Calculate ∆Sº for the reaction, 2SO2(g)+O2(g)→2SO3(g), given Sº in J/mol-K, is 248.5, 205.0, & 256.2, respectively: a -189.6 J/K b 189.6 J/K c 197.3 J/K

Q: Which process has a larger entropy change: melting ice or boiling water? Explain.

A: The entropy is the degree of randomness or disorder of matter. Gas particles have higher kinetic…

Q: Given these values, ΔHorxn = +75 kJ; ΔSorxn = +120 J/K; T = 298 K; calculatethe free energy change…

A: The importance of Gibbs energy is that it gives information about the spontaneity of the reaction or…

Q: Calculate the enthalpy change for the reaction 2K+S → K₂S using the following thermochemical…

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Q: 1. Given CHa + 3 Ore + 2 CO + 2 H,O with AH° = -1323 kJ and AS° = -30 J/K Decide if the reaction is…

A: If the Gibbs free energy change for a reaction is negative then the reaction will be spontaneous and…

Q: Using Thermochemical Data, calculate ΔS for the following reaction. Is entropy increasing or…

A: ANSWER IS

Q: For a particular reaction at 212.7 °C, ΔG=−843.71 kJ, and ΔS=603.37 J/K. Calculate ΔG for this…

A: Given : At temperature 212.7 °C, ΔG = -843.71 KJ = -843710 J…

Q: What is the sign for each of the following? (Change in) a. S, H, G for the evaporation of a…

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Q: At 25°C, the formation of ammonia from its elements results in a decrease in entropy (∆SRXN = -197…

A: According to the question about the formation of ammonia we have, The Change (decrease) in the…

Q: The molar entropies of carbon monoxide and carbon dioxide at 25°C are 197.7 and 213.8 J/molK,…

A: The molar entropy in terms of micro-state is given as :

Q: For the gaseous reaction of carbon monoxide and chlorine to form phosgene (COCl2), perform the…

A: Given,ΔHo = −220. kJ/molΔGo = −206 kJ/molTemperature = 298 K

Q: Without doing a calculation predict whether the entropy change will be positive or negative when…

A: Entropy is the degree of disorderness or randomness. More closely packed the molecules, lesser will…

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

A: Given, The balanced chemical equation is given below, 2H2O(g)+3O2(g)→2SO2(g)+2H2O(g) Then, ∆H=-1036…

Q: State whether the sign of the entropy change expected for each of the following processes will be…

A: Entropy is a thermodynamic quantity that is a measure of randomness. The more entropy, the more will…

Q: At 25°C, the formation of ammonia from its elements results in a decrease in entropy (∆SRXN = -197…

A: we have to calculate the value of ∆SUNIV

Q: The molar entropies of methane and carbon dioxide at 25°C are 186.6 and 213.8 J/mol·K, respectively.…

A: The molar entropy in terms of microstates can be expressed as,…

Q: What is the entropy change (in J/K) associated with the formation of 15.0 g of SO2 for the reaction…

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Q: Which substance has the higher entropy?(a) dry ice (solid CO2) at -78°C or CO2(g) at 0 °C(b) liquid…

A: Entropy is defined as the degree of randomness or disorderliness of the System.   if the molecules…

Q: 73. Given the following data Ca(s) + 2C(graphite) → CaC2(s) Ca(s) + O,(g) –→ CaO(s) CaO(s) + H,O(1)…

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Q: 46. Which of the following involves a decrease in entropy? A) the sublimation of solid CO2 into CO2…

A: The correct answer about entropy is given below

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: 12) Above what temperature does the following reaction become nonspontaneous? 2 H2S(g) + 3 O2(g) → 2…

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Q: The dissolution of ammonium nitrate occurs spontaneously in water. As NH4NO3 dissolves, the…

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Q: K (s) + ½Cl, (g) – KCI (s) AH° = – 437 kJ/molpn 14. It is observed that the reaction producing KCl…

A: Given reaction is having formation of KCl from its elementary reactants.

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

A:

Q: Adding sidewalk deicer (calcium chloride) to water causes the temperature of the water to increase.…

A: A crystal of CaCl​​​2 is highly ordered. Strong ionic bond holds the anions and cations together in…

Q: Which of these processes are nonspontaneous? Are the nonspontaneous processes impossible?a. a bike…

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Q: If heat from the surroundings was absorbed by the system, and the products were more ordered than…

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Q: 10.43 Which reaction occurs with the greater increase in entropy? Explain yo (b) Br,(g) + Cl,(g)→ 2…

A: 10.43 has been solved. For 10.47 b, more data is needed from the table.  Entropy is the measure of…

Q: Explosive reactions often have a large negative enthalpy change and a large positive entropy change,…

A: In this reaction we get ∆G° is negative so reaction will be favourable. n is the total moles of gas…

Q: Given these values, ΔHorxn = +75 kJ; ΔSorxn = +120 J/K; T = 298 K; calculatethe free energy change…

A:

Q: Without doing a calculation predict whether the entropy change will be positive or negative when…

A: Entropy is a thermodynamic quantity that gives us the measure of randomness or measure of disorder…

Q: A certain reaction has ΔH∘ = + 35.8 kJ and ΔS∘ = 85.5 J/K. 1. exothermic or endothermic? 2. Does…

A: “Since you have posted a question with multiple sub-parts, we will solve first three subparts for…

Q: For the decomposition of mercury(II) oxide, HgO, to mercury and oxygen:             2HgO(s)…

A: Solution : the standard Gibbs free energy of formation (Gf°) of Mercury (II) oxide is -58.6 KJ.mol-1…

Q: Given the following chemical reaction occurring in a 2.00 L container: A (g) + 2 B(s) ↔ 4 C(g) + 3…

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Q: A chemist fills a reaction vessel with 2.62 atm nitrogen (N₂) gas, 3.76 atm hydrogen (H₂) gas, and…

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Q: For each pair listed below, which choice has the substance with the highest entropy listed first?…

A: Entropy is a measure of the energy dispersal in the system. It is the measure of a system's thermal…

Q: 1. Iron(II) oxide (FeO) is used in cosmetics and in tattoo inks as a dye. Iron(II) oxide reacts with…

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Q: 9. Which of the following statements best describes the entropy of water that freezes in a beaker?…

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Q: Which change is likely to be accompanied by an increase in entropy? A. N2 (g) + 3 H2 (g) → B. Ag*…

A: The answer is C

Q: At 298 K, ΔH° for this reaction is -137.5 kJ/mol, and ΔS° is +120.5 J/K. What is the value of ΔG°…

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

Q: 4. The entropy will usually increase when 1. a molecule is broken into two or more smaller…

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Q: What is the free energy change for the process shown here under the specified conditions? T= 25 °C,…

A: Calculation of QP: QP=PN2×PH23PNH32=0.870×0.250312.92=0.000327

Q: 20) Hydrogen peroxide decomposes to water and oxygen at constant pressure by the following reaction:…

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Q: Predict the sign of entropy. Write P if it is positive and N for negative. • sugar dissolving in tea…

A: Entropy is defined as the randomness of the system.

Q: What is the change in entropy for the vaporization of 27.0 g of H2O at 100°C? At this temperature,…

A: The molar enthalpy of vaporization of water is 44.0 kJ/mol which is equal to 44000 J/mol. The heat…

Q: Pick the substance from each set that would have the largest molar entropy. Set 1 Set 2 CH-(g) or…

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Q: Use the following data to determine the AH° for the conversion of diamond into graphite:…

A: From given data : Calculate ∆H ° for C(s, diamond) ---> C(s, graphite)

Q: Calculating ΔG under Nonstandard Conditions What is the free energy change for the process shown…

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Q: Calculate ΔS° for each of the following reactions. Explain the sign of ΔS° based on the molecular…

A: Entropy is defined as the degree of randomness or disorderliness of the System.   if the molecules…