Consider the following reaction: CaO(s) + CO2(g) → CaCO3(s); ΔG° = –130.9 kJ at 298 K At what partial pressure of CO2(g) will the reaction no longer be spontaneous at 298 K?  (R = 0.0821 L ∙ atm/(K ∙ mol) = 8.31 J/(K ∙ mol)) 8.77 × 1022 atm 1.59 × 108 atm 1.00 atm 1.14 × 10–23 atm 6.28 × 10–9 atm

Q: Calculate ΔGo for the following reaction at 25oC.  C2H4(g)   +   O2(g)  ---->   CO2(g)   H2O(g)…

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Q: a) Calculate AGxn for the reaction (AHrxn=572 kJ; ASrxn° = 179 J/K).

A: We know ∆Gorxn = ∆Hrxno - T∆Srxno . For a reaction to be spontaneous ∆G should be -ve . At…

Q: 15) Consider the following reaction at 25°C. If the pressure of H2 is 1.00 atm, the pressure of N2…

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

A: A negative value of Gibbs free energy change is indicated spontaneous reaction whereas a positive…

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

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Q: which of the following reaction is spontaneous at 25c when each of the reactants and products are in…

A: The objective of the question is to determine whether the given reaction is spontaneous at 25°C when…

Q: 13) Calculate AG° spontaneous in each case? for the reaction above at a) -50.0 °C and at b) 675 °C.…

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Q: Consider the reaction:  H2S(g)+SO2(g)---> 3S(g)+2H2O(l) for which delta H is -233 kJ and delta S…

A: Given:

Q: Consider this reaction: N2 (s) + 2 02 (g)→ 2NO2 (g) AS° = -121.77 J/K.mol; AH° = %3! 66.36 kJ/mol…

A: From the given question it is given that, ΔSo < 0 ΔH0 > 0

Q: A) AG becomes less negative and the reaction becomes less spontaneous. B) AG becomes more negative…

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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: What is the temperature range in which the following reaction is spontaneous? N₂+ 3H2 → 2NH3 S N2(g)…

A: The total entropy change (ΔS) for the reaction can be calculated using the formula: ΔS = Sproducts -…

Q: 2 ClO2 (g)   +  2 TiCl4 (l)    →     2 TiO2 (s)   +   5 Cl2 (g)         Delta H =  – 343.8 kJ when…

A: Please have a look on the solutiion:

Q: For a certain reaction, ΔH = -35.4 kJ/mol and ΔS = -85.5 J/K mol. Is this reaction endothermic or…

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Q: b Consider the reaction: Ca(s) +2 H20(1) →Ca(OH)2(aq) +2H2(g) AHF°(kJ/mol) -285.83 -1002.82 --…

A: Th total heat transferred in a reaction is called enthalpy. It is denoted by H. The degree of…

Q: Calculate the standard Gibbs free-energy change, ΔG°rxn, for the following reaction at 25 °C. Si(s)…

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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: Consider the following reaction: 2 O3(g)  →  3 O2(g)    ΔS∘∘ = 137.4 J/K;  ΔH∘∘ = −285.4 kJ…

A: To calculate ΔGo for the given reaction.

Q: Which are spontaneous at high temperatures? Choose one or more: A 2H,S(g) + 30,(g) –→ 2H,0(g) +…

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Q: Consider the reaction:  4 A (g) ------  2 B (s) +  3 C (g) + 20.5 kJ,    at what…

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Q: Example: What is the temperature range in which the following reaction is spontaneous? N₂+ 3H2 →…

A: The change in entropy (ΔS) for a reaction can be calculated using the formula:ΔS=ΣS−ΣSwhere ΣS is…

Q: 2 (g) + 3H2 (g)  2NH3 (g) ΔrS = - 201 J K−1mol−1 ΔrH = - 99.3 kJ mol-1 a)    Calculate the ΔrG…

A: The balanced equation is: N2(g) + 3H2(g) ⇌ 2NH3(g)  ∆rS = - 201 J.mol-1.K-1 or - 0.201 kJ.mol-1.K-1…

Q: Calculate the enthalpy of vaporization of water at its normal boiling point. ΔS° [H2O()] = 69.9…

A: Given: ΔS° [H2O(l)]=69.9 J/K⋅mol ΔS°[H2O(g)]=188.8 J/K⋅mol T=100oC=373 K To find: Enthalpy of…

Q: Calculate the temperature (in oC) above which the following standard reaction is spontaneous.…

A: The relationship between Gibbs energy chane (∆G°) , entropy change (∆S°) and enthalpy change (∆H°)…

Q: If ΔS ̊sys = -198.3 J/K, is the reaction spontaneous at 25 ̊C. -ΔSuniv = ΔSsys + ΔSsurr > ? -…

A: Enthalpy change of the reaction can be calculated as the difference between the enthalpy of…

Q: Example: What is the temperature range in which the following reaction is spontaneous?N2 + 3H2 →…

A: Step 1:Step 2:

Q: Consider the following reaction: 2 AB2 (g) ⟶ 2 AB(g) + B2(g)           ΔHo= +480.0 kJ/mol a.) Do…

A: Given Chemical Reaction is -  2 AB2 (g) ⟶ 2 AB(g) + B2(g)           ΔH° = +480.0 kJ/mol  Here the…

Q: What is the temperature range in which the following reaction is spontaneous? N₂+ 3H2 → 2NH3 S N2(g)…

A: The change in entropy (ΔS) for a reaction is calculated by subtracting the sum of the entropies of…

Q: о Example: What is the temperature range in which the following reaction is spontaneous? N₂+ 3H2 →…

A: The problem is asking for the temperature range in which the reaction of nitrogen and hydrogen to…

Q: If ΔS ̊sys = -198.3 J/K, is the reaction spontaneous at 25 ̊C.

A: First, we need to calculate the enthalpy change of the reaction (ΔHrxn). This can be done using the…

Q: For a particular reaction, Δ?∘=67.7 kJ/mol and Δ?∘=126.9 J/(mol⋅K). Assuming these values change…

A: Given : ΔHo of reaction = 67.7 KJ/mol = 67700 J/mol…

Q: Calculate Δ S° for the following reaction.  N 2( g) + 2 O 2( g) → 2 NO 2( g) a: -121.5 J/K b: 636.5…

A: The formula used to get the Δ S° for any reaction is given as - Δ S°rxn = Δ S°pdt - Δ S°rct

Q: For a particular reaction, AH° = 67.7 kJ and AS° = 126.9 J/K. Assuming these values change very…

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Q: For the reaction 2NO(g) + O₂(g) → 2NO2(g), AH°=-113.1 kJ/mol and AS°= -145.3 J/K-mol. Under which…

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Q: What is the temperature range in which the following reaction is spontaneous? N₂+ 3H2 → 2NH3 S N2(g)…

A: The total entropy change (ΔS) for the reaction can be calculated using the…

Q: The reaction, Fe203(s) + 3C(s) → 2Fe(s) + 3CO(g) AH° = +490.7 kJ, AS° = +541 J.K-1 This reaction is…

A: A particular reaction would be spontaneous, if the gibbs free energy change of the reaction becomes…