Calculate the standard heat of formation, AHfº, for FeS2, given the following information: 2FES2) + 50z9) --> 2FEO) + 4 SO20) AHf°rxn = -1370KJ, AHFº for SOz = -297 kJ/mol, AHfº for FeO, = -268kJ/mol O -177KJ O -1550kJ O -774KJ O -686kJ O +808kJ

Q: 5.27 The first step in the industrial recovery of zinc from thezinc sulfide ore is roasting; that…

A: The heat evolved in (kJ) per gram of ZnS roasted has to be given. The given chemical equation is,…

Q: For the reaction N₂(g) +202(g) → 2NO₂ (g) AGO = 104 kJ and AS° = -121.6 J/K at 308 K and 1 atm. This…

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Q: 1) Calculate the enthapy for the folowing reaction: Na(g) + 20(g) -> 2NO:(g) AH ??? kJ Using the…

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Q: Question attached

A: The reaction given is, => CsCl (s) ------> Cs+ (aq) + Cl- (aq)  Given: ΔHof CsCl (s) = -443.0…

Q: Calculate the work (w) and ΔEo, in kJ, at 298 K and 1 atm pressure, for the combustion of one mole…

A: Given-> ∆H° = -3169.3 KJ/mole T= 298 K P =1 atm

Q: 3. For the reaction below, 5.95 kJ of heat must be supplied to convert 13.43 g lead(II) oxide into…

A: Recall the reaction 2PbO(s) ----> 2Pb(s) + O2(g)  According to the stoichiometry 2 moles PbO2…

Q: From the data at 25 °C: Compute the standard heat of formation of FeO (s) and Fe₂O3(s). Fe₂O3(s) +…

A: Enthalpy of formation is defined as the change in enthalpy when one mole of a compound is formed…

Q: From the change in internal energy, AE, given for 185 °C, calculate the change in enthalpy, AH, at…

A: Relation between ΔH and ΔE, ΔH = ΔE + ΔnRT

Q: Calculate the work (w) and ΔEo, in kJ, at 298 K and 1 atm pressure, for the combustion of one mole…

A: Given that,ΔHº = -1427.7KJ/moleT = 298 KNow the balance equation is

Q: Given that at 298.15K the standard enthalpies of formation (AH,) of nitric oxide is 90.25 kJ and…

A: Since you have posted multiple questions. I will answer only first  question as per our guideline.…

Q: • Under constant pressure conditions (as used in this experiment), the heat released by the reaction…

A: Given that : The mass of iron metal = 1.104 g The mass of hydrochloric acid = 26.023 g Initial…

Q: Calculate AH, in kJ, for the following reaction using the bond energies given. H- H3C- C-CH3 (g) H2…

A: To calculate the value of ∆H using bond energies , we check that which bonds are broken and which…

Q: Heat of Formation Use the data below to calculate the ΔHfo for benzene, C6H6 (l), at 25oC and 1.00…

A: In this question, we will determine the ∆H° formation for Benzene.  You can see details Solution…

Q: CHa (g) + 302 (g)2 CO2 (g) + 2 H20 (e) andard enthalpies of formation of CO2 (g) and H;0 (e) are…

A: Number of atoms, ions and molecules present on a given amount can be determined by “Mole Concept”.…

Q: When 0.560 g of Na(s) reacts with excess F2(g) to form NaF(s), 13.8 kJ of heat is evolved at…

A: Mass of Na = 0.560 g Heat evolved = 13.8 kJ

Q: 2. a. Determine the standard heat of formation. AH* for the following reaction using the Data table.…

A: The standard heat of reaction is calculated as below:

Q: 2A1(s) + 302(g) ---> 2A1203(s)    ΔHo = + 3351 kJ               The reaction shown above is…

A: When the heat is absorbed by the reaction then the reaction is known as endothermic reaction and…

Q: (b) Pentaborane-9, BŞH9, is a colorless, highly reactive liquid that will burst into flame when…

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Q: the value of for the reaction below is -790 kJ the enthalpy change accompanying the reaction of 0.95…

A: Given information,

Q: Calculate heat of reaction considering the following chemical reaction: H2CS + O2 (g)…

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Q: 1. A 45.0 kg chunk of metal (specific heat 0.300 1/gC) initially at 25.0°C absorbs 122,000 ) of…

A: We can calculate the final temperature from the given formula  q = m × C × (Tfinal - Tinitial) Where…

Q: Finally, using the thermodynamic values given and knowing how to add all the equations together to…

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Q: Given the standard heats of formation for the following compounds, calculate the ΔH° heat of…

A: The enthalpy change of a chemical reaction can be calculated by the standard heat of formation of…

Q: Use standard enthalpies of formation to determine ΔHorxn for: 3NO2(g) + H2O(l) → 2HNO3(aq) + NO(g)…

A: The standard enthalpy for a given reaction can be defined as the change in the change in the…

Q: The value of AH for the reaction below is -482 kJ. Calculate the heat (kJ) released when 52.0 g of…

A: We can calculate the heat released by using stoichiometric calculation. We see from balanced…

Q: The thermite reaction was once used to weld rails: 2Al(s) + Fe2O3(s) --> Al2O3(s) 1 2Fe(s) (a) Using…

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Q: The standard heat of formation for Brig) is 112 kJ/mol at 298 K. Write the formation equation for…

A: The standard heat of formation is defined as the change in enthalpy that takes place when 1.0 mole…

Q: Given the following data: Solution Conc. (M) Volume (ml) Tiitial ("C) Ttnal NaOH 0.750 50.00 19.84…

A: The detailed solution of your question given below-- Since ,we know that in this process the…

Q: The standard enthalpy change for the following reaction is 538kJ at 298K: Ni(OH)2 (s) → Ni(s) +…

A: Since you have asked multiple question, we will solve the first question for you.If you want any…

Q: The value of AH° for the reaction below is -72 kJ. kj of heat are released when 1.0 mol of HBr is…

A: H2 (g)+Br2(g) → 2HBr(g)- -72KgDivided by 212H2(g)+12Br2(g) →HBr(g)--722…

Q: Using the standard molar enthalpies of formation method, determine the following: ΔHf (Al2O3)…

A: Given,  The ΔHf (Al2O3)  = -1675.7 kJ/mol ΔHf (Fe2O3 ) = -824.3 kJ/mol___Fe2O3 (s) + ___Al(s)…

Q: Calculate the enthalpy change for the reaction:  3NO2(g) + H2O(ℓ) ---> 2HNO3(aq) + NO(g)   Given:…

A: The reactions given are, 1) 2 NO (g) + O2 (g) ------> 2 NO2…

Q: Calculate ΔGo for the following reaction given the following thermodynamic properties at 25oC:…

A: Since, From Gibbs-Helm Holtz equation, ∆G° = ∆H° - T∆S° Thus,

Q: SiO2(s) + 4 HF(aq) → SiF4(g) + 2 H2O(l)        ∆Horxn = 4.60 kJ ∆Hof, kJ/mol: ???         -320.1…

A: Introduction Whenever a particular reaction moves in th forward direction, this means the reaction…

Q: A coffee - cup catorimeter containg 30mt of water wih का फिमिधच नैदलकशवलर ठ 24.8°८. An ontoro. wn…

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Q: For the reaction 2co(g) + O2(g)–→2CO2(g) AG° = -508.0 kJ and AS° = -173.1 JK at 335 K and 1 atm. The…

A: The maximum work done by the system is equal to the change in Gibb’s free energy. The expression for…

Q: 20,(g) –→ 30,(g) AHxn = +24.18 kJ 1st attempt See Periodic Table Determine the value of heat of…

A: On adding two reactions we get a third reaction and enthalpy change for third is sum of first two…

Q: What is the standard enthalpy change for the reaction:  2PbCl2 (s) + O2 (g) --> 2PbO (s) + 2Cl2 (g)…

A: The standard enthalpy change of the reaction can be calculated with the help of the given two…

Q: 1. Determine ΔG° at 298.15K for the reaction: 4Fe (s) + 3O2 (g) → 2Fe2O3 (s) Given that ΔH° = -1648…

A: Reaction given is :- 4Fe (s) + 3O2 (g) → 2Fe2O3 (s) ΔH° = -1648 kJ = 164800 ΔS° = -549.3 J/K  T =…

Q: 15. See image below: * 15. Given the enthalpy changes for the following reactions, calculate AH, for…

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Q: THERMODYNAMICS: Use the given standard enthalpies of formation to calculate the AH° (in kJ) for the…

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Q: Calculate the Enthalpy (AH , in kJ/mol) for the following reaction from the heat of formation data…

A: You have posted multiple questions in the given pictures, so answer to first question have been…

Q: Liquid hydrogen peroxide, an oxidizing agent in many rocket fuel mixtures, releases oxygen gas on…

A: The molecular weight of hydrogen peroxide is 34 gm/mol. from the above reaction we see that 2 mol…

Q: For an endothermic reaction where work = 0, which of the following combinations is correct. Ο- ΔΗ…

A: The correct combination for an endothermic reaction has to be given,

Q: A 2.29 g sample of NH¼NO3(s) (MW = 80.04 g/mol) is dissolved in 25 mL of H2O at 23.0 °C in a coffee…

A: Density of water is 1.00 g/mL Mass of water is calculated as follows, Volume=25.0…

Q: Calculate the standard enthalpy change for the reaction at 25 ∘C. Standard enthalpy of formation…

A: The given reaction is

Q: In a coffee cup calorimeter, 10.0mL of 1.00M AgNo3 and 10.0mLof 1.00M NaCl are mixed and the…

A: Volume of 1M AgNO3 solution = V1 = 10.0 mLVolume of 1M NaCl solution = 10.0 mL = V2V = V1 + V2V =…