Calculate the change of the entropy of the system in J/K for the following phase transition: vaporization of 159.2 g propanol The molar mass of n-propanol (C3H7OH) is  60.095 g/mol; the enthalpy of vaporization of n-propanol is 47.5 kJ/mol; the boiling point of n-propanol is 97.7°C  Group of answer choices 128 -486 -339 1280 0.3393

Q: Calculate the entropy change of the universe (J/mol-K) when the entropy change of the system is 75.4…

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Q: Estimate the boiling point of an unknown substance in deg C if the latent heat of vaporization of…

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Q: If energy flows out of a chemical system and into thesurroundings, what is the sign of ∆Esystem?

A: A body of a substance or matter which has specified walls and permeabilities that separates it from…

Q: What is the ΔS of 5 moles CO2 (g) heated at constant volume from 100 °C to 400 °C? The Cp,m of CO2…

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Q: Consider the balanced reaction 3 A + 7 B → 3 C + 7 D and the absolute entropies provided in the…

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Q: Calculate the standard entropy change for the formation of one mole methanol at 25 °C.    2 CO2(g)…

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Q: In an experiment, 1.000 mol of sodium metal is placed in a container and reacted with 4.000 mol of…

A: Given data,SoNa(s)=51.45J/mol.KSoCl2(g)=222.96J/mol.KSoNaCl(s)=72.33J/mol.KMoles of Na=1.00molMoles…

Q: According to the second law of thermodynamics, what must be true about entropy changes when dry ice…

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Q: Using the tables, what is the standard entropy change for the following reaction?   CCl4 (l) + O2…

A: To determine the standard entropy change (ΔS°) for the reaction CCl4 (l) + O2 (g) → CO2 (g) + 2 Cl2…

Q: Does someone know the standard entropy values in J/K for H2(g), F2(g) and HF(g)?

A: The standard entropy values of hydrogen and fluorine gases are 130.6 J/Kmol and 202.8 J/Kmol…

Q: Which of the following substances exhibits the greatest standard molar entropy, So? Select one: H2…

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Q: 4. Using the thermodynamic information at 25.0°C provided answer the questions below. 2Al(s) +…

A: Dear student ,   since you have posted multiple parts questions we will allow to solve only first…

Q: Calculate the entropy of the equation below: CaCO3(s) → CO2(g) + Cao (s) CaCO3(s) = 92.9 J/K.mol…

A: The balanced chemical equation is: CaCO3(s)  ---->CaO(s) + CO2(g)

Q: Consider the following reaction under the standard state. 2 NO3 (g) = 2 NO2 (g) + O2 (g) The…

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Q: Calculate So for O3(g) if the standard entropy change for the reaction (DelaS_rxn) below is 274…

A: Given reaction: 4O3(g) → 6O2(g) The standard entropy change for the reaction = 274 J/K⋅mol So[O2(g)]…

Q: Chloroform, CHCl3, is a solvent and has been used as an anesthetic. The heat of vaporization of…

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Q: What is the change in Gibb's Free Energy for a reaction that has an enthalpy change of -149.4 kJ/mol…

A: Applying formula ∆G=∆H-T∆S

Q: Using the tables, what is the standard entropy change for the following reaction?   CH4 (g) + 2 O2…

A: Here we have to determine the entropy change of the following given reactions.

Q: Predict the sign of the entropy change (positive or negative) for the following process. Na…

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

Q: What do you expect for the sign of ∆S in a chemical reaction in which 2 mol of gaseous reactants are…

A: Entropy is the measure of the randomness in the molecules or atoms. The entropy of gases is more…

Q: A reaction produces a value for ΔSuniv of -2,700 J/K at 295 K.     spontaneous…

A: Thermodynamics is the branch of chemistry which deals with the study of heat and other forms of…

Q: Calculate the entropy of the equation below: 4 KCIO3(s) → 3 KCIO4(s) + KCI (s) KCIO3 = 142.97…

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Q: What is the entropy (S) of a system with 8.3 x 1030 microstates? 5.5 x 1022 J/K 4.4 x 10-22 J/K 8.5…

A: We have to calculate the entropy of system.

Q: Calculate ΔGrxn at 7.2 °C for a reaction that has ΔHrxn= 29.4 kJ and ΔSrxn= 78.08 J/K

A: Given :-  Temperature = 7.2°C  ΔHrxn= 29.4 kJ  ΔSrxn= 78.08 J/K  To calculate :-  ΔGrxn

Q: Chloroform, CHCl3, is a solvent and has been used as an anesthetic. The heat of vaporization of…

A: We have:   Thus, the amount of energy required to boil 1.44 moles of CHCl3 is:

Q: Find ∆Stotal (entropy change) when 100 grams of water vapor initially at 200 degrees Celsius…

A: ∆Stotal (entropy change) when 100 grams of water vapor initially at 200 degrees Celsius undergoes a…

Q: A certain hydrocarbon of the molecular formula CxH2x has a standard enthalpy of formation ∆Hf° =…

A: The correct method to calculate the value for x is attached below

Q: A reaction has ΔH∘rxn= -139 kJ and ΔS∘rxn=303 J/K .     Part A At what temperature is the change in…

A: GIven: ΔH∘rxn= -139 kJ=-13900 J ΔS∘rxn=303 J/K . Now, ∆Ssurrounding = ∆Hreaction / T

Q: Which reaction results to a decrease in the entropy of the system? O 4 NH3 (g) + 5 02 (2) → 4 NO (g)…

A: The entropy is the measure of degree of randomness in a molecule.

Q: Calculate the entropy change, A Suniverse for the following reaction, at standard condition. CO2 (g)…

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Q: The boiling point of carbon disulfide is 46.3oC at 1.0 atm, and its enthalpy of vaporization is…

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Q: The heat of vaporization AH, of methanol (CH,OH) is 35.3 kJ/mol. Calculate the change in entropy AS…

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Q: Using the entropy values in the table below, what is the standard change in entropy, AS, for the…

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Q: What is the change in Gibb's Free Energy for a reaction that has an enthalpy change of 229.6 kJ/mol…

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Q: What is the entropy change, in J mol-1 K-1, when 100.0 g of water boils at 100.0 oC?…

A: ∆Hvap= 40.7 kJ/mol = 40.7 × 1000 J/mol Water boils at 100°C = 373 K For the vapourization of water,…

Q: Calcium carbonate decomposes according to the following reaction. C a C O 3 ( s ) ⟺ C a o ( s ) + C…

A: The reaction of the conversion of the calcium carbonate to the calcium oxide and carbon dioxide is…

Q: Calculate the entropy change when a gas condenses at its boiling point. Calculate the entropy change…

A: Given:Moles of mercury = 2.47 molBoiling point of mercury = 357 °CThe heat of vaporization of Hg =…

Q: The heat of vaporization AH, of propane (C3Hg) is 19.4 kJ/mol. Calculate the change in entropy AS…

A: For vaporization: Change is entropy  = enthalpy of vapourization ÷ Boiling pointChange in entropy =…

Q: In which of the following processes does the entropy of the system decrease? Select one: H2(g) +…

A: > In a chemical reaction if gaseous moles increases than entropy increase. > for gases if…

Q: Acetone, CH; COCH3 , boils at 56°C. The heat of vaporization of acetone at this temperature is 29.1…

A: Given: Boiling point temperature= 56 C=329.15 K Heat of vaporization= 29.1 kJ/mol

Q: (Q66). What is the change in entropy (in J/K) when 16.9 g of liquid hexane boils at its normal…

A: we need to calculate the change in entropy for hexane

Q: STANDARD MOLAR ENTHALPHY OR FORMATION AND REACTION: Calculate the ∆H° of the following reaction.…

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