Calculate the p-functions for each ion in a solution that is 0.0200 M in BaBr2 Express your answer with 4 significant figures.

Q: Calculate the value of × by applying approximation method and check if the approximation is valid…

A: Using ICE table and equilibrium constant expression to find degree of dissociation and to decide…

Q: Consider the following data. For the acid:  HA- Ka = 7.46⋅10−87.46⋅10-8 Calculate the Kb for A2-.…

A: Kb is the base dissociation constant. The base dissociation constant is a measure of how completely…

Q: Which of the following is least soluble? Group of answer choices PtS (Ksp = 8 x10-73) NiS (Ksp = 3…

A: Solubility product constant (Ksp) represents an equillibrium constant when a solid dissolve in…

Q: ow long will it take for [A] to reach 75.0% of its initial value of 0.875 M?

A: The details solution for this is provided below in attach image.

Q: The Ka for HC2H3O2 is 1.8 x 10-5. What is the value of Kb for C2H3O2?

A: Given, Ka for HC2H3O2 is 1.8 x 10-5

Q: ease show full solutions on 21.23. For 21.31 answer only lett

A: As you have posted multiple questions in a single request, we will solve the first question for you.…

Q: The activity of a single cell in V1 with a small receptive field can be influenced by cells outside…

A: The size of the receptive field governs the spatial frequency of the information: small receptive…

Q: 4. The best answer to report for 352.94 - 36.0342 is.     (can you explain where the decimal for…

A: We have to substract the given digits- ( 362.94 -36.0342 ) and signifaicant figures of the answer is…

Q: Construct the expression for Ksp for solid Ba3(PO)2 in aqueous solution.

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Q: What is the value of pk, for the fluoride anion, F at 25°C? Ka(HF) = 7.1 x 10-4? Express your answer…

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Q: Calculation Tables Table 4- Logarithms [l]o (M) -log[I]o -log(rate) [H2O2]o (M) 0.0100 -log[H2O2]o…

A: Rate law is given by,         Rate=k[H2O2]m[I-]nNow,…

Q: What is the group that shows theeffect of the variable being tested

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Q: Calculate Kb for a 0.1 M solution of acetate ion, given that Ka for acetic acid is 1.8 x 10−5.

A: Given : Ka = 1.8 x 10-5

Q: SCI2 8. What do you notice about the compounds under Cl2 -1 the melting point column that have…

A: MELTING POINT :  This is the temperature at which a solid become a liquid. When we increase the…

Q: Ka for hydrofluoric acid is 6.8 x 104. What is the first digit of the pK value for hydrofluoric…

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Q: Convert the following p-functions to molar concentrations: pMn = 0.135

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Q: A 0.1 M solution of acid was used to titrate 10 ml of 0.1 M solution of alkali and the following…

A: Given data :- 0.1 M solution of acid was used to titrate 10 ml of 0.1 M solution of alkali Volumes…

Q: What is the name of the standard that defines zero on the chemical shift axis? (The standard must be…

A: The standard must be a molecule with protons in only one type of environment so that the protons of…

Q: What is the reason for the stoke shift for a fluorophore ?

A: The stoke shift is observed because when fluorophore absorb energy and goes to excited electronic…

Q: What do you understand by Isocratic and Gradient elution?

A: Isocratic Elution : In the light of chromatography isocratic   elution means that the composition of…

Q: Using tables 23.3-23.7, predict the shift for the carbon indicated by the arrow. Report your answer…

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Q: [Cu] [Cu] Construct the expression for Kc for the following reaction. 2 Cut (aq) + Zn(s) = 2 Cu(s) +…

A: In the rate constant formula , Concentration of solid and liquids are not considered .

Q: 13. Compute for the Relative Neutralizing power of Calcium hydroxide (CaOH2). * 1.724 % 172.4 %…

A: Formula to determine relative neutralizing power is RNP1× M1 = RNP2× M2 Where RNP = relative…

Q: Calculate the p-functions for each ion in a solution that is i. 0.020M in KCI ii. 2.7 x 103М in…

A: The p function is calculated by taking the negative logarithm of the concentration of ion present in…

Q: What is a Zimm plot?

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Q: why the answer here is E, not D? + what is the difference between equivalent point and ending point?

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Q: calculate the H+ in M for 0.620 M C2H5NH3Cl solution. Kb for solution is 5.60•10^-4

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Q: IE Doublet Doublet Triplet Integration = 1 Integration = 6 Integration = 1 Нeptet Integration = 1…

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Q: What is the valency factor (n-factor) of sodium oxalate?

A: The question is based on the concept of valency factor. we have to determine valency factor of…

Q: Why does a calibration curve require a certain range of %T?

A: Calibration curve is used to determine the concentration of unknown sample. A spectrophotometer is…

Q: What is the reason for the stoke shift for a fluorophore ? Please shortly answer at your own words.…

A: Stokes is the energy difference between absorption and emission in cm-1.

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: Consider the theoretical bases below and use the Kb values provided (at 25 oC) to determine the Ka…

A: The product of H3O+ and OH- concentration in any solution is always equal to 1*10-14. Acids give…

Q: 3. The following molar concentrations were obtained from replicate standardization of a solution:…

A: To calculate the confidence interval at 95 and 99% level.

Q: Calculate delta G(degree). Give your answer in kJ. 3Ag+   (aq)    +  Cr (s) → 3 Ag (s)  +  Cr3+…

A: The change in standard Gibbs free energy (ΔG°) for the reaction = - nFE°  Where,  n = number of…

Q: calculate the value of the equilibriomconstant, Rc₂ Q (g) + x (g) = 2 M(g) + N(0) given that M Meg)…

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Q: Construct the expression for Ka for the weak acid, NH,. NH, (aq) + H,O(1) =H,O'(aq) + NH,(aq) 1…

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Q: Construct the expression for Ksp for solid Bas(PO4)2 in aqueous solution. Ba:(PO:):(s) = 3 Ba2"(aq)…

A: • The dissociation of the sparingly soluble salt Ba3(PO4)2 is,    Ba3(PO4)2(s) ⇌ 3 Ba2+(aq) + 2…

Q: Why internal standard solutions are better  and why we get a more uncertain result with other…

A: Internal standard: It is the chemical substance that is used in the analysis of compounds and this…

Q: Using the appropriate Woodward-Fieser rules calculate the expected lambda-max for each of the…

A: To determine Lambda max of the compound, we have to remember some value.  for carbonyl For cyclic…

Q: Briefly distinguish between the circumstances for the use of nRln(V2/V1) and CvIn(T2/T1) in…

A: We know, Entropy change of n moles of a gas can be calculated as,

Q: ng point determination can be used for several purposes. What are those purposes? effect on the…

A: Condensation is the change of vapour into liquid and evaporation is the change of liquid into…

Q: Determine the slope of the linear regression line for a standard curve of concentration versus…

A: The slope of the linear regression line for a standard curve of concentration versus absorbance is…

Q: Multiply both sides of the equation by the same expression: (Be sure that the answer field changes…

A: From the given expression , it can be noted that it need to calculate value of ∆Hvap . For this ,we…

Q: I want a abstract of the hardness experiment and an explanation of the theory and objectives Thank…

A: Hardness in water is due to the presence of dissolved salts of calcium and magnesium. It is unfit…

Q: 267 °F is equivalent to Group of answer choices 389 K 116°C 540 K 404 K

A: 2670F is equivalent to what has to be given.

Q: I am having trouble finding the delta S rxn of ammonium chloride. I am using stand thermodynamic…

A: To give: The standard entropy values of NH4Cl (s), H2O and NH4OH to calculate the ΔSrxn.

Q: Show the derivatation of the weak acid approximation for calculating [H3O+]. Explain the basis of…

A: General weak acid ionization reaction in water is given by,

Q: Calculate the Ksp of the following aqueous solutions: a) 3.60x10-5M Ag2CO3 b) 4.30x10-3M of Ag+ in…

A: