Q: The excess Gibbs energy of a certain binary mixture is equal to gRTx(1 − x) where g is a constant…
A: n
Q: Estimate the mean ionic activity coefficient and activity of a solution containing CaCl2(aq) nd…
A: Mean activity coefficient is defined as the average activity coefficient when electrolyte dissociate…
Q: Question attached
A: The change in Gibbs free energy = -2808 kJ mol-1 Mass of the person = 65 kg
Q: What partial pressure of hydrogen results in a molar concentration of 1.0 mmol dm-3 in water at 25…
A: The ideal gas equation is,
Q: Calculate the equilibrium concentration of carbon dioxide in fat given that the Henry's law constant…
A: Henry's law can be expressed as, C x KH = Pgas Where, C is the concentration…
Q: The molar enthalpy of solid sodium hydroxide with a solution of hydrochloric acid. NaOH(s) + HCI(aq)…
A:
Q: Based on the student's observation, calculate the dissolution enthalpy of BaCl,(s) in kJ/mol.
A:
Q: One of the most extensively studied reactions of industrial chemistry is the synthesis of ammonia,…
A: Gibbs energy- Where, R=Gas constant T= temperature K=equilibrium constant
Q: Estimate the mean ionic activity coefficient of CaCl2 in a solution that is 0.010 mol kg−1 CaCl2(aq)…
A: The ionization of CaCl2 is as follows: CaCl2 (aq) →Ca+2 (aq) + 2Cl- (aq) The concentration of Ca+2…
Q: Describe the general features of the Debye-Huckel theory of electrolyte solutions. Which…
A: Debye-Huckel theory: It is used to calculate the mean activity coefficients. The Debye-Huckel theory…
Q: Calculate the difference in Gibbs energy of a prefect gas if the pressure is increased by 20% at…
A:
Q: The standard Gibbs energy of formation of NH3(g) is −16.5 kJ mol−1 at 298 K. What is the…
A:
Q: Estimate the change in the Gibbs energy of 2 g of Argon when the pressure is increased from 760…
A: Gibbs free energy depands number of moles, Temperature and change in pressure
Q: P6A.2 Calculate the equilibrium constant of the reaction CO(g) + H,(g)=H,CO(g) given that, for the…
A:
Q: When the reaction 2 A → B advances by 0.051 mol (i.e. Δξ = +0.051 mol) the molar Gibbs energy of the…
A: Gibbs free energy of a reaction is the maximum energy or work that can be obtained from any…
Q: Calculate the enthalpy of solution for the dissolution of lithium iodide, LiI, molar mass = 133.85 g…
A:
Q: Identify and justify the approximations made in the derivation of the van 't Hoff equation.
A:
Q: The AG° (standard Gibbs free energy of formation) of Cl at 300 K is 105.7 kJ/mol. What is the A,G…
A: Cl2(g) <.....> 2Cl(g) Given that PCl2 = 1.3 bar = 1.3bar×1atm/1.01325bar= 1.283 atm PCl =…
Q: What mass of a non-electrolyte solute is required, when mixed with 225 g H2O, to change the…
A: The vapor pressure of a pure solvent (p0) is lowered (to let's say 'p') on adding a non-volatile…
Q: Benzene and toluene are almost ideal solutions. The boiling point of pure benzene is 80. 10c…
A:
Q: Does the zeta potential of colloidal particles depends on pOH
A: Zeta potential is a potential difference between dispersion medium and layer of fluid (stationary…
Q: The standard Gibbs energy of formation of rhombic sulfur is zero and that of monoclinic sulfur is…
A: In this question, we will see which polymorph is most stable at 25°V temperature. You can see…
Q: The molal solubility m, of the sparingly soluble salt BaF2 in water at 25°C, following from the…
A: When a little soluble ionic compound is added to water, there will be an equilibrium between the…
Q: The equilibrium constant associated with the gas phase reaction between SO2 and oxygen forming SO3…
A:
Q: By how much does the chemical potential of benzene change when the pressure exerted on a sample is…
A:
Q: Construct a cycle similar to that in Fig. 3D.3 to analyse the reaction 1/2 H2(g) + 1/2 I2(s) →…
A: The thermodynamic cycle for the reaction 1/2 H2(g) + 1/2 I2(s) → H+(aq) + I−(aq) hs to be drawn…
Q: standard enthalpy
A:
Q: Calculate the change in the molar Gibbs energy of nitrogen gas when its pressure is increased…
A: We have given that Temperature (T) = 298 K Initial pressure (Pi) = 1 atm Final pressure (Pf) = 50…
Q: relative to the unmixed gases of a) a mixture of 10 mol of A and 10 mol of B; b) a mixture of 10 mol…
A: Given details: The temperature of pure gas A and B = 25°C Pressure…
Q: Estimate the vapour pressure of sea water at 20 °C given that the vapour pressure of pure water is…
A:
Q: C. Consider a chemical reaction. At a temperature T1 enthalpy of reaction is A,H(T,, P) = 400. J and…
A: By studying the temperature, enthalpy, and Gibbs free energy we can conclude that if the reaction is…
Q: By how much does the chemical potential of carbon dioxide at 310 K and 2.0 bar differ from its…
A:
Q: Explain the concept of partial molar volume, and justify the remark that for a binary solution, the…
A: We need to explain the concept of partial molar volume, and justify the remark that for a binary…
Q: The vapour pressures of benzene and methylbenzene at 20 °C are 75 Torr and 21 Torr, respectively.…
A: Given data: Vapour pressure of benzene (POA) = 75 torr Vapour pressure of methyl benzene (POB) = 21…
Q: Glucose from molasses is fermented to alcohol using S. cerevisiae where 500 ml of CO2 (at standard…
A:
Q: 3.12 The standard molar entropies of water ice, liquid, and vapor are 37.99, 69.91, and 188.83 J K-'…
A: When there is study of different phases of a component, it will come under the study of phase…
Q: Use the fundamental equation of therodynamics here to calculate the change Gibbs energy when 3.1…
A: The change in free energy (∆G) is expressed as ∆G = ∆H = T∆S where ∆H is the change in enthalpy, ∆S…
Q: A solution is prepared by dissolving iodine, I2, in tetrachloromethane,CCI4 at 25 °c. What are the…
A: According to the mole concept, in terms of mass, the amount of substance in moles is equal to the…
Q: At 298 K, the molar ratio of NH3 and H20 is 1: 8.5 in an ammonia-water solution,
A: Solution -
Q: Estimate the change in the Gibbs energy of 1.0 dm3 of liquid octane when the pressure acting on it…
A: Given:VolumeV=1.0dm3 Initial pressureP1=1.0atmFinal pressureP2=100atmMass density of octane=0.703g…
Q: The enthalpy change accompanying the dissolution of a solute B in 1000 g water is dependent on the…
A: Given - Delta H = 40n + 30n2 were, n= moles of B Delta H = enthalpy change for dissolution of B in…
Q: The standard reaction Gibbs energy of the isomerization of borneol (C10H17OH) to isoborneol in the…
A: Given: Standard Gibbs energy (ΔGo) = +94 KJ/mol Temperature (T) = 503 K Total pressure Ptotal = 600…
Q: Osmotic pressures are often reported in units of atmospheres or mm Hg. The latter implies that the…
A: One torr is approximately equal to the pressure required to raise the column of mercury by 1 mm.…
Q: a. Calculate the standard Gibbs free energy change for the process of dissolution of benzene in…
A: Gibbs free energy(∆G) The decrease in the value of Gibbs free energy during a process is equal…
Q: Estimate the enthalpy of reaction h̄R for the dissociation process CO2 ⇌ CO + 1⁄2 O2 at 2200 K,…
A: Given dissociation process is, CO2 ⇌ CO + 12O2 Now, we have to estimate the enthalpy of reaction…
Q: The difference in chemical potential of a particular substance between two regions of a system is…
A: Gibbs energy change : ∆G = -nFE =- qE ∆G = -0.10 x 10-3 x 7.1 x 103 = -0.71 J
Estimate the mean ionic activity coefficient of NaCl in a solution that is 0.020 mol kg−1 NaCl(aq) and 0.035 mol kg−1 Ca(NO3)2(aq) at 25 °C.
Trending now
This is a popular solution!
Step by step
Solved in 2 steps
- The standard enthalpy of combustion of liquid ethyl ethanoate (ethyl acetate, CH3COOC2H5) is −2231 kJ mol−1 at 298 K and its standard molar entropy is 259.4 J K−1 mol−1. Calculate the standard Gibbs energy of formation of the compound at 298 K.Certain bacteria in the soil obtain the necessary energy for growth by oxidizing nitrite to r nitrate: 2NO2- (aq) + O2(g) —> 2NO3-(aq) Given that the standard Gibbs energies of formation of NO2- and NO3- are -34.6 kJ mol-1 and -110.5 kJ mol-1, respectively, calculate the amount of Gibbs energy released when 1 mole of No2- is oxidized to 1 mole of NO3-.Calculate the standard enthalpy of solution of AgCl(s) in water from the enthalpies of formation of the solid and the aqueous ions.
- The osmotic pressure at the base of a houseplant kept at 27ºC is 1.6 × 104 N/m2. Calculate the molar concentration of the dissolved molecules in the plant’s veins if there are no dissolved molecules in the soil water.Given that the standard enthalpy of formation of HCl(aq) is −167 kJ mol−1, what is the value of ΔfH⦵(Cl−, aq)?how to calculate the equilibrium constant given Delta Grxn= +6.4kJ/mol at 298K
- When the reaction A → 2 B advances by 0.10 mol (i.e. Δξ = +0.10 mol) the molar Gibbs energy of the system changes by −6.4 kJ mol−1. What is the Gibbs energy of reaction at this stage of the reaction?Calculate the standard Gibbs energy of reaction for 4 HI(g) + O2(g) → 2 I2(s) + 2 H2O(l) at 298 K, using the values of standard entropies and enthalpies of formation given in the Resource section.By how much does the chemical potential of carbon dioxide at 310 K and 2.0 bar differ from its standard value at that temperature?
- The standard Gibbs energy of formation of NH3(g) is −16.5 kJ mol−1 at 298 K. What is the corresponding reaction Gibbs energy when the partial pressures of the N2, H2, and NH3 (treated as perfect gases) are 3.0 bar, 1.0 bar, and 4.0 bar, respectively? What is the spontaneous direction of the reaction in this case?For CaF2(s) ⇋ Ca2+(aq) + 2 F−(aq), K = 3.9 ×10−11 at 25 °C and the standard Gibbs energy of formation of CaF2(s) is −1167 kJ mol−1. Calculate the standard Gibbs energy of formation of CaF2(aq).The standard enthalpy of combustion of the solid glycine (the amino acid, NH2CH2COOH) is −969 kJ mol−1 at 298 K and its standard molar entropy is 103.5 J K−1 mol−1. Calculate the standard Gibbs energy of formation of glycine at 298 K. Note that the nitrogen-containing species produced on combustion is taken to be N2(g).