Calculate ΔH° for the process Sb(s) + 52Cl2(g) ⟶ SbCl5(s) from the following information: Sb(s) + 32Cl2(g) ⟶ SbCl3(s) ΔH° = −314 kJ SbCl3(s) + Cl2(g) ⟶ SbCl5(s) ΔH° = −80 kJ

Q: A chemical reaction has a enthalpy change of 171.8kJ and change in entropy of 788.3 J/K. what is the…

A: For spontaneous reaction ∆G<0 , For non-spontaneous reaction ∆G>0 Where ∆G is change in Gibbs…

Q: Use the table of standard entropies below to calculate the entropy of the following reaction in…

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Q: Consider the reaction Co(g) + H20(1)–→CO2(g) + H2(g) for which AH° = 2.800 kJ and AS° = 76.80 J/K at…

A: Given ∆Ssys = 76.80 J/K Temperature, T = 298.15 K Enthalpy change,  ∆H = 2.800 kJ * (1000 J/1 kJ) =…

Q: Given ΔHrxn∘= −135 kJ, ΔS∘rxn= −263 J/K, & T= 299 K, will the reaction be spontaneous?

A: Given: ΔHrxn∘= −135 kJ ΔS∘rxn= −263 J/K T= 299 K To find: Whether the reaction is spontaneous

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: What is the entropy change (in J/K) of 85 g of steam at 100°C when it condenses to water at the same…

A: At phase transition, the entropy change is defined as the ratio of enthalpy change and temperature…

Q: A certain reaction is spontaneous at 25°C. If the enthalpy change for the reaction is 29.8 kJ/mol,…

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Q: Calculate ΔH° for the process Sb(s) + 5 2 Cl2 (g) ⟶ SbCl5 (s) from the following information: Sb(s)…

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Q: The heat of vaporization of carbon disulfide, CS2, at 25 C is 27.2 Kj/mol. What is the entrophy…

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Q: 12. Consider the oxidation of iron metal 4Fe +302g → 2Fe,O) . by determining the sign of Astotal,…

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Q: For a reaction, ΔHrxn = -107 kJ and ΔSrxn = 285 J>K. At what temperature is the change in entropy…

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Q: How much heat is removed from the condensation of water at 25 C? Given the standard entropy of the…

A: A numerical problem based on chemical thermodynamics that is to be accomplished.

Q: W(s) W(1) AH fu = 35 kJ/mol; AS" fus = 10 J/(mol K) The chemical equation and thermodynamic data for…

A: Introduction :  We have to tell that the tungsten will melt or not .

Q: Calculate delta H degrees for the process: Zn(s) + S(s) + 2O2(g) = ZnSO4(s) from the following two…

A: Given:

Q: What are the signs of ΔH, ΔS, and ΔG for the spontaneous condensation of a vapor to a liquid?…

A: The reactions that occur on their own and do not need any external help for the reaction to take…

Q: Consider the general reaction at 29 degrees C: 2 A + 1 B → 3 C + 3 D ΔH reaction = -2,079 kJ…

A: The change in entropy of a system at a constant temperature and constant pressure is given as:…

Q: Calculate ΔS° (J/mol-K) for the reaction below, given the thermodynamic data in the table. Report…

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Q: For the reaction below AH = +92.2 kJ, and AS = +198.7 J/K. Estimate the temperature at which this…

A: To find the temperature.

Q: Which of the following processes are exothermic?N2 (g) → 2N (g)H2O (l) → H2O (s)Cl2 (g) → 2Cl (g)2H2…

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Q: It is determined that a particular chemical reaction has AH°rxn = 105 kJ and As°rxn = 252 JK1.…

A: For spontaneous reaction delta G must be negative....

Q: The standard enthalpy change for the following reaction is 1.39x10* kJ at 298 K Mn304(s)3 Mn(s) + 2…

A: Hess's law:The enthalpy change of a reaction is equal to the sum of enthalpy changes in each step.

Q: The entropy change for the process                                      H2 O(s) ⟶ H2 O(l)is 22.1 J/K…

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Q: 2A(S) + 2B(s) -> 2C(S) + D(g)  Calculate reaction enthalpy in kJ given the following:  X(s)…

A: Given, X(s) +1/2D(g)->A(s)      H1= -379kJ Y(g) + B(s) -> Z(g)         H2= -37kJ X(s) + Z(g)…

Q: Calculate the change of the entropy of the system in J/K for the following phase transition:…

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

Q: Suppose 20 g of ice at 0 °C is added to 300 g of water at 60 °C . What is the total change in…

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Q: Standard molar entropies for CO(g), CO2(g), and O2(g) are 197.9, 214.0, and 205.0 in J/mol K,…

A: Entropy Entropy is the measure of disorder in a reaction. When an amount of energy is added to a…

Q: 5. The entropy change of the process H2O (s) H2O () is 22 J/K at 0 °C. Calculate the enthalpy of…

A: H2O(s)↔H2O(l)∆H=22J/KT=0∘C=0+273K=273K∆S=∆HT

Q: Consider a process in which the entropy of a system increases by 105 J K−1 and the entropy of the…

A: Given information,    The entropy of a system increases by 105 J K−1    The entropy of the…

Q: What is the standard change in free energy (in kJ) at 127°C for the reaction below, given ∆H° = -312…

A: given data are- ∆H° = -312 kJ  ∆S° = +66.7 J/K temperature = T = 127oC = 127 + 273 = 400 K free…

Q: Which of the following relationships is correct? A) Delta G > 0 represents an increase in kinetic…

A: Free energy is a measure of spontaneity of chemical process.

Q: The enthalpy change (ΔHrxn) for a certain reaction is 700.0 kJ/mol.  The same reaction has an…

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Q: The normal boiling point of ethanol is 78.85 °C and the molar enthalpy of vaporization, AHvap, is…

A: When a liquid change to a vapor state the entropy of the system increases. The entropy of…

Q: Which of the following processes is both exothermic (at 1 atm) and spontaneous? A) Sublimation of…

A: The process which is both exothermic and spontaneous is condensation of water at 99.5°C.

Q: Calculate the change of the entropy of the system in J/K for the following phase transition:…

A: Given data -  Mass of methanol = 64.1 g  Molar mass of methanol = 32.04 gmol-1   Enthalpy of…

Q: For the reaction below ΔG° = +33.0 kJ, ΔH° = +92.2 kJ, and ΔS° = +198.7 J/K. Estimate the…

A: The given data : ΔG° = 33.0 kJ ΔH°= +92.2 kJ ΔS°= +198.7 J/K To determine : The temperature of the…

Q: Using the provided data, determine the temperatures at which the following hypothetical reaction…

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Q: Q.6 The standard enthalpy of combustion of solid urea (CO(NH2)2) is -632 kJ mol at 298 K and its…

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Q: 4. The entropy change for the process H2O(s) → H2O(1) is 22.1 J/K and requires that that…

A: Given:  ∆Ssystem = 22.1 J/K  qsystem = -qsurrounding = 6.0 KJ = 6000 J  Temperature (T) = 10°C = 283…

Q: y 20. Which process is most likely nonspontaneous at 25°C and 1 atm? (A) A rock climber repels down…

A: Almost all processes are spontaneous. Spontaneous processes are the process which occurs without the…

Q: At what temperatures will the following processes be spontaneous?    ΔH= -18 kJ and ΔS= 65 J/K

A: Given: the value of enthalpy change (∆H) = -18 KJ The value of entropy change (∆S) = 65 J/K For a…

Q: 10. Use the data: AGº (CO) = -137.2 kJ, AGº (C) = 0 kJ, AGº (O₂) = 0 kJ, to find K at 298 K for the…

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Q: What is the temperature at which the reaction below becomes spontaneous, if the standard entropies…

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Q: A certain reaction is spontaneous at 65 ° C. If the enthalpy change for the reaction is  15…

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Q: Priestley prepared oxygen by heating mercury(II) oxide. From the data given below estimate the…

A: Goven-> ∆H°=90.83 KJ =90830 J  S°(Hg) = 76.02 J/mole.K S°(HgO) = 70.29J/mole .K S°(O2) = 205.0…

Q: A reaction has AH = -112 kJ and ASan = 354 J/K. At what temperature is the change in entropy for the…

A: The given data contains, ∆H°reaction=-112 kJ∆S°reaction=354 J/K

Q: For a particular chemical reaction H = 6.8 kJ and S = –29 J/K. Under what temperature condition is…

A: The Gibbs free energy change for a reaction is negative for a spontaneous reaction and is zero for a…

Q: Given the values of ΔH and ΔS, which of the following changes will be spontaneous at constant T and…

A: Given :  ΔH = 125 kJ ΔS = 15.0 J/K T = 300. K

Q: Consider the reaction N2(g) + 2H20(1)–2NO(g) + 2H2(g) for which AH° = 752.2 kJ and AS° = 351.6 J/K…

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Q: For the reaction 4NH3(g) + 5O2(g) ⇄ 6H2O(g) + 4NO(g) ΔG* = −955.6 kJ What is the free energy…

A: The balanced reaction taking place is given as, => 4 NH3 (g) + 5 O2 (g) ⇄ 6 H2O (g) + 4 NO (g)…