Q: AGCI(s) Ag (aq) +72.68 C1 (aq) +56.4 +96.2 S° (JK-1 mol-1) AH f(kJ/mol) Use the data given to…
A:
Q: 3. (1) Please calculate A.Hºm, A,Sº. and A.GOm of the following reaction under 298K. 2 CH;OH(1) -…
A: Given, 2CH3OH (g) ➝ 2CH4 (g) + O2 (g) ∆fH° S°…
Q: b. What is the ionic strength of the buffer solution? Remember to consi from both the N22CO3 and the…
A:
Q: From the value Kf = 1.2 × 10º for Ni(NH3)62+ , calculate the concentration of NH3 required to just…
A:
Q: Calculate the AS° and AG° for the following reactions using values in the appendices. (a) 2 H2O2(1)→…
A: a) for the above reaction 2H2O2 (l) -------> 2H2O (l) + O2 (g) ΔG0 = 2 X ΔG0H2O(l) + ΔG0O2 - 2…
Q: Calculate the pK at 25 degrees C of the following reaction using the data in the table. Use R =…
A: The given reaction is:4 A + 2 B → C + 3 D + 4…
Q: Given the borax reaction: Na22B44O5(OH)4 × 8H2O(s) 2Na+(aq) + B4O5(OH)42-(aq) + 8H2O(l) What…
A:
Q: 16. The expression of Ksp for Ni(OH)2 is: |N²+] • [OH¯]² [Ni*]* · [OH¯] DNi*] · [OH¯ None of the…
A: The solubility product constant Ksp is the equilibrium constant for a solid substance dissolving in…
Q: Can i get help with the two questions below
A: AThe equilibrium binding constant can be determined as:
Q: The Ksp for Fe(OH)2 at 25°C is 1.6 x 10-14. The solubility of Fe(OH)2(s) in an aqueous solution at…
A:
Q: 25 The following reaction a equilibrium is used to ansucer questions 25-28 (3)+2Y(g ty) Alte46,8…
A: According to Le Chatelier's principle, at equilibrium upon increasing concentration of product…
Q: Calculate the % of Cd(OH)4² among all the cadmium complexes below in a pH 13 solution saturated with…
A:
Q: A student is carrying out a biological preparation that requires 1 M NaCl to maintain an ionic…
A: The ionic strength of a given solution is calculated as the measure of the ionic concentrations of…
Q: What is the solubility of Cr(OH)3 in g/l at pH 9.55? Ksp for Cr(OH)3 = 6.30 x 10-31?
A: From given Initially we are calculating molar solubility from Ksp formula and then we convert to…
Q: 1. Lead (II) Cromate PbCrO4 is a slightly soluble salt with a Ksp = 2.8 x 1013. %3D a. Write the…
A:
Q: Show how the composition of an aqueous solution that contains 20 mmol dm-3 glycine varies with pH .…
A: Given data: [H3N-CH2-COOH] = 20 mmol dm-3 pKa1 = 9.60 pKa2 = 2.35 Calculation of Ka1 and Ka2: pKa1 =…
Q: 6. Carbonic acid (H2CO3) has two ionizable protons, with pKa around 6.1 and 10.2. (a) Which species…
A:
Q: Etimate the pl of the reulting sohutioe prepared by miningLle of slid didi plpute aPOl2le of…
A: Given: MOles of Na2HPO4 = 1.0 mol. Moles of HCl = 1.25 mol. And pKa of phosphoric acids are 2.1, 7.2…
Q: 25). The solubility of BiI3 (dissociates to Bi3+ ions and I– ions) is 0.00778 g/L. What is Ksp for…
A: Given : Solubility of BiI3 = 0.00778 g/L.
Q: Q1\ Asaturated solution of potassium chloride in 20c Calculate %w\w and (M) concentration if it…
A:
Q: Calculate the Ksp of the following compounds, given their molar solubilities. (a) CdS, 2.68 × 10-14…
A: Calculate Ksp of the given compound by using their Molar solubility---
Q: 2) A triprotic weak acid H3A has pKa1 = 2.50, pKa2 = 6.70 and pKa3 = 10.30. Calculate the pH of a…
A:
Q: A newly discovered extremely basic polar amino acid has pka values of 2.37, 13.01, and 11.89 for…
A: Here we are required to find the overall charge over amino acid at the given pH=13.01
Q: Calculate the % of Cd(OH)4² among all the cadmium complexes below in a pH 13 solution saturated with…
A: Calculate the % of [Cd(OH)4]²- among all the cadmium complexes below in a pH 13 solution saturated…
Q: Calculate Q
A:
Q: 3-(N-Morpholino)-2-hydroxy-propanesulfonic acid (MOPSO) is a common buffer used in biology and…
A: b. Molar concentration of the added acid =0.015 mol500×10-3 L=0.03 mol/L
Q: "ooc-CH, H,C-coo EDTA is a hexaprotic system with the pK, values: pKa1 = 0.00, pK2 = 1.50, pK3 =…
A:
Q: Calculate the Ksp of the following compounds, given their molar solubilities. (a) CuS, 7.33 × 10-19…
A:
Q: EDTA is a hexaprotic system with the pK, values: Fooc-CH2 H,C-coo pKal = 0.00, pK2 = 1.50, pKas =…
A:
Q: 21. A 1.145-g sample of canned tuna was analyzed by the Kjeldahl method; 25.65 mL of 0.1074 M HCI…
A:
Q: Complete the Ksp expression for Ag,CO3. Ksp 8.46 x 10-12 –
A: Ans
Q: 1. (a) Write the chemical equation indicating the stepwise displacement of coordinated H20 by NH3…
A: The given reaction is a prime example of substitution reaction in octahedral complexes. Here,…
Q: Acetic acid (CH3COOH, abbrev HA) is a very common weak acid with pKa = 4.75 (at 25oC and low ionic…
A: We are authorised to solve only first three subparts of a question. Please post rest of the subparts…
Q: 10 mL of an aqueous solution containing 1 mM Fe(NO3)2 was mixed with 20 ml. of another another…
A: Calculation of no. of moles of ''phen'' M = nVml×10000.3 = n20 ×1000n = 6 ×10-3 Calculation of no.…
Q: Consider the reaction: CD → c2* + B2-; Ksp = 2.4 x 10-8 What is AG' at 25 *C? O 8.2 kJ/mol O 6.21 x…
A: ∆G and Ksp are related as ∆G=-RTlnKspR = 8.314 J/K.molT = absolute temperature
Q: *D. Ksp = [Ag*]² · [SO4 1 %3D Ksp- pwidut/deacte.cauh una bulilor liguel. 2. If the gram solubility…
A:
Q: A student determines that the value of Ka for H2SO3 = 2.3×10-2 . What is the value of pKa?
A: pKa is the measure of determining the strength of the acid. Lower the value of pKa, stronger will be…
Q: Calculate the Ksp of the following compounds, given their molar solubilities. (a) Cds, 2.68 × 10-14…
A: Calculation of solubility product (Ksp) of a compound from their molar solubilities
Q: The following is a solubility product expression for Caz(PO4)2: Ksp= [Ca32*I[(PO,3-)2]…
A:
Q: Predict the pKa of the following compounds and calculate the fraction present in ionized form at pH…
A: Given compounds: 3,4 DMA & 2,4,5-T (herbicide) To predict The pka of the given compounds and…
Q: ne activity of Zn2* in a saturated solution with Zn(OH)2 with 0.0100 M KNO3 (Ksp 1.20 X10-17 %D y…
A: In this question, we want to determine the value of Activity for Zn2+ ion You can see details…
Q: Calculate the solubility of Fe2S3 in water. For H2S, K1=10-7 and K2=10-13,(pKps Fe2S3 =88). then…
A: The ability of a solid, liquid, or gaseous chemical substance to dissolve in the solvent and form a…
Q: For a solution in which m is 5.0 x 10-2, calculate Ksp for a. AgSCN b. La(IO3)3 c. PbI2 d. MgNH4PO4
A: Since your question has multiple sub-parts, we will solve only first three subparts for you. If you…
Q: Inorganic Chemistry: Qualitative Analysis of Anions What is the importance or purpose of adding…
A:
Q: From data given below, calculate AH°, AS“, and AG° for the following reaction at 25°C. + NH3 (9) +…
A: We can determine the standard enthalpy change, entropy change and gibbs free energy change from the…
Q: Is it possible to precipitate 99.0% of 0.010M Ce3+ by adding oxalate (C2042-) without precipitating…
A:
Q: 2. (a) How would you compare the Lewis acidity of Fe2+ and Cu?+? (b) The measured pka values for…
A: Lewis acids are the species which accepts pair of electron and Lewis bases donate a pair of…
Q: Calculate the concentration of the following weak acids. 2) a) ethanoic acid with pH 4.53 (Ka = 1.74…
A:
Q: Calculate the Ksp of the following compounds, given their molar solubilit (a) CuS, 7.33 × 10-19 M…
A:
Q: An enzyme reaction to be studied at pH 4.0 can best be carried out using a buffer solution made from…
A: Given: A enzyme reaction is to be carried out at pH = 4.0 then suitable buffer solution can be made…
Calculate the following:
Step by step
Solved in 3 steps with 3 images
- What is ΔSsurr for a reaction at 19 °C with ΔHsys = -7.3 kJ mol-1 ? Express your answer in J mol-1 K-1 to at least two significant figures.From the attached solution where did you get this? = S CO2 (g) + S H2O (l) - [ S C6H12O6 (s) + S O2(g)] = (213.7 J/mol-K + 69.9 J/mol-K) - (212.0 J/mol-K + 205.1 J/mol-K)CaCO3(s)<->Ca^2+(aq)+CO3^2-(g). write down Ksp for this reaction
- The Ksp of Al(OH)3 (MM: 78) is 1.90 xx 10^(-33). a) What is the solubility of Al(OH)3 in g/L?What is Kb for the equilibrium rreacton: CN- + H2O <=> HCN + OH- ? Ka value of 6.23 x10-10H2(g) + I2(g) --> 2HI (g) H2: deltaH = 0 kJ/mol; S = 131 J/molK I2: deltaH = 0 kJ/mol; S = 118 J/molK HI: deltaH = 23 kJ/mol; S = 200 J/molK What is the deltaG in kJ for this reaction at 298K?
- Calculate the pK at 25 degrees C of the following reaction using the data in the table. Use R = 8.314 J/mol/K. 4A +2B → 1C + 3D + 4E ΔHf0(kJ/mol) S0(J/mol/K) A 18.05 19.84 B 3.31 12.02 C -13.73 18.57 D -9.71 10.09 E -8.96 19.45 Remember, pK = -log(K) Report the answer to two decimal points.Calculate ΔrG° for the following reaction at 387 K. HCN(g) + 2H2(g) → CH3NH2(g) ΔrH°= -158.0kJmol-1; ΔrS°= -219.9JK-1 mol-11. Given the SEPs: Br2(l) + 2e- ↔ 2Br- E0 = 1.078 V Br2(aq) + 2e- ↔ 2Br- E0 = 1.098 V a. Calculate the Keq for the reaction: Br2(l) ↔ Br2(aq)
- The deltaHs of cobalt (II) nitrate is +47.7 kJ/mol. What is the deltaHf of solid cobalt (II) nitrate? deltaHf(NO3-(aq)) = -205.00 kJ/mol deltaHf(Co2+(aq)) = -58.2 kJ/molThe table below presents thermodynamic data for the dissociation reaction of acetic acid, CH3COOH And of acetic trichloroacetic acid CCl3COOOH. CH3COOH(l) + H2O(l) ⇄ CH3COO(aq)− + H3O(aq)+ CCl3COOH(l) + H2O(l) ⇄ CCl3COO(aq)− + H3O(aq)+ Kc (25°C) ΔS° (J/mol·K) ΔH° (kJ/mol) ΔG° (kJ/mol) 1.77×10 -5 -2.51 27.12 CH3COOH -13.66 3.93 CCl3COOOH Explain the negative sign of ΔS to the dissociation reaction of triacidAcetic chlorine, CCl3COOOH.Which of the following is a spontaneous reaction.? a. Rxn with ΔH =- 10Kj/mol ΔS= -5J/mol T= 300K b. NaCl +H20 -> NaOH + HCl 25C c. H20(l) -> H2O(s) Temp: 25C d. Dissolution of 100g of solid sugar in 100 mL ice tea. Consider following reaction: HgO (s) -> Hg(l) + ½ O2 (g) Delta H = +90.7 kj/mol. What quantity of heat in kj/mol is required to produce one mole HgO? Write your answer without units. Given the following data 2ClF(g) + O2(g) --> Cl2O(g) + F2O (g) Delta H= 167.4 kJ I 2ClF3(g) + 2O2(g) --> Cl2O(g) + 3F2 O (g) Delta H= 341.4 kJ II 2 F2(g) + O2(g) ---> 2F2O (g) Delta H= -43.4 kJ III Calculate the delta H in kJ for below reaction: ClF(g) + F2(g) ---> ClF3(g)