The following general reaction is not product-favored at room temperature. A + B → C + D ∆rH˚ = +50.0 kJ and ∆rS˚ = +100 J/K At what temperature will the reaction become product-favored?

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: For the following reaction:    H° = -1037 kJ and S° = -153 J/K Calculate G° at 25°C for this…

A: Given that : H° = -1037 kJ = -1037000 J and S° = -153 J/K We have to calculate G° at T = 25°C = 298…

Q: Calculate the entropy change for the freezing of 112 g of ethanol, C2H5OH, at its freezing point of…

A: The entropy of a liquid is higher than the solid, hence during the freezing, the entropy of 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: Which substance would have the greatest standard molar entropy? O N2(g) NO2(g) O N2(1) O NO2(1)

A: Entropy (S): entropy dependence on randomness of a system . For example randomness order…

Q: Which of the following reactions correctly depict reactants and products in the correct state to…

A: In the reaction, states of matter was written as a subscript to the molecules which takes part in…

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: 6.Sodium reacts violently with water according to the equation: 2 Na(s) + 2 H2O(l) → 2 NaOH(aq) +…

A: Now as the temperature of the water is higher, it signifies that the reaction was endothermic and…

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: Above what temperature does the following reaction become nonspontaneous? N204(9) + 4 H2(g) → N2(9)…

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Q: he Keq of a reaction is 4 x 10⁻⁷. At equilibrium, the... * reactants are favored…

A: The value of the equilibrium tells us whether the reactants are favored or the products are…

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: For a certain chemical reaction H = -35.4 kJ and S = -85.5 J/K. A. Is the reaction endo or…

A: The question is based on the concept chemical thermodynamics.   We have been given enthalpy &…

Q: Which of the following substances has the highest standard molar entropy (S°) at 25°C?     a. .…

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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: What is the change in entropy when 0.600 g of water decomposes to form hydrogen gas and oxygen gas…

A: Given, 2H2O(l) ----> 2H2(g) + O2(g); Delta S° = 326.3 J/K at 298 K

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: Keq

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Q: 2Al(s) + 3Cl2(g) → 2AlCl3(s) Find the change in internal energy for this reaction. Enter in kJ.

A: The given equation is:

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

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Q: Calculate AHxn for the reaction: 2H,0(1) → 2H2(g) + O2(g) Use the following information: H,0(g) →…

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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: Which reaction is most likely to have a decrease in entropy? O NaCl(s) → Na*(aq) + Cl(aq) O 2 NH3(g)…

A: When the reaction shows the positive entropy change then the reaction is spontaneous.

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

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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: Consider the following generic reaction: A+2B→C+3D with ΔH = 111 kJ . Determine the value of ΔH for…

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Q: H,0, (1) decomposes to H,0 (1) and 0,(g) at constant pressure by the following reaction: 2H,02 (1) →…

A: Exothermic reactions are those reactions in which heat is released. On the decomposition of two…

Q: The synthesis of the pesticide thionyl chloride (OSCl2) proceeds according to the following…

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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: Consider the formation of nitrosyl chloride from NO and Cl2 at 25.0°C: 2NO(s) +Cl2(g) → 2NOCI(g)…

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

A: The given reaction is as follows:

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: What is the entropy change of the system in J/K for the reversible cooling of one mole of copper…

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Q: 58. Estimate the temperature at which for the following reaction becomes thermodynamically…

A: The reaction is thermodynamically favorable when the Gibbs free energy is negative. The relationship…

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: For each of the following reactions, indicate whether you would expect the entropy of the system to…

A: Entropy gives us the sense of how random the molecules in the system are. Higher entropy means…

Q: Which of the following substances has the lowest absolute molar entropy at 25°C?   Group of answer…

A: The substances given are HCl(l), HCl (g), HCl (s), HBr (g) and HI (g).

Q: For:                     2 NO (g)  +  Cl2 (g)   →  2 NOCl (g)    the ΔHo is −37.78 kJ and ΔSo is…

A: Le chatelier's principle states that when a physical change is applied to any reaction present at…

Q: In which case will a chemical reaction ALWAYS proceed spontaneously at all temperatures (DH and DS…

A: Feasibility of a reaction depends on the change in Gibbs free energy ∆G.  The value of change in…

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 temperature will there be no free energy if AH°=13.7 kJ and AS°=52.8 J/K? 3850 K 259 K 723 K…

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Q: Which of the following reactions is likely to have the most negative change in entropy? NH3(g) b.…

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

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Q: Below what temperature does the following reaction become nonspontaneous? 2 HNO3(aq) + NO(g) • 3…

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Q: Below

A: Here, you can see both values of ∆H and ∆S are positive so if temperature is low then Reaction is…

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: reaction Ag2O → 2Ag(s) + 12O2(g), ΔH = 30.56 KJ mol− and ΔS = 66 J K−1 mol at 1 atmosphere pressure.…

A: □H = 30.56 kJ/mol □S = 66 J/K-mol □G = □H - T □S

Q: In the presence of excess oxygen, methane gas burns in a constant-pressure system to yield carbon…

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Q: 11. For which of the following reactions will the entropy of the system decrease? A. 2 NH3(g) …

A: Gas has more entropy than liquid which have more entropy than solid. In the above reaction D. there…

Q: Which pure substance under standard conditions would have the highest entropy?   O2   HCl   CH3OH…

A: Standard conditions are usually defined as 298 K (25 degrees Celsius) and 1 atm of pressure. Note…