Calculate the standard Gibbs free energy change, ∆Gorxn, for the following  reaction at 25.0oC:  Ca3(PO4)2(s) → 3Ca2+(aq) + 2PO43– (aq),     Ksp = 2.07×10–33  Calculate it with correct units and significant figures.

Q: standard Gibbs energy (G°) of

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Q: The molar enthalpy of solid sodium hydroxide with a solution of hydrochloric acid. NaOH(s) + HCI(aq)…

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Q: A critical reaction in the production of energy to do work or drive chemical reactions in biological…

A: Given: ∆G0rxn = -30.5 kJ/mol pH of the reaction = 7 Temperature (T) = 370C = 310 K Concentrations:…

Q: Hydrochloric acid reacts with sodium hydroxide to form sodium chloride and water. If the change in…

A: Given, HCl is react with NaOH to form NaCl and H2O .  The change in enthalpy is 56.13 KJ and the…

Q: 11 Q nple of KOH(s) at 25.0 C was added to 100.0 g of H,O(1) at room temperature inside an insulated…

A: Given that,  KOH is dissolved in water. After all the KOH is dissolved, the temperature of the…

Q: When a 5.00 g5.00 g sample of KClKCl is dissolved in water in a calorimeter that has a total heat…

A: Given : Mass of KCl dissolved = 5.00 g Total heat capacity of calorimeter = 4.12 KJ/K And the change…

Q: Calculate the equilibrium constant at 37oC for the reaction Glucose + 6O2 + 36ADP + 36Phospate →…

A: Given,  ΔGo= -423 kcal/mol

Q: Calculate the standard reaction entropy at 298 K when 1 mol NH3(g) is formed from its elements in…

A: Given: Temperature(T)= 298 K When 1 mol of NH3 is formed from its elements in their reference…

Q: Given the thermodynamic data in the table below, calculate the standard Gibbs free energy change at…

A: We have given the thermodynamic data for given reaction   C2H2 (g) + H2 (g)  -------> C2H4 (g)…

Q: ST3D.3- At constant temperature and pressure, what is the minimum mass [in g] of glucose needed for…

A: Answer: Value of gibbs free energy change is always equal to non-expansion work and over here…

Q: What is the standard change in Gibbs free energy of this reaction at 25 °C?

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Q: In preparation for a study of the metabolism of an organism, a small, sealed calorimeter was…

A: The expression for the first law of thermodynamics is shown below: Q - W = dU Where; W = work done Q…

Q: A chemist was investigating the polymerisation of methanol for the synthesis of propene (C3H6) by…

A: The given data: The enthalpy change of the reaction( ∆Hr)  = -101.18 kJ/mol The entropy change of…

Q: 7) The enthalpy of the following reaction at 1.00 atm and 298.15K is -56.9kJmol-1 H* (aq) + OH (aq)…

A: In order to find the enthalpy of the hydrolysis per mole of the ATP we first write down the given…

Q: A critical reaction in the production of energy to do work or drive chemical reactions in biological…

A: ∆G°rxn = - 30.5 kJ / mol [ATP] = 5.0 mM = 0.005 M [ADP] = 0.80 mM = 0.0008 M [HPO4 2-] = 5.0 mM =…

Q: 5.25mL of a 1.35M solution of sodium hydroxide is combined with 6.90mL of a 810.mM solution of…

A: The enthalpy of neutralization is 7.1790 kcal/mol.

Q: For a certain chemical reaction, the equilibrium constant K = 7.9 × 10 -4 at 20.0 °C. Calculate the…

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Q: If there are two chemical reactions: #1 with change in Gibbs free energy of -25 kJ/mol; and #2 with…

A: #2 since it has a higher change in Gibbs free energy.

Q: What is the change in enthalpy in joules when 5.44 x 10- mol of AgCI solid dissolves in water…

A: • The given balanced chemical equation is,     AgCl(s) → Ag+(aq) + Cl-(aq) ; ∆H = 65.5 kJ     The…

Q: Given that the standard enthalpy of formation of HCl(aq) is −167 kJ mol−1, what is the value of…

A: Standard enthalpy of formation of HCl(aq) is, ΔfHo[HCl(aq)] = −167 kJ mol−1 To calculate:…

Q: The salt potassium perchlorate is soluble in water. When 2.84 g of KClO4 is dissolved in 106.00 g of…

A: Mass of KClO4 = 2.84 g Mass of H2O = 106 g Total mass of mixture = (106 + 2.84) g Temperature…

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A: The temperature and pressure at standard conditions are 273.15 K and 1 atm . The relation between…

Q: A 5.00 g-sample of KOH at 25.0 C was added to 100.0 g of H2O(l) at room temperature inside an…

A: Dissolution of compounds depends on the intermolecular forces between solvent and solute molecules.

Q: What factors should be considered when selecting a temperature range over which to measure Keq?

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Q: Calculate AH (in kJ/mol NH,NO3) for the solution process NH,NO3 (s) → NH; (aq) + NO, (ag) Assume…

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Q: standard enthalpy

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Q: A critical reaction in the production of energy to do work or drive chemical reactions in biological…

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Q: The standard enthalpy change for the reaction of between sodium hydroxide and hydrochloric acid can…

A: Given : Concentration of NaOH = 1 mol/dm3 = 1 M                    (Since 1 dm3 = 1 L and the units…

Q: What is the entropy at SATP of a reaction where ∆Hºrxn=12.5 kJ and Keq=32.1?

A: For the given reaction the change in enthalpy and equilibrium constant in given as below:…

Q: A critical reaction in the production of energy to do work or drive chemical reactions in biological…

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Q: calculate the standard reaction entropy of the following chemical reaction:

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Q: Define formation constant (Kf)?

A: Formation constant Kf describes the formation of complex ion from its central ion and attached…

Q: e standard Gibbs Free Energy, AG n rxn, for th

A: The standard Gibbs free energy of formation of a compound is the change of Gibbs free energy that…

Q: What

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Q: a) Describe in your own words the relationship between standard change in Gibbs free energy…

A: a) The relationship between the ΔG0 and equilibrium constant is given by  => RTln(Keq ) = -ΔG0…

Q: At 25 °C, the equilibrium partial pressures for the reaction 2 A(g) + 2 B(g) = C(g) + 3 D(g) were…

A: The equilibrium constant can be calculated as follows:…

Q: Determine if the acid-base neutralization reaction of hydrochloric acid (HCI) with sodium hydroxide…

A: Given,  ΔHf0  NaCl  =  - 411.0  kJ/mol ΔHf0 H2O  = - 285.8 kJ/mol ΔHf0 HCl  =  - 92.3 kJ/mol ΔHf0…

Q: When a 8.00 g8.00 g sample of RbBrRbBr is dissolved in water in a calorimeter that has a total heat…

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Q: The Gibbs Free Energy Equation: AG change in free energy ΔΗ change in enthalpy TAS (temperature)…

A: Gibbs's free energy measures the spontaneity of the process. The Gibbs free change for a given…

Q: What is the change in enthalpy in joules when 5.44 x 10- mol of AgCI dissolves in water according to…

A: Given Reaction: AgCl--------> Ag+ +Cl- Moles of AgCl = 5.44 x 10-4 mol Δ H=65.5 kJ

Q: What is the change in enthalpy in joules when 5.44 x 10 mol of AgC dissolves in water according to…

A: The given chemical reaction is as follows,AgCl(aq) →Ag+(aq)+Cl-(aq)    ; ∆H =65.5 kJnumber of moles…

Q: 2. 22.5 g of Zn (Cp = 0.387 J/g°C) is heated to the boiling point of water, then added to 25 mL of…

A: Mass of zinc (m) = 22.5 g Specific heat capacity of zinc (s) = 0.387 J/goC Initial temperature of…

Q: Given that the standard enthalpy of formation of HI(aq) is −55 kJ mol−1, what is the value of…

A: Given that: Standard enthalpy of formation of HI = -55 KJ mol-1 ∆fH° I-,aq= ? The reaction will be,…

Q: Use ∆Hf0 of CO2 and H2O and combustion enthalpy of sucrose (6.155 x 103 kJmol-1 ) to calculate ∆Hf0…

A: Using  ∆Hf0 of CO2 and H2O and combustion enthalpy of sucrose (6.155 x 103 kJmol-1 )  values we have…

Q: Consider the following reaction at 25°C: 3 Ni(s) + N:(g) + 3 H2O(g) → 3 NiO(s) + 2NH:(g) where K =…

A: Given: The temperature is 25° C. The value of K is 6.74×10-4. The value of ∆G is 11.5 kJ/mol. The…

Q: Calculate the standard enthalpy of formation of phenol, C 6H5OH, at 298.15 K given that, at this…

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Q: When a 6.00 g6.00 g sample of KClKCl is dissolved in water in a calorimeter that has a total heat…

A: Given, mass of KCl = 6.0 g Total heat capacity = 4.47 kJ/K ∆T =0.310 K Molar heat of solution is…

Q: standard change in the gibbs free energy of the molar reaction is -2315kj what is the difference…

A: We know that change in gibbs energy is equal to negative of standard electrode potential  Sign of…

Q: What is the immediate Gibbs free energy change for the reaction? In what direction the reaction will…

A: Chemical equilibrium is the condition at which the rate of formation of products and reactants…