For the reaction I2(g) → I2(s), ΔH° = -62.4 kJ at 25°C. Based on these data, at 25°C A) ΔH°vap= -62.4 kJ/mol. B) ΔH°vap= 62.4 kJ/mol. C) ΔH°sub= -62.4 kJ/mol. D) ΔH°sub= 62.4 kJ

Q: ind ΔH for the reaction    C3H8 (l) + 5O2(g) --> 3CO2(g) + 4H2O(l)        ΔHrxn = ? Given:…

A: for the reaction    C3H8 (l) + 5O2(g) --> 3CO2(g) + 4H2O(l)        ΔHrxn = ? Given:   [CO2(g)] =…

Q: CaCO, (s)-CO, (g)+CaO (s) AS° = 161.00 J/K.mol; AH = 178.00 kJ/mol For the reaction shown above,…

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Q: Consider the following reaction and the tabulated thermochemical data at 298 K. 4 NH32) + 5 O2g) → 6…

A: Answer: This question is based on the relationship between Gibbs free energy change, standard Gibbs…

Q: Given the AH°f, calculate the AH°xn for the formation of diamond from graphite. AH°; (C, graphite) =…

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Q: 7. When determining the energy of a reaction where 0.250 mol of a substance with a ΔΗ. = -2250.0…

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Q: Given the reaction: NO2(g) NO(g) + O2(g) (H = +62 Kj), if the temperature is increased, the…

A: Given ;- NO2(g) <-----> NO(g) + O2(g)  H = +62 kJ  statement : if the temperature is…

Q: The space shuttle uses the following reaction to drive it's reusable rocket boosters. 3Al(s) +…

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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: 6. A reaction has a AH° of -29 kJ and AS° is -60. J/K. Calculate the temperatu from spontaneous to…

A: Spontaneous reactions are those reactions which proceed on their own without any external force.…

Q: 8. Consider the reaction at 25°c 4 Cuo (s) → 2 Cu20 (s) O2 (g) + Calculate AS' for the reaction.…

A: Given :

Q: A particular chemical reaction has ∆rS = -31.5 J/mol•K and ∆rH = - 16.3 KJ/mol. (a) At what…

A: Given :  Delta S = -31.5  Delta H = -16.5

Q: Calculate the ÄE°rxn for the decomposition of calcium carbonate to calcium oxide and carbon dioxide.…

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Q: Substance S (J/mol-K) H2(g) 130.6 O2(g) 205.0 H2O(g) 188.7

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Q: Calculate Δ Ho for the reaction below? 4 Fe(s)  +  3 O2(g)  ---------> 2 Fe2O3(s)     Group of…

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Q: The sublimation of carbon dioxide at -78°C is Calculate ∆Ssub when 24.8 g of CO2 sublimes at this…

A: Given that:  T = -78°C = -78°C + 273 = 195K  Mass of CO2 = 24.8g  Molar mass of CO2 = 44g/mol…

Q: Which of the following processes will have a ΔH value with a negative sign?     A. The boiling…

A: Acid base reaction is exothermic.

Q: Use the ΔH°f information provided to calculate ΔH° in kJ/molC2H6for the reaction 2 C2H6(l) + 7…

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Q: (BFN = (8)F0÷ + (3%OS= (3FOS NO(g) 50(g) AH° = -90.2 kJ (a) (b) AH° = +98.9 kJ Using Le Chatelier's…

A: Exothermic reaction are those in which heat is released and endothermic reaction are those in which…

Q: Calculate AG for the reaction below at a temperature of 25°C, given that AH° = -52.96 kJ and AS° =…

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Q: For a particular reaction at 203.3 °C, AG = 518.40 kJ, and AS = 748.15 J/K. Calculate AG for this…

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Q: The value of ΔH for the following reaction is +52.0 kJ/mol at 298K. What is the value of ΔU in…

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Q: Y Part A The value of AG at 161.0°C for the formation of phosphorous trichloride from its…

A: Given,The reaction:P2 (g) + 3 Cl2 (g) 2 PCl3 (g)    temperature = 161.0 oCAt 25.0 oC,

Q: What is the AH° rxn (in kJ/mol) for the reaction A + B --> 2C, given the values below? Substance…

A: For a chemical reaction, the enthalpy of reaction (∆Hrxn) is the difference in enthalpy between…

Q: If A G°rxn is 10.9 kJ/mol, determine A Gxn at 525 K, when TiCI4(g) = 0.500 atm. TİCIĄ(liq) TiCla(g)…

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Q: = -93.1A]J/K Given the following information, calculate ArG° for the reaction below at 25 °C. Mg(s)…

A: Given:∆rHo =-601.24 kJ/mol-rxn∆rSo=-108.36 J/KTemperature=25oCConversion:Temperature=25oC…

Q: 4AI (s) + 30 2 (g) → 2 Al 20 3 (s)AH° = -3351 k) is and therefore heat is by the reaction. A)…

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Q: Hydrogen reacts with nitrogen to form ammonia (NH3) according to the reaction 3H2(g) + N2(g) -->…

A: Given: ∆Ho = -92.38 kJ/mol ∆So = -198.2 J/mol K Temperature (T) = 250°C

Q: Which of the following processes is endothermic? a)  H2O(g) → H2O(l) c)  H2O(s) → H2O(l) b)  2…

A: Exothermic reactions are those reactions in which heat is released during a chemical reaction and…

Q: Calculate ∆S°for the following reaction: SnCl4(l)→SnCl(g) A :-625J/K B: 107J/K C: 625 J/K D:…

A: Concept based on the standard entropy of the chemical reactions.

Q: the ASsurr in

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Q: For a particular reaction at 140.6 °C, AG = 560.53 kJ/mol, and AS = 131.79 J/(mol · K). Calculate AG…

A: It is given that,  At temperature T = 140.6 ° C  ∆ G = 560.53 kJ/mol ∆S = 131.79 J/mol K We need to…

Q: How would I tell how and why this reaction changes in temperature and pressure? 4CO(g) + H2O(g) CH4…

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Q: Hydrogen sulfide decomposes according to the following reaction: 2H2S(g) → 2H2(g) + S2(g) - For this…

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Q: Given that for the melting of sodium chloride AHfusion = 28.16 kJ/mol and ASfusion = 26.22 J/(K·…

A: Given ΔHfus = 28.16 kJ/mol = 28160 J/mol ΔSfus = 26.22 J/(mol.K)

Q: A certain reaction has ∆?°= -19.5KJ and ∆S°= 42.7 J/K, is the reaction exothermic or endothermic?

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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: Consider the reaction 2 NO2(g)  N2O4(g) . (a) Using Gf N2O4(g) = 97.79 kJ/mol and Gf NO2(g) = 51.3…

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Q: For a reaction   ΔH= -4.7 kJ  and  ΔS= -69.5 J/K at 25 oC.  Determine the ΔG for this reaction

A: The question is solved using Gibbs – Helmoholtz equation.

Q: For the combustion of carbon monoxide; CO + 1/2 02→ CO, find the ratio of the equilibrium constants…

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Q: For a certain chemical reaction, ∆H° = -35.4 kJ and ∆S° = -85.5 J>K. (a) Is the reaction…

A: The heat given off or absorbed in a chemical reaction is known as heat of the reaction. On the basis…

Q: Calcium carbonate decomposes according to the following reaction.…

A: Hey, since you are posted a question with multiple sub-parts, we will answer first three sub-parts.…

Q: Consider the following reaction at equilibrium: CO₂ (g) + H₂ (g) H₂O(g) + CO (g) What would be the…

A: According to Le Chatelier's principle, the direction of the equilibrium of the reaction changes when…

Q: Determine AGº for the reaction 2 NO₂(g) → 2 NO(g) + O₂(g) at 25 °C. Substance NO₂ (g) NO (g) AG°f…

A: The standard Gibbs free energy change of the reaction is calculated as follows: