Calculate ΔSvap for hydrogen sulfide from the following data: normal boiling point of H2S: -60.7oC ΔHvap of H2S: 18.7 kJ/mol Place ΔSvap in units of J/(mol K) and your answer should have 3 significant figures.

Q: Estimate the normal boiling point of tin tetrachloride at 1 atm using following data .. ∆ H °f (…

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Q: Given the following data, calculate the normal boiling point for formic acid (HCOOH).…

A: Given that :   ΔHf°(kJ/mol) S°(J/mol K) HCOOH(l) -410. 130.0 HCOOH(g) -363 250.8…

Q: The combustion of methane is given by the equation (Note: It is not balanced therefore you have to…

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Q: Consider the reaction in the Haber process 3H2 (g) + N2 (g) → 2NH3 (g)where delta H° = -91.8 kJ/mol…

A: The spontaneity of a reaction can be predicted by Gibbs free energy change. Write the expression of…

Q: Please explain how to calculate for Q with the given information. SO3(g) + H2O(g) → H2SO4(l) ΔG°=…

A: Given that, a chemical reaction is SO3(g) + H2O(g) → H2SO4(l). The standard Gibbs free energy is ∆G0…

Q: the boiling point of AB2

A: Given, Using the thermodynamic data at 298 K in the table below, to calculate the boiling point of…

Q: certain substance has an enthalpy of fusion of 4.73 kJ/mol and an entropy of fusion of 21.2 J/mol/K.…

A: We know ∆H=∆S×T ∆H=4730j/mol ∆S=21.2j/mol/k So T=4730÷21.2=223.11k

Q: For the reaction CO(g) + Cl2(g)COCl2(g) H° = -108.3 kJ and S° = -137.3 J/K The equilibrium…

A: We know that : ∆G° = ∆H°-T∆S° ...(1) Also, ∆G° = -RTlnK ....(2)  From equations 1 and 2, we have :…

Q: Given the following values what is the boiling point of unknown compound D2 in °C?   Substance…

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Q: Which reaction is spontaneous at SATP? AH=41.5 kJ, AS=-12.9 J/K AH=8.75 kJ, AS=21.2 J/K AH=24.9 kJ,…

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Q: Predict the sign for AGº, AH° and ASº for the condensation of gaseous nitrogen at – 201°C? The…

A: Given condensation reaction is:        N2(g) → N2(l) To predict the sign for ∆Go, ∆Ho, ∆So

Q: Given the following, determine S° at 298 K for one mole of NO(g). 2NO(g) + O2(g)→2NO,(g); AS°…

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Q: Assuming that, since the physical states do not change, the values of AH and AS do not change as we…

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Q: What is the entropy change in the system when one mole of solid phenol sublimes at 18.85 degrees C…

A: Entropy (S) Entropy is the degree of randomness of a compound. For a system at equilibrium, the…

Q: Consider a substance with a melting point of 176 K. If this substance is in a container at 115 K…

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Q: Consider the reaction: Cl2O(g)+ 3/2 O2(g)--> 2ClO2(g) Given the following data: delta H*…

A: Given data: Cl2O(g)+ 3/2 O2(g)--> 2ClO2(g) delta H* (reaction)= 126.4 kJ/mol delta S* (reaction)=…

Q: The enthalpy of fusion of ethanol (C2HSOH) is 4.97 kJ/mol at the melting point of 159 K. Calculate…

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Q: A reaction has the following thermochemical values at 272.15 K: ΔH = -189.3 kJ mol-1 ΔS = -166.0 J…

A: Given-> Temperature (T) = 272.15 K ∆H = -189.3 kJ.mole-1 = -189300 J.mole-1(1KJ=1000J) ∆S =…

Q: None

A: Step 1: Find the standard entropy of formation (T=298 K) for each product and reactant. Use the…

Q: The boiling point of ethanol is 78 °C. For which of the following processes will AH, ASPAn, and AGxn…

A: We know for condensation  ∆S=(-)ve as the substance undergoes change in arrangement from orderly to…

Q: reaction has the following thermochemical values at 273.15 K: ΔH = -184.8 kJ mol-1 ΔS = -166.6 J…

A: Given,  ΔH = -184.8 kJ mol-1 ΔS = -166.6 J mol-1K-1 Temperature = 273.15 K

Q: Determine AS for the phase change of 7.60 moles of water from solid to liquid at 0.0 °C. (AH = 6.01…

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Q: CCl4 (l)    CCl4 (g)      At what temperature does the phase change become spontaneous?  (Give in…

A: Answer is explained below.  For this problem required thermodynamic parameters are as follows:

Q: a) How much energy is needed to warm a 50.g ice cube at -15oC up to gas vapor at 115oC (all at…

A: There are five steps in which heat is provided to 50 g ice at -15oC to convert it into steam at…

Q: The boiling point of CS2 is 315.7 K. At 475.0 K, the value for ΔGºrxn is -13.83 kJ/mol. From these…

A: boiling point of CS2 is 315.7 K At 475.0 K, the value for ΔGºrxn is -13.83 kJ/mol. We have to…

Q: Consider the reaction 2N,O5(g) =4NO2(g) + O2(g). at 25°C for which the following data are relevant:…

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Q: For nickel, Ni, the heat of vaporization at its normal boiling point of 2732 °C is 378.6 kJ/mol.…

A: Entropy change can be given by deltaS = deltaHvap/Tb deltaHvap = Heat of vaporization Tb = boiling…

Q: Determine AS° for the reaction: Sº (J/K-mol) 256.2 SO3 H₂O 69.9 H₂SO4 156.9 1343.2 J/K-mol -29.4…

A: The objective of the question is to calculate the change in entropy (ΔS°) for the given reaction.…

Q: Calculate AS° for NH3(g) + HCI(g) NH.CI(s)- Substance S (J/mol·K) NH3 (g) 192.5 HCI (g) 186.7 NH4CI…

A: Using the following formula, we can calculate the entropy of the reaction,…

Q: 25. Using the relevant S° values listed in Appendix G calculate AS°298 for the following changes:…

A: The values of standard entropy values from appendix G are as follows: N2 (g) = 191.6 J K-1 mol-1 H2…

Q: The reaction of A2(g) +3B2(g) 2AB3(g) has ΔH°= -251 kJ values. Calculate the ΔU° values if the…

A: The question is based on the concept of chemical thermodynamics. it involves application of first…

Q: The Gibbs free energy decreases when: I. A molecule breaks into two or more smaller molecules. II. A…

A: Here option e is correct  A) when a molecule break into smaller pieces than entropy increases and…

Q: A reaction has the following thermochemical values at 283.15 K: ΔH = -183.3 kJ mol-1 ΔS = -160.6 J…

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Q: Given the following data, calculate the normal boiling point for formic acid (HCOOH).…

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Q: Using the following data to calculate the value of ΔvapH° (in units of kJ/mol) of water at 365 K:…

A: The given values are: ∆vapHo373 = 40.7 kJ/mol ∆vapHo365 = ?? (To be calculated) Cp(g) = 33.6…

Q: The forward reaction of the following equilibrium reaction is favored by: 2NO(g) + O2(g) 2NO2(g) +…

A: Given, 2NO(g) + O2(g) <-> 2NO2(g) + Energy Moles of a sample = 3.00 moles Amount of energy…

Q: AvapH = 47 kJ/mol AvapS = 121 J/K.mol

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Q: Calculate the Gibbs free energy (in kJ) at 39 degrees C if ΔH reaction is -165 kJ/mol and ΔS…

A: The value of temperature is 39˚C, the enthalpy change of reaction is -165 kJ/mol and the entropy…

Q: A certain liquid has a vapor pressure of 92.0 Torr at 23.0 ∘C and 215.0 Torr at 45.0 ∘C. Calculate…

A: Given : Vapour pressure of liquid at 23 oC = 92.0 torrAnd vapour pressure of liquid at 45.0 oC =…

Q: The normal boiling point of benzene is 80.0°C with an enthalpy of evaporation of 30.5 kJ/mol.…

A: Any substance's phase change gets accomplished at equilibrium. When liquid-phase gets converted into…

Q: if : Mg (g) Mg (s)  1.) What is DGrxn, when you use DGrxn  = DHrxn  –  TDSrxn, at the…

A: Hello. Since your question has multiple parts, we will solve the first question for you. If you want…

Q: For lead, Pb, the heat of vaporization at its normal boiling point of 1740 °C is 177.8 kJ/mol.The…

A: Calculate entropy of vaporization of Pb: 1 kJ = 1000 J

Q: Determine the entropy change, in J/mol K, for the condensing of 75.0 g of gaseous O2 into liquid O2…

A: Here phase of O2 changes from gas to liquid.  Hence we have to use formula for entropy (∆S)during…

Q: Given the particulate models here that depict Cu in solid form, Br2 in liquid form, and He in…

A: The Gibb’s equation of thermodynamic purposed a relation between ΔS, ΔH and ΔG with Temperature.…