Identify the correct Ksp expression for the reaction: Cu(103),(s)= Cu²*(aq) + 1031-(aq) Ksp = (Cu(103),] O Ksp = [Cu?*][10;1-j? O Ksp = [Cu2+][21031-) [Cu(103),] Ksp =
Q: 2. In a laboratory experiment you react 20.0 mL of 25% by mass C2H&N2 with 8.000 NiCl2.6H2O to…
A: The balanced chemical equation can be written as follows: NiH2O6Cl2 + 3C2H8N2 → NiC2H8N23Cl2 +…
Q: For the analysis of iron-phenanthroline complex, the calibration curve has a.) molar concentration…
A: Given: analysis of iron-phenanthroline complex.
Q: A carbonate fusion ws needed to free the Bi from a 0.6423g sample containing the mineral eulytite…
A: According to the mole concept, in terms of mass, the amount of substance in moles is equal to the…
Q: A sample of steel weighing 2.00 g is analyzed for Cr (AW 52.0). The Cr is oxidized into chromate…
A:
Q: The activity of Zn2+ in a saturated solution with Zn(OH)2 with 0.0100 M KNO3 (Ksp = 1.20 X1o-17, y…
A: In the given question we have to calculate the activity of Zn2+ ion.
Q: If 20.60 mL of 0.0450 M KMnO4is required to titrate a 0.500 g sample of K3[Fe(C2O4)3]⋅3H2O,⋅what…
A: The iron salt K3[Fe(C2O4)3]⋅3H2Ois titrated with permanganate (MnO4) to determine the amount of…
Q: COMPLEX PREPARED (preparation #3 ) cuciz H20 Starting metal salt (MX H,0) copper (IT)chloride…
A: Given:
Q: (92 Brz 19) valnes for the equilibrinm constants for the tollowing equations are given. 2BICI (9) E…
A: We have to predict the Kp for Given reaction
Q: Calculate Ken for silver cyanide given the following data. `sp A9CN(s) + e¯ Ag(s) + CN¯(aq) = -0.02…
A: We have to determine the ksp of silver cyanide. For this we will use Nernst Equation. Since there is…
Q: 4. Consider the Latimer diagram shown below for Cr (acidic solution): E° = ? +0.55 +1.34 +2.10…
A: The explanation is given below-
Q: The amount of Fe (AW 55.85) in a 0.4891-g sample of an ore was determined by a redox titration with…
A: During the titration, the titrant is reduced from Cr2O7-2 (each chromium oxidation state=+6) to Cr+3…
Q: Consider Fe2+ and Fe3+. Aqueous iron in equilibrium with each mineral at pH 5 for FeO (wustite…
A: Two reactions to be considered are: FeO (s) + 2 H+ (aq) ↔ Fe2+ (aq) + H2O (l)…
Q: The absorption of a 0.01 M complex solution in a 2.5 cm cell is measured as 0.5. Since the…
A: The Beer-Lambert law or Beer's Law states that for the given material, the concentration and the…
Q: Copper[II] sulfide (CuS) dissolves in water to give a solution that is 9.2 x 10-23 M at 25oC.…
A: Given- Solubility=9.2×10-23M =s Ksp of CuS=?
Q: Consider the data for the determination of phosphorus in urine as the phosphomolybdate complex,…
A:
Q: Gold can be determined in solutions containing high concentrations of diverse ions by ICP-AES.…
A:
Q: What is the In K (the In of the Keq) for the reduction of Al(OH)4¹ complex to Al(0)? • Write answer…
A:
Q: 3. 24Na is produced through the reaction 26Mg(d,a)4Na. A 0.2 mm thick magnesium foil is irradiated…
A:
Q: 222 86Rn to The conversion of 218 84P0 occurs via
A:
Q: Fe+(aq) + SCN(aq) = Fe(SCN)2*(aq) How was the equilibrium concentration of Fe(SCN)2+(aq) measured…
A: A reversible chemical reaction can move in either forward or backward direction. The stage of a…
Q: In the analysis for total hardness, formation of Ca-EDTA complex in the presence of an…
A: The three equilibrium constants are given KCa-EDTA , KMg-EDTA , KMg-Ind for the complex formations…
Q: What is the relationship between AG° and E? a. AG° FE b. AG° = -nFE° %3D с. %3D d. AG %3D e. AG =…
A: Relationship between ∆G° and E° , ∆G° = -nFE°
Q: ata Sheet: Investigation of Nickel and Copper Coordination Complexes art B: The Coordination Number…
A: Given:
Q: The detection limits reported for Aluminum with ICP-AES and GFAAS are 2 ppb and 5 pg, respectively.…
A: Because of its longer seeing path, axial view has larger detection limits. It's also less linear and…
Q: A 0.4320 -g sample of pure iron (55.847 g/mol) wire was dissolved in acid, reduced to the +2 state,…
A:
Q: To measure the iron content of runoff from a ranch a 25.0 mL sample of run off was acidified with…
A: The Beer-Lambert’s law, the absorbance (A) is directly proportional to the concentration (c) of the…
Q: Balance these equations by providing the missingcoefficients:(a) __ Fe1s2 + __O21g2¡__Fe2O31s2(b) __…
A: a) ___ Fe(s) + ___ O2(g) →___Fe2O3(s) Step 1 - Count the number of atoms of O on both side, there…
Q: A lab student analyzed his/her cool nickel-en complex for ethylenediamine, en, content.ted g sample…
A:
Q: QI / There are three alloys ( A,B ,C) have atomic wieght, desity, and atomic radus as listed in…
A:
Q: For a 0.20 M solution of Mn(OH)2, Qsp = Ksp at pH = 7.7. What is the predominate form of manganese…
A: Introduction : We have to tell in which direction reaction will shift.
Q: If a second brass washer of 0.6003 grams had been dissolved in nitric acid, diluted to 50.00 mL and…
A: Solution
Q: In electrochemistry, specific conductance is defined as (1000/N)* k, where N is the normality of the…
A:
Q: 4. A small pilot plant is being tested to treat a newly found ore feed with 5.15 wt% grade Cu. The…
A: The total number of working of plant in 1 year = 360 days (5 days shut down in each year) So, ore…
Q: Think that an alloy Cu-60wt%Ag is slowly cooled from the Liquid Phase Field. How many grams of…
A:
Q: How will you separate Kα and Kβ X-ray lines of Cu?
A: When an electron releases energy as a photon of light, it came back to its original position. The…
Q: Calculate the rate constant k12 for the below outer-sphere electron transfer reaction: (Fe(CN)«]- +…
A:
Q: The activity of Zn2+ in a saturated solution with Zn(OH), with 0.0100 M KNO3 (Ksp = 1.20 X10-17, y…
A: Given: Ksp of Zn(OH)2 = 1.20 X 10-17 γ of Zn2+ = 0.676 And γ of OH- = 0.900
Q: A student synthesized 3.214g of Ni(NH3),Cl2 from 4.023g of NiCl2•6H2O. He dissolved 0.81g of…
A:
Q: Ksp for Ag2C204. The concentration of Ag" in a solution saturated with Ag2C204(s) is 1.6 × 10-4 M.…
A:
Q: 5. The detection limits reported for Aluminum with ICP-AES and GFAAS are 2 ppb and 5 pg,…
A: Because of its longer seeing path, axial view has larger detection limits. It's also less linear and…
Q: Glass is a notorious source of metal ion contamination. Three glass bottles were crushed and sieved…
A: Given data, 5.2 μm is the extracted concentration of Al. 0.200 L is the volume of the solution.…
Q: A small pilot plant is being tested to treat a newly found ore feed with 5.15 wt% grade Cu. The year…
A: Given that: weight % of Cu = 5.15 % number of ores treating = 20,000 tonnes per year % recovery =…
Q: Multiprotein complexes are formed by weak noncovalent interactions between the proteins. Suppose…
A: A protein homodimer is formed by two identical proteins. A protein heterodimer is formed by two…
Q: 6. Langmuir constants for Pb?* adsorption on the soil were: b = 600 L/mol and Csm = 1.5x102 mol/g.…
A: Solution -
Q: The amount of Fe (AW 55.85) in a 0.4891-g sample of an ore was determined by a redox titration with…
A:
Q: 3. A 100.0 mL sample of ground water was treated to convert the iron present to Fe2+. Addition of…
A:
Q: The values of ɛ at 330nm for ArOH and Aro- forms of 2-naphthol are 1587.5M-1cm-1 and 205C M-1 cm-1.…
A:
Q: A protein binds a ligand with a ka value of 7.4 x 104 M-1s-1 and a kd value of 6.4 x 10-4 s-1. What…
A: For any protein ligand complex, A+B⇌kdkaABKD=kakd where, KD=[AB][A][B], which is the dissociation…
Step by step
Solved in 2 steps
- The complex formation reaction is given by: Ca^2+ + EDTA = CaY^2- 1.Calculate the concentration of free Ca^2+ in a solution of 0.10M CaY^2- at pH 10.00,given that the formation constant for CaY^2- is 10^10.65 and aY4- =0.30 at a pH of 10.00 2.How would the amount of Ca^2+ in the solution change if the pH of the solution was lowered to the pH of 6.(Note:it is not necessary to do the calculation)Think that an alloy Cu-60wt%Ag is slowly cooled from the Liquid Phase Field. How many grams of total alpha are present at 778°C? The total alloy amount is 1000gramsWrite the name, stereochemistry and magnetic behaviour of the following: (At. nos Mn = 25, Co = 27, Ni = 28) (i) K4[Mn(CN)6] (it) [CO(NH3)5Cl]Cl2 (iii) K2[Ni(CN)4]
- Using VBT, predict the geometry of the tetraaminocadmium(II) complex ion.A protein has a binding affinity for its lignd of Ka =2 x 10^5M at pH 7.0 and 25 degrees celcius. At what concentration of the ligand is half of the protein bound?A new ligand, [2,4-ditert-butyl-6-{[(2-pyridyl)ethyl](2-hydroxybenzyl)-aminomethyl}-phenol, was found to form complexes with Co+2, Ni+2, and Cu+2 ions. The following data were produced experimentally. Determine if the ligand is a weak field or strong field. Explain. Ion λmax (nm) μeff (BM) Co+2 750 4.4 Ni+2 680 2.9 Cu+2 770 1.3
- This is the lab with my data sheet and please answer all of them. Thank you and please answer all of them. If you do it would be appreciated My data to support answers for questions. The equilibrium is Fe3+ + SCN- <--> [FeSCN]2+. The Fe3+ is a pale yellow colour and the complex ion product is red.Stresses:Add KSCN - turned deep redAdd Fe(NO3)3 - turned deep redAdd Na2CO3 - turned yellow/colourlessAdd NaOH - turned yellow/colourlessAdd NH3 - turned yellow/colourlessHeat - turned lighter orange colourCold - turned darker orange colour Addition of NH3(aq) to test tube #6: As a result of the colour change, what can be concluded about the [FeSCN2+(aq)]? Explain. Explain why the addition of NH3(aq) affects the [FeSCN2+(aq)] as indicated in (a). Use chemical reaction in your explanation. Addition of heat/cold to test tube #7 & 8: As a result of the colour change, what can be concluded about the [FeSCN2+(aq)] when the temperature is increased? Explain. As a result of the colour…This is the lab with my data sheet and please answer all of them. Thank you and please answer all of them. If you do it would be appreciated My data to support answers for questions. The equilibrium is Fe3+ + SCN- <--> [FeSCN]2+. The Fe3+ is a pale yellow colour and the complex ion product is red.Stresses:Add KSCN - turned deep redAdd Fe(NO3)3 - turned deep redAdd Na2CO3 - turned yellow/colourlessAdd NaOH - turned yellow/colourlessAdd NH3 - turned yellow/colourlessHeat - turned lighter orange colourCold - turned darker orange colour Addition of heat/cold to test tube #7 & 8: As a result of the colour change, what can be concluded about the [FeSCN2+(aq)] when the temperature is increased? Explain. As a result of the colour change, what can be concluded about the [FeSCN2+(aq)] when the temperature is decreased? Explain. What can you conclude about the reaction (i.e. is it endothermic or exothermic) based on the above results?This is the lab with my data sheet and please answer all of them. Thank you and please answer all of them. If you do it would be appreciated My data to support answers for questions. The equilibrium is Fe3+ + SCN- <--> [FeSCN]2+. The Fe3+ is a pale yellow colour and the complex ion product is red.Stresses:Add KSCN - turned deep redAdd Fe(NO3)3 - turned deep redAdd Na2CO3 - turned yellow/colourlessAdd NaOH - turned yellow/colourlessAdd NH3 - turned yellow/colourlessHeat - turned lighter orange colourCold - turned darker orange colour Addition of Na2CO3(s) to test tube #4: d) Explain why the addition of Na2CO3(aq) affects the [FeSCN2+(aq)] as indicated in (a). Use a chemical reaction in your explanation. Addition of NaOH(aq) test tube #5: e) As a result of the colour change, what can be concluded about the [FeSCN2+(aq)]? Explain. f) Explain why the addition of NaOH(aq) affects the [FeSCN2+(aq)] as indicated in (a). Use a chemical reaction in your explanation.
- This is the lab with my data sheet and please answer all of them. Thank you and please answer all of them. If you do it would be appreciated My data to support answers for questions. The equilibrium is Fe3+ + SCN- <--> [FeSCN]2+. The Fe3+ is a pale yellow colour and the complex ion product is red.Stresses:Add KSCN - turned deep redAdd Fe(NO3)3 - turned deep redAdd Na2CO3 - turned yellow/colourlessAdd NaOH - turned yellow/colourlessAdd NH3 - turned yellow/colourlessHeat - turned lighter orange colourCold - turned darker orange colour Addition of Fe(NO3)3(aq) to test tube #3: a) what can you infer about the system from the colour change of the solution? b)How can this be possible if no additional SCN-(aq) has been introduced? Addition of Na2CO3(s) to test tube #4: c) As a result of the colour change, what can be concluded about the [FeSCN2+(aq)]? Explain. d) Explain why the addition of Na2CO3(aq) affects the [FeSCN2+(aq)] as indicated in (a). Use a chemical reaction in your…This is the lab with my data sheet and please answer all of them. Thank you My data to support answers for questions. The equilibrium is Fe3+ + SCN- <--> [FeSCN]2+. The Fe3+ is a pale yellow colour and the complex ion product is red.Stresses:Add KSCN - turned deep redAdd Fe(NO3)3 - turned deep redAdd Na2CO3 - turned yellow/colourlessAdd NaOH - turned yellow/colourlessAdd NH3 - turned yellow/colourlessHeat - turned lighter orange colourCold - turned darker orange colourThis is the lab with my data sheet and please answer all of them. Thank you My data to support answers for questions. The equilibrium is Fe3+ + SCN- <--> [FeSCN]2+. The Fe3+ is a pale yellow colour and the complex ion product is red.Stresses:Add KSCN - turned deep redAdd Fe(NO3)3 - turned deep redAdd Na2CO3 - turned yellow/colourlessAdd NaOH - turned yellow/colourlessAdd NH3 - turned yellow/colourlessHeat - turned lighter orange colourCold - turned darker orange colour What species is responsible for the observed colour change when KSCN(aq) and Fe(NO3)3(aq) are mixed? What can be concluded about the system based on your ~1 minute observation of the mixture. what does the addition of the solid do to the [SCN-(aq)]? What can you infer about the system from the colour change of the solution? How can this be possible if no additional Fe3+(aq) has been introduced?