Calculate ∆H°25° for the reaction: Fe3O4(s) + 2 C(s, graphite) → 3 Fe(s) + 2 CO2(g) from the following data:  2 Fe(s) + 32 O2(g) → Fe2O3(s) ∆H°25°C = –826 kJ Fe(s) + ½ O2(g) → FeO(s) ∆H°25°C = –272 kJ FeO(s) + Fe2O3(s) → Fe3O4(s) ∆H°25°C = –1121 kJ C(s, graphite) + O2(g) → CO2(g) ∆H°25°C = –394 kJ

Q: For which one of the following reactions is the value of ΔH°rxn equal to ΔH°f for the product? C…

A: The reactions given are  1) C (s, graphite) + 2 H2 (g) → C2H4 (g)    2) 2 H2 (g) + O2 (g) → 2…

Q: Calculate ∆fH° for sulfur dioxide given the two thermochemical equations below. Write the answer…

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Q: Use the table below to answer the questions that follow. Thermodynamic Quantities for Selected…

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Q: Calculate the ΔGO∆GO (in kJ/mol) for the following reaction at 25.0℃.…

A: The given electrochemical cell reaction is->>3Co2+(aq)  +   2Al(s) 3Co(s)  +  2Al3+(aq)Ecell =…

Q: Determine the value for ΔSsurr for the following reaction at 40.0°C. 2 CO(g)  +  O2(g)  →  2 CO2(g)…

A: Given reaction: 2 CO(g)  +  O2(g)  →  2 CO2(g)     ΔHorxn = –566.0 kJ  We have to find ΔSsurr.

Q: Calculate the ΔHºrxn of the following processes at 25 degrees celsius and determine whether each…

A: ΔHºrxn is given by the difference of ΔHºproducts  and ΔHºreactants.If ΔHºrxn is negative, then it is…

Q: A 6.620g sample of C12H24(l) was burned in a bomb caloriemter whose heat capacity had been…

A: Given: Mass of C12H24 is 6.620 g Molar mass is 168.319 g/mol Mass of water is 1250.0 g Initial…

Q: Consider the following reaction: N2 (g) + 2 O2 (g) → 2 NO2 (g) Using the following information,…

A: Given: (i) N2 (g) + 3 H2 (g) → 2 NH3 (g)                            ∆H1= −115 kJ/mol (ii) 2 NH3 (g)…

Q: Calculate ∆Gº for the reaction, 2C2H6(g)+5O2(g)→4CO(g)+6H2O(g), given ∆Gºf for C2H6(g)=-32.9 kJ/mol,…

A: 2C2H6(g)  +  5O2(g)  →  4CO(g)  +  6H2O(g) ∆Gºf for C2H6(g)=-32.9 kJ/mol, ∆Gºf for CO(g)=-137.2…

Q: Determine ΔH°rxn at 25 °C for the reaction 2 NOCl(g) → N2(g) + O2(g) + Cl2(g) given that the…

A: Given, balanced chemical reaction as follows,2 NOCl(g) → N2(g) + O2(g) + Cl2(g)standard heat of…

Q: using the information given below, calculate the Δ So at 25oC for the given reaction.…

A: Entropy change of a reaction can be calculated by sum of standard entropy of product - sum of…

Q: ( in kilojoules) for the industrial synthesis of chloroform (CHCl3) in a reaction of methane ( CH4)…

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Q: Consider the following reaction at 25 °C: 3 Ni(s) + N,(g) + 3 H,0(g) → 3 NiO(s) + 2 NH,(g) Given the…

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Q: AH°rxn

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Q: Consider the following reaction at 25 °C: 3 Ni(s) + N2(g) + 3 H20(g) → 3 NiO(s) + 2 NH3(g) Given the…

A: Given,

Q: Which of the following processes would you predict to have the most favorable ΔSº?     CH3OH(g)  →…

A: Entropy  It is defined as the randomness present in the system. If the randomness is more then…

Q: The value of ΔH° for the reaction below is -336 kJ.  Calculate the heat (kJ) released to the…

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Q: thermochemical equation

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Q: The addition of 121  g potassium fluoride to 591  mL of water (d = 1.00 g/mL) causes the temperature…

A: The mass of solution is calculated as shown,

Q: CH4(g) + 2 Cl2(g) → CH2Cl2(g) + 2 HCl(g) Calculate ∆Hrxn° using the following data: CH3Cl(g) +…

A: Using Hess's law  Enthalpy of reaction is same for a reaction if the reaction is completes in…

Q: Given the following chemical reaction and standard thermodynamic quantities in the table,…

A: Given the following chemical reaction and standard thermodynamic quantities in the table,…

Q: ΔHf

A: Dear student I have given answer to your question in the image format.

Q: Predict the sign of ΔSfor these processes: 2 H2(g) + O2(g) → 2 H2O(l) H2O(l) → H2O(s) CaCO3(s) →…

A: Entropy of gases is higher than of liquid and solid. Order of entropy gas> liquid >solid

Q: Part A The value of AS° for the catalytic hydrogenation of acetylene to ethene, C2H2 (g) + H2 (g) →…

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Q: Calculate ΔH for the following reaction: PCl3 (l) +  Cl2 (g)  → PCl5 (s) given the following: 1)…

A: Reverse of first reaction and and it will second equation and divide by 2 equation so we can that…

Q: Сalculate ∆H° for the reaction: N2O(g) + 1/2 O2(g) → 2NO(g)

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Q: The value of AS° for

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Q: What is ΔrH° for the following chemical reaction? CS2(g) + 2H2O(l) → CO2(g) + 2H2S(g) Express your…

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Q: Consider the following reaction at 25 °C: 3 Ni(s) + N2(g) + 3 H2O(g) → 3 NiO(s) + 2 NH:(g) Given the…

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Q: Consider the following reaction at 25 °C: 5 SO:(g) + 2 NH:(g) → 2 NO(g) + 5 SO:(g) + 3 H20(g) Given…

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Q: ∆H rxn

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Q: Q4. (5 1- What does IR spectroscopy talk about? 2- What information can we get from IR spectroscopy?…

A: 1. The IR spectroscopy basically talks about what types of vibrational modes the molecule responds…

Q: Consider the table. Metal Tm (K) ΔHfus (kJ/mol) Tb (K) ΔHvap (kJ/mol) LiLi 454 2.99 1615 134.7…

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Q: Consider the following reaction at 25 °C: 3 Ni(s) + N,(g) + 3 H,O(g) → 3 NiO(s) + 2 NH,(g) Given the…

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Q: A 6.56 g sample of aniline (C6H5NH2, molar mass = 93.13 g/mol) was combusted in a bomb calorimeter…

A: The mass of the aniline sample is = 6.56 g The molar mass of aniline is = 93.13 g/mol The heat…

Q: Calculate ∆H for the reaction 4NH3 (g) + 5O2 (g) → 4NO (g) + 6H2O (g), from the following data. 1.…

A: 4NH3 (g) + 5O2 (g) → 4NO (g) + 6H2O (g) 1. N2 (g) + O2 (g) → 2NO (g) , ∆H = -180.5 kJ 2. N2 (g) +…

Q: Choose the reaction that illustrates ΔH°f for Mg(NO2)2. Choose the reaction that illustrates ΔH°f…

A: Standard Enthalpy of formation, ΔH°f  :- The enthalpy change involved when one mole of a substance…

Q: Calculate ΔrH° at 25°C for the combustion of methanol: Unbalanced reaction: CH3OH(l) + 3/2O2(g) →…

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Q: Acetic acid (CH3CO2H), whose aqueous solutions are known as vinegar, is prepared by reaction of…

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Q: For the reaction N20 (g) + NO2 (g) →3 NO (g), at 25°C AH° = +155.6 kJ/mol and AS° = +172.4 J/mol K.…

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Q: Use the following to answer questions Q30 – 31  Calculate ΔHrxn for the reaction using the…

A: According to Hess’s law the total enthalpy change of chemical reaction is equal to the sum of all…

Q: The value of ΔH° for the following reaction is +483.5 kJ/mol: 2 H2O (g) → 2 H2 (g) + O2 (g) What…

A: given, 2 H2O (g) → 2 H2 (g) + O2 (g)  ΔH° =  +483.5 kJ/mol if  reaction is reversed the sign of the…

Q: Calculate Δ?∘Δ⁢G∘ at 298 K for the reaction…

A: C(s)+O2(g)⟶CO2(g) Δ⁢G∘(A) =−397.28 kJ/mol Equation A S(s)+O2⁡(g)⟶SO2⁢(g)⁢ ⁢ΔG∘(B)=−300.19 kJ/mol…

Q: Calculate ΔSuniv for the following reaction at 300K. 2 NO(g) + O2(g)   2NO2(g)          ΔHrxn =…

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