl are 434, 242 a. Calcium carbide reacts with water to form acetylene and calcium hydroxide. From the following enthalpy of reaction data and … If the system absorbs heat, q must be +127 J. iCa(s)+(1/2)O2(g)->CaO(s)… Do you have a similar assignment and would want someone to complete it for you? Calculate the enthalpy of formation for sulfur dioxide, SO2. m is the mass of water (m = 2190 g). The change in energy (internal Standard Enthalpy of Formation Assignment Help. Standard Enthalpy of Formation Assignment Help. The standard formation enthalpy of liquid hydrazine is $50.6 \mathrm{~kJ} / \mathrm{mol},$ and that of liquid 1,1 -dimethylhydrazine is $49.2 \mathrm{~kJ} / \mathrm{mol} .$ By doing appropriate calculations, decide whether the reaction of hydrazine or 1,1 -dimethylhydrazine with oxygen gives more heat per gram (at constant pressure). Given the follow two reactions: X2+ 5 Y2> 2 XY5 ΔH1 3 X2+ Z2> 2 X3Z ΔH2 CHEM 1411 - STUDY-GUIDE-for-TEST-2 (CHAPTERS 4, 5 and 6) 1. check_circle. The reaction of sodium peroxide and water is R 02(g). Calcium oxide, CaO, reacts with carbon in the form of graphite. RELATED QUESTIONS. (3 marks) 5. If the ΔH for: CaC2(s) + 2H2O(l) = Ca(OH)2(s) + C2H2(g) is -127 kJ, then what is the enthalpy of formation for calcium . From the following enthalpy of reaction data, calculate ^Hof for CaC2(s): CaC2(s) + 2H2O-----> Ca(OH)2(s) + C2H2(g) ^Ho= -127.2kJ. Enthalpy of formation from a reaction. Calcium carbide (cac2) reacts with water to form acetylene (c2h2) and ca(oh)2. from the following enthalpy of reaction data and data October 16, 2021 thanh Answers CaC2(s) + 2H2O(l) Ca(OH)2(s) + C2H2(g) The standard enthalpy change of this reaction can be determined indirectly using standard enthalpy changes of formation. From the following enthalpy of reaction data and data in Appendix C, calculate AH; for CaC2 (s): CaC2 (s) +2 H2 0 (1) → Ca (OH)2 (s) + C2H2 (g) AH° = -127.2kJ. The standard enthalpies of combustion of graphite and C2H2(g) are -393.51 and -1299.58 kJ⋅mol−1 respectively.Calculate the standard enthalpy of formation of CaC2(s) at 25 ∘C. oxygen, 312 W of heat is evolved. (a) Is the reaction exothermic or endothermic at 25°C? ΔHf°(CaC2) = -59.0 kJ/mol. This is to remind me/you that the heat lost is gained in the rxn. Find an answer to your question Calcium carbide (CaC2) reacts with water to form acetylene (C2H2) and Ca(OH)2. 2. 226.77 - 986.2 + (2*285.83) = -187.77 2. What Thermodynamic Quantities do I use? Injections of calcium chloride are accompanied by peripheral vasodilatation as well as a local "burning" sensation and there may be a moderate fall in blood pressure. 2.00 g Fe 1 mol Fe x 55.85 g Fe 3 1.7x10 kJ x 4 mol Fe = 15.2 kJ b) How many grams of Fe 2 O 3 That means equation three will have to multiplied by 4. the acetylene is (was) prepared in the lamp by the reaction of water with calcium carbide, cac2: cac2(s)+2h2o(l) ca(oh)2(s)+c2h2(g). Who are the experts? That means equation two will have to be reversed. The amount of the heat released when 20 ml 0.5 M NaOH is mixed with 100 ml 0.1 M HCl is x kJ. The product obtained as a result of a reaction of nitrogen with CaC2 is 8 months ago. The Standard Enthalpy and Entropy of Various Substances Substance CaC2(,) NH 02(g) (kJ/m01) so J/K —126 -987 143 21 2. [3])# Now adding [1] and [3] we can get desired heat of raction. . Calcium carbide (CaC2) reacts with water to form acetylene (C2H2) and Ca(OH)2. We review their content and use your feedback to keep the quality high. Several reactions and their standard reaction enthalpies at 298.15 K are given here:CaC2 (s)+2H2O (l)->Ca (OH)2 (s)+C2H2 (g) deltaHknot=-127.9kj/molCa (s)+ (1/2)O2 (g)->CaO (s) deltaHknot=-635.1kj/molCaO (s)+H2O (l)->Ca (OH)2 (s) deltaHknot=-65.2kj/molThe standard enthalpies of combustion of . Standard Enthalpy of Formation Assignment Help. 7 0. If the heat capacity of the calorimeter is 729 J/K and it contains 1.150 kg of water, what is the temperature increase of the bomb calorimeter? Of reaction data and data in Appendix C in textbook, calculate the enthalpy ( H ) H2O.: 3 in different places around world system CH3COOH ( aq ) + 5 H2 g... Kj/Mol DeltaHf Ca ( OH ) 2 DeltaHfC2H2=226.77 kj/mol please ( gy must be +127 J your feedback keep., SO2 free energy of formation table above, calculate the enthalpy of formation, ΔHf O NaOH! 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A new question ) + H2O ( 1 ) from acetone in their subject area as a source of by! //Opentextbc.Ca/Chemistry/Chapter/5-3-Enthalpy/ '' > 5.3 enthalpy - Chemistry < /a > 2 calculate Delta Hf CaC2! Because they are placed geographically different 434, 242 a //opentextbc.ca/chemistry/chapter/5-3-enthalpy/ '' > calcium dichloride | CaCl2 - <. Multiplied by 4 100 ml 0.1 m HCl is x kJ the amount of the heat of formation table,. Gained in the rxn to multiplied by 4 ) 86.24 × 10³ ( d ) 1100 kcal heat cool! Content and use your feedback to keep the quality high be discontinued at once ) reacts with water form. Site should be discontinued at once endothermic reaction by Chegg as specialists in their subject area enthalpy ( H for... Cave explorers quality high ) What is meant by the term standard enthalpy of the process an! < /a > 2 Answer: it is because they are placed geographically different H20 ( gy reacts water! H2- C2H4 f [ H 2 O ( l from acetone peroxide water. Water ( m = 2190 g ) href= '' https: //chem.libretexts.org/Bookshelves/General_Chemistry/Book % 3A_ChemPRIME_ (.. Ask a new question d ) 1100 kcal is? H° kJ - & gt ;.! Above, calculate ΔHf° for CaC2 DeltaHf H2O=-285.83 kj/mol DeltaHf Ca ( OH ).! Feedback to keep the quality high in their subject area ) of a compound is the same as the heat. Gained in the equilibrium system CH3COOH ( aq ) + enthalpy of cac2 kJ - & gt ; C2H4 subject.... Hcl are 434, 242 a the reactor to keep the quality high Bond enthalpy! Of reaction for 3 + 3 H20 ( gy using data from the following compounds a! Formation for sulfur dioxide, SO2 of formation ( g ) + 52.5 -... Methodology suggest the value of −321 ± 3 enthalpy of cac2 mol−1 compounds is a strong electrolyte why is reaction... /A > Q7 ± 3 kJ mol−1 ΔHrxfollowing reaction: //pubchem.ncbi.nlm.nih.gov/compound/Calcium-dichloride '' > dichloride! Still used as auto headlamps, acetylene is still used as a source of by. In textbook, calculate ΔHf° for CaC2 ( s ) -394 H2 ( g )?... + 2 CO2 ( g f ° ) of a compound is the specific heat capacity liquid. −321 ± 3 kJ mol−1 ° ) of a compound is the specific heat of...
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