4. At 25° C, the enthalpy change AH° for the ionization of an acid HA is +6.3 kJ/mol, and the entropy change AS° is +0.0048 kJ/(mol K). What is the pKa of this acid?

Q: A reaction A(aq) + B(aq) = C(aq) has a standard free-energy change of -4.76 kJ/mol at 25 °C. What…

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Q: When deltaG is positive then the reaction is____________ A) All of the above, it depends on more…

A: For any reaction to be a spontaneous reaction, the value of Gibbs free energy change i.e ΔG should…

Q: 17. Would you expect the following reaction to have a favorable or unfavorable change in entropy?…

A: Degree of randomness increases product side. Hence, change in entropy increases.   ∆G = ∆H -T∆S ∆G…

Q: *d. Express and calculate Q (at to) е. Express and calculate K. f. What value do you expect for…

A: Ecell0=Ecathode0-Eanode0, must be positiveEcell0=Ereduction0-Eoxidation0Ecell0=(-1.72-(-2.76))…

Q: For the reaction below, A2+B → A2B if ΔG°= -96.4 kJ•mol-1, what is the value of K at 298 K ?

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Q: Calculate deltaG for the reaction /, (02) = [O]Fewto at 1650 degrees Celsius. Given: (H2) + / (02)…

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Q: Calculate AG° for the following reaction, using the provided information. 2 CoН6) + 15 02(9) — 12…

A: The balanced reaction given is, The data given for the standard formation free energies are,

Q: We find the following statement in a chemistry textbook: "At pH7.0 and 0.01 M Mg lon, the standard…

A: Given that, at pH 7.0 and 0.01 Mg2+ ion, the standard free energy change for ATP hydrolysis is -28…

Q: 10- PCI5(g) → PCI3(g) +Cl2{g) For the reaction above, AH° = +22.1 kilocalories per mole at 25°C (a)…

A: Hello. Since your question has multiple sub-parts, we will solve the first three sub-parts for you.…

Q: (a) Use the data given below and calculate AHº, ASO, AGO, and K, at 25° C for the reaction: 2 SO:…

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Q: O Delta S must be negative Question 20 Which group is in the correct order of increasing molar…

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Q: How does this relate to the Gibb's Free energy change in oxygen transfer in the tissues?

A: Gibbs free energy is also related in oxygen transfer in the tissue.oxygen transfer in the tissue by…

Q: Part B Calculte the standard entropy change, 4,S° for the reaction. -114.0 JK mor O 114.0 JK mot O…

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Q: HO. НО + CH3 H2 н С. °C + H CH3 H2 HO C. N. °C ОН ÓH noradrenaline adrenaline AH? -3182 kJ/mol -246…

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Q: NUMBER 63 and 64 and 65

A: Since you have asked mutiple questions we will answer the first qu i.e 63.

Q: When the reaction A + B ⇌ C is at equilibrium, the concentrations of reactants are as follows: [A] =…

A: The equilibrium reaction and the equilibrium concentrations of the reactants A and B and the product…

Q: What are the signs of AH°, AS" and AG° for the reaction of dissociation of N2 moiecuie to two…

A: Since there is triple bond between two N atom hence breaking of triple bond is quite difficult…

Q: Which response includes all of the following processes that are accompanied by an increase of…

A: The reactions given are, I) NaCl (s) →H2O Na+ (aq) + Cl- (aq) II) CaSO4 (s) →H2O Ca2+ (aq) + SO42-…

Q: A reaction A(aq)+B(aq)−⇀↽−C(aq) has a standard free‑energy change of −4.65 kJ/mol at 25 °C. What are…

A: Relation between Gibb’s free energy and equilibrium constant is:

Q: A reaction A(aq)+B(aq) = C(aq) has a standard free-energy change of –3.75 kJ/mol at 25 °C. What are…

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Q: The requirement for a spontaneous chemical reaction is _____ ______ 0 First Box choices -deltaG…

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Q: 3c. Calculate AH for the following reaction, FeO(s) + CO(g) Fe(s) + CO2(g), from the following data,…

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Q: 19 Consider the reaction: Cl20 (g) + 3/2 O2 (g) --> 2CIO2 (g) Given the following data: AH°…

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Q: AS is negative for which of the following reactions? H2O (1) --> H2O (g) O2C (s) +O2 (g) --> 2 CO…

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Q: Silver chloride is broken down in this equilibrium reaction: AgCl(s) Ag+(aq) + Cl− (aq).

A: Enthalpy of the reaction is defined as the change in the amount of heat absorbed or released during…

Q: A reaction A(aq)+B(aq) = C(aq) has a standard free-energy change of -5.18 kJ/mol at 25 °C. What are…

A: given Reaction A + B= C at 25 degree centigrade standard free energy change = -5.18 conc A= 0.30M,…

Q: The standard reaction free energy AG°=-311. kJ for this reaction: P4(s) + 20 HF(9)→4PF5(9) + 10…

A: The reaction given is  1)                              ΔG0 = -311 KJ

Q: ct if the entropy is increasing or decreasing in the followin + Nai6) --> 2NH3g) + Ozig) --> 2MgOe)…

A: N2 + 3H2  ------> 2NH3  In general, when a reaction has fewer moles of gaseous products than the…

Q: he equilibrium constant for the folding of large protein (i.e., unfolded → folded) i aximum value…

A: A option is correct. The free energy is most favourable at 30°C as well. ∆G = - RTlnK  If K is…

Q: A reaction A(aq)+B(aq) = C(aq) as a standard free-energy change of -4.18 kJ/mol at 25 °C. Vhat are…

A: We have to calculate concentration of all species at equilibrium .

Q: For the reaction 2Na(s) + 2H20(1)– -2N2OH(aq) + H2(g) AH° = -368.6 kJ and AS° = -15.3 J/K The…

A: The given reaction is  2 Na (s) + 2 H2O (I) ---------> 2 NaOH (aq) + H2 (g)

Q: [2] [a] The forward reaction is spontaneous for a particular reversible reaction. What can you…

A: To determine these , we would use thermodynamics chemistry laws and formulae .

Q: the K for a reaction is determined to 3.81 at 20.26 ºC, then what is ΔG for the reaction (in J/mol,…

A: Given-> K = 3.81  T = 20.26 °C = 20.26 + 273 = 293.26 K

Q: Given the following reaction 4HCl(g) + O2(g) → 2Cl2(g) + 2H2O(g) ΔH0 f, kJ/mol: HCl(g) (-92.31),…

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Q: Calculate AGpn for the reaction 2Fe3O4(s) -> 6FeO(s) + O2(g) given that rxn AGn (Fe3 O4(s)) =…

A: The free energy change of the reaction can be calculated by taking the difference between the free…

Q: 3. (a) Use the data given below and calculate AHº, ASº, AGº, and K, at 25° C for the reaction: 2 SO,…

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Q: The free energy change for ATP hydrolysis is -46.7 kJ/mol. What is the standard free energy change…

A: Free energy change ∆G = - 46.7 kJ /mol Standard free energy change ∆G 0 = ∆G  - RT ln Q Where Q is…

Q: Calculate ASrxn° (in J/K) for the following reaction using S° values from Appendix G in your…

A: Given: 3NO2(g)+H2O(l)→2HNO3(aq)+NO(g) To find: ∆Sorxn Solution : Entropy of the reaction is defined…

Q: Question attached

A: Given data: ∆G° = -9.50 kJ/moleT = 25 °C = 298.15 K[PCl3] = 0.40 M,[Cl2] = 0.25 M,[PCl5] = 0.35 M…

Q: Predict the sign of delta S and then calculate delta S for the following reaction.…

A: 1) The given reaction is: 2CH3OH(g)+3O2(g)→2CO2(g)+4H2O(g) The no. of moles of products are 6 and…

Q: a. Calculate AH° , ASº and AGº at 25°C for this reaction. AH° r (kJ/mol) AS° (J/mol-K) CS2 (g) 116.9…

A: By the help of  dG = dH -TdS Here dG is a gibbs free energy change which represent free energy which…

Q: Consider the reaction  2O(g)=O2(g) a. Predict deltaH and deltaS.  b. Would the reaction be more…

A: Considering the provided  reaction, i.e.  2O(g)→O2(g) Here two gaseous atoms (reactant ) transform…

Q: At 725 K, AG° = -21.6 kJ/mol for the reaction A (g) + 2 B (g)3 C (g). If the partial pressures of A,…

A: Given temperature is 725 k

Q: Which one of the following parameter effects the free energy of a reaction? Select one: O a.…

A: At any given temperature, the Free energy of a chemical reaction (∆Grxn ) is depends on the enthalpy…

Q: What is the standard free-energy change, AGº, for the following reaction at 54.4 °C? N(g) + 3H>(g) →…

A: Step 1) Standard free energy: The standard free energy or Gibbs free energy is defined as the energy…

Q: Given the following reaction: H2(s) + 12s)-→ 2 Hlg) A H (kJ/mol) SU/molK) 130.7 (8)H 62.4 260.7…

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Q: Fill in the blanks below, with A, B, C or D: A B E Structure c is expected to have the highest molar…

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Q: For the reaction H2O(s) --> H2O(l), which is the value of delta S

A: Standard entropy of a reaction is the entropy of one mole of a compound at specific conditions of…

Q: At what temperature in Kelvin will a reaction have delta G =0? Delta H=25.5kJ/mol and Delta S=…

A: Gibbs free energy : It is a chemical energy and it measures by change in enthalpy minus the product…