For the reaction delta H° = 98.8 kJ/mol and delta S° =141.5 J/(mol*K). 3H2 (g) +Fe2O2(s) →2Fe(s) +3H2O(g) (19) Over what temperature range (if any) is the reaction spontaneous?

Q: At 25 ∘C, the equilibrium partial pressures for the reaction   A(g)+2B(g)↽−−⇀C(g)+D(g) were found…

A:

Q: Consider the sublimation of iodine: I2(s) ----> I2(g) @298K a) If ΔG for this reaction is positive,…

A: Sublimation is the transition of a substance directly from the solid to the gas state, without…

Q: Which of these reactions is expected to be spontaneous at all temperature?          (A

A: We have to tell which reactions is expected to be spontaneous at all temperature

Q: 14) Consider the sublimation of carbon dioxide (dry ice) is spontaneous under standard conditions.…

A: Given reaction is :  CO2 (s) <-----------> CO2 (g) , ∆G0rxn = -18.7 KJ/mole or -18700 J/mole…

Q: Here is the reaction of carbon monoxide and hydrogen to form gaseous methanol at 298 K. (a)…

A: (a) ∆S° = -219.2 J/K (b) Sign of ∆S° = -ve (c) ∆H° = -90.5 kJ (d) ∆G° = -ve ( spontaneous reaction )

Q: You are studying the decomposition of CaCO3(s). CaCO:(s) → Cao(s) + CO2(g) ) At what temperature…

A: Given reaction:  Decomposition of CaCO3(s)

Q: Explain the difference between a spontaneous and non-spontaneous process, and provide an example of…

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Q: Calculate AG, at 340 K for synthesis of ethylene, C2H4(g), given the thermodynamic data below. Is…

A: Reaction is : 2C(s) + 2H2(g) -----> C2H4(g)  ∆H° = [ ∆H°(Product) ] - [ ∆H°(Reactant) ]  ∆H° = […

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

A:

Q: At what temperature will a reaction become spontaneous, if its AS is +100.3 J/mol and AH° is +48.90…

A: Given : ΔSo = 100.3 J/mol. And ΔHo = 48.90 KJ/mol = 48900 J/mol.…

Q: A reaction has values ΔS = 78.3 J K-1 mol-1 and ΔH = 46.5 kJ mol-1. At what temperature (in °C) will…

A: For a reaction becoming spontaneous the value of ∆G must be negative.

Q: The reaction of methane with water to form carbon dioxide and hydrogen is non-spontaneous at 298 K.…

A: Concept - When a reaction is spontaneous, the change in standard gibbs free energy become zero. as…

Q: Alcohols for use as biofuels can be produced from glucose that is obtained from starch and cellulose…

A: From thermodynamics laws , a reaction is  spontaneous if change in its Gibbs free energy is…

Q: a. N2 (g) + 3Cl2(g) → 2NCl3(g) ΔHo = 460 kJ/ mol; ΔSo = - 275 J/ K b. N2(g) + 3F2(g) → 2NF3(g) ΔHo =…

A: Here given multiple question...

Q: Absolute Entropy at 298 K (J/(K mol)) NO(g) 211 O2(9) 205 NO2(g) 240

A:

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: For a chemical reaction to be spontaneous only at low temperatures, which of the following…

A: For any reaction to be spontaneous, the value of ΔGo i.e DGo of the reaction should be -ve. Hence…

Q: For the reaction: 6 COx + 6 H;O CH12O6«9 + 6O) (photosynthesis)| a.)Calculate the ASmiy, and…

A: The given reaction is 6CO2(g)  + 6H2O(l)----------> C6H12O6(s) +  6O2(g) Ds0rxn = ∑S0 products -…

Q: D The formation of Nitrogen monoxide from its elementS IS nonspontanecus under ambient temperatures,…

A: A reaction is said to be spontaneous when the value of ∆G is negative. According to Gibbs-Helmohltz…

Q: 2 NH3 (g) + 2 O2 (g) → N20 (g) + 3 H20 (g) Is this reaction spontaneous only at low temperatures,…

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Q: Consider the vaporization of liquid water to steam at a pressure of 1 atm.In what temperature range…

A: vapourization in which the process in which the liquid to vapor phase. an endothermic reaction is a…

Q: Over what temperature range will the reaction KClO3(s) → KCl(s) + 3/2 O2(g) change from being…

A: Solution -

Q: Which of the following statements are true about spontaneous processes? I. Spontaneous processes…

A: Spontaneous process :-  A process which takes place on its own without the need of any external…

Q: Methanol is relatively inexpensive to produce. Much consideration has been given to using it as a…

A: Generally, Methanol and ethanol are easily produced with the help of simple types of organic…

Q: Consider the reaction: NH3 (g) + HCI (g) NHẠC1 (s) Given the following table of thermodynamic data,…

A: using the Enthalpy of formation, product-reactant  also apply the same concept to the entropy case .…

Q: Using the data, calculate the delta H°, delta S°, delta G° for the following reaction and say if it…

A: The reaction given is, => P4O10 (s) + 6 H2O (l) →C6H12O6 (s) + 6 O2 (g)

Q: Which statements are true? O ASsys = -ASurr for ice melting at room temperature. O All other…

A: The correct statements are:

Q: AH°, kJ/mol S°, J/mol·K 3. What is the lowest temperature at which the following reaction is…

A: Given reaction H2O(g)  +  C(s) → H2(g)  + CO(g)∆Hrxn0 = ∑  ∆Hf0(Product) - ∑ ∆Hf0(reactant)∆Hrxn0 =…

Q: The reaction of methane with water to form carbon dioxide and hydrogen is non- spontaneous at 298 K.…

A: To become the spontaneous reaction it must have change in Gibbs free energy negative. In order to do…

Q: 12. For a particular chemical reaction ΔΗ= 6.8 kJ and A--29 JK. Under what temperature condition Is…

A: Enthalpy of the given reaction is defined as the difference in the enthalpy of reactants and…

Q: The following reaction takes place at 120°C: H 2O( l) →H 2O( g)     Δ H = 44.0 kJ/mol   Δ S = 0.119…

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Q: Which of the following reactions are spontaneous at 298 K? AH = -200 kJ/mol, AS= -1.0 kJ/(mol*K) AH…

A: Recall the following expression for change in Gibbs free energy∆G               ∆G=∆H-T∆SIf for any…

Q: For a chemical reaction that is spontaneous at standard conditions, which of the following holds?…

A:

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

A:

Q: 12. Consider the oxidation of iron metal 4Fe +302g Astotal, Show that the reaction of spontaneous…

A: We need to find ∆Stotal . The sign of it will say that its spontaneous or non- spontaneous. Lets…

Q: Which of the following processes are spontaneous andwhich are nonspontaneous: (a) the ripening of a…

A: Since we only answer up to 3 sub-parts, we’ll answer the first 3. Please resubmit the question and…

Q: Is this reaction spontaneous? Why or Why not?  CaC2(s) + 2H2O(l) ---> C2H2(g)  + Ca(OH)2(s) Delta…

A: The entropy change, ΔSrxn, for the reaction is; ∆Srxn=∆Sproduct-∆Sreactant=83.4 J mol-1K-1+200.8 J…

Q: Decomposition of CaCO3 has a AH° = 178.3 kJ/mol and AS° = 159 J/molK. At what temperature does this…

A: We need to find the temperature for which reaction becomes spontaneous.

Q: Which of the following conditions is necessary for a process to be spontaneous? a. ΔHsys0ΔSsys>0…

A: According to the second law of thermodynamics, the spontaneous nature of the reaction is determined…

Q: Nitric oxide reacts with chlorine to form NOCI. The data refer to 298 K. 2NO(g) + Cl2(3) → 2NOC(g)…

A: The standard Gibb's free energy change of a reaction at 298 K can be calculated by the following…

Q: The figure represents the spontaneous deposition of iodine in which iodine vapor, I2(g), becomes…

A:

Q: 2 NH3 (g) + 2 02 (g) → N20 (g) + 3 H20 (g) Is this reaction spontaneous only at low temperatures,…

A:

Q: For the synthesis of ammonia where AG' = -33.3 kJ/mole, determine whether the reaction is…

A: The reaction given is, => Given:   And ΔGo = -33.3 KJ/mol = -33300 J/mol…

Q: A certain reaction has AH = -25 kJ/mol and AS = -50 J/mol·K. At what temperature range is the…

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Q: Use the standard free energy data to determine the free energy change for the following reactions,…

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Q: The reaction of methane with water to form carbon dioxide and hydrogen is nonspontaneous at 298 K.…

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Q: A reaction has AH°= 100 kJ/mol and AS°= 250 J/mol.K. Is the reaction spontaneous at room…

A: