Calculate the entropy change of 47.7 g of steam that condenses to liquid water at 373.15 K. The heat of condensation for water is - 40.79 kJ/mol. (Enter your answer in J/K). Without doing further calculations, which of the following statements apply to the entropy change of the surroundings for the problem above?     ΔSsurroundings will not change.     ΔSsurroundings will be positive.     |ΔSsurroundings| = |ΔSsteam|     |ΔSsurroundings| < |ΔSsteam|     ΔSsurroundings will be negative.     |ΔSsurroundings| > |ΔSsteam|

Q: A reaction has been determined to be AHrxn > 0, ASrxn <0. Select all the correct answers associated…

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Q: Consider the reaction below for the decomposition of carbon tetrachloride gas:  CCl4(g)    ------>…

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Q: Calculate the change in entropy that occurs in the system when 55.0 g of water vaporizes from a…

A: Given data contains, Mass of water is 55.0 g. The boiling point is 100.0°C. Heat of vaporization is…

Q: For a particular reaction, Δ?=120.5 kJ/mol and Δ?=758.2 J/(mol·K). Calculate Δ? for this reaction at…

A: Given data is  ΔH = 120.5 KJ/mol = 120500 J/mol And ΔS = 758.2 J/mol.K Since ΔG = ΔH - TΔS where T =…

Q: The enthalpy for a certain process is 121.9 kJ/mol and the entropy for the process is 454.8 J/K.  At…

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Q: 1.) Consider the following reaction: 2 AB (g) + B2(g) → 2 AB2(g) AH° = -485.0 kJ/mol a.) Do you…

A: a) ∆Ssys = negative  Explanation : 1) First reason is,  this reaction is exothermic reaction because…

Q: Above what temperature does the following reaction become nonspontaneous? 2 H2S(g) +3 02(g) - 2…

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Q: Enter your answer in the provided box. À reaction will be spontaneous only at low temperatures if…

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Q: ΔrS = 94.6 J K−1mol−1 ΔrH = 175.98 kJ/mol NH4Cl (s) → NH3 (g) + HCl (g) a) Calculate the ΔrG for…

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Q: How ΔGo is related to ΔHo and ΔSo . Illustrate by Equation ?

A: Given terms,    ΔGo , ΔHo and ΔSo  G - free energy H - enthalpy S - entropy

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A: we have to calculate the value of ∆SUNIV

Q: Calculate the entropy change (in J/K) of the universe (AS universe) that takes place when phosphene…

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Q: For a particular reaction, Δ?=139.99 kJ and Δ?=298.7 J/K. Calculate Δ? for this reaction at 298 K.…

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Q: Predict the sign of ∆S for physical and chemical processes?

A: Solution :    Entropy is a thermodynamic property that is a quantitative measure of the randomness…

Q: Consider the following reaction at constant pressure. Use the information below to determine the…

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Q: 1: Above what temperature does the following reaction become nonspontaneous? FeO(s) + CO(g) → CO₂(g)…

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Q: What is the entropy change when 2.50 moles of CCl₂F₂ vaporizes at 25.0 °C? [∆H(vap) = 17.2 kJ/mol at…

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Q: In freezing a mole of liquid water at the freezing point; the enthalpy of fusion is 6.0lkJ/mol…

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Q: Consider the following half-reactions: F2(g) + 2 e ® 2 F(aq) E° = +2.87 V Cu2+(aq) + 2 e ® Cu(s)…

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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: 1: Above what temperature does the following reaction become nonspontaneous? FeO(s) + CO(g) → →…

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

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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: Calculate the change in entropy that occurs in the system when 55.0 g of water vaporizes from a…

A: Given information- mass of water = 55.0 g  molar mass of water = 18.02 g/mol temperature, T = 100.0…

Q: ΔGo

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Q: What do you expect for the sign of ΔS in a chemicalreaction in which 2 mol of gaseous reactants are…

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Q: The standard enthalpy change and standard entropy change for the reaction are: A,HP = -666.2 kJ…

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Q: Two systems, each composed of two particles represented by circles, have 20 J of total energy. Which…

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A: Given-&gt; Weight of pentanol = 155.1 gm Molar mass of pentanol = 88.15 g/mole Enthalpy of…

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Q: NaOH Standardization

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Q: 2NO(g) + O2(g)→+2NO2(g) given the following reactions and enthalpies of formation: 1. N2(g) +…

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Q: Consider a chemical reaction with a change in enthalpy of 845 kJ/mol and a change in entropy of…

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Q: Heat is consumed to mold a plastic figurine. For this process, is the ΔH (change in enthalpy)…

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Q: Suppose that two systems, each composed of two particles rep- resented by circles, have 20 J of…

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Q: The ionization constant for water is 1.14*10-15 at 0 oC and 9.60*10-14 at 60.0 oC. i) Calculate the…

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Q: What is the entropy change when 2.30 moles of CCl₂F₂ vaporizes at 25.0 °C? [∆H(vap) = 17.2 kJ/mol at…

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Q: How many grams of nickel(II) fluoride, NiF2 , are required to make a 8.78 %(w/v) aqueous solution in…

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Q: For a particular reaction at 199.1 °C, AG = -159.63 kJ, and AS = 894.41 J/K. Calculate AG for this…

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