When do we need to perform a double-indicator titration procedure?

Q: The lon-product constant for water at a5C is 3.02x10 (a) What is the concentration of Hy0 ions at th...

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Q: The XeO3 molecule displays approximately which bond angles (in degrees)about the central Xe? VSEPR ...

A: The central atom in XeO3 is Xenon(Xe). Xe has the electronic configuration as [Kr]4d105s25p6 The val...

Q: 1) LIAIH4 2) H30+

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Q: White sand is made of silica (silicon dioxide, or SiO2), which has a density of 2.20 g/cm³. How many...

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Q: Calculate the value of S° for the reaction shown: 2 NH3(g)  N2(g) + 3 H2(g) At 25°C the values of e...

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Q: Question 3: Assume that we are working in body centered cubic structure, draw the planes (100), (010...

A: We have body centered cubic structure.

Q: The maximum recommended single does for acetaminophen is 15.0 mg per kilogram of body weight for adu...

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Q: complete overall reaction when taking KAuCl4 in methanol mixed with 2-phenyl-1,10-phenanthroline in ...

A: Concept: Substitution reactions of metal complexes include the replacement of one ligand by another ...

Q: A particular reaction has a ΔHo value of -141. kJ and ΔSo of -104. J/mol K at 298 K. Calculate ΔGo a...

A: We are given :648. K Change in enthalpy (ΔHo)  =   -141. kJ change in entropy (ΔSo)  = -104. J/ K = ...

Q: The absorptivity of all species in solution is the same at the isosbestic point. True False

A: True or False !

Q: Enter your answer in the provided box. Consider the reaction: 2NO(g) + 0,(g) –→ 2NO,(g) Suppose that...

A: Let understand the reaction rate by taking an example,  

Q: Consider the mechanism. Step 1: Step 2: 2A B slow B +C D fast Overall: 2 A +C D Determine the rate l...

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Q: Hi can someone help me in simple terms understand these chemistry questions please, VERY CONFUSED 1...

A: while doing nomenclature of compound, the main part of the name reflects the number of carbons in wh...

Q: If 2083 Joules are used to melt 5.26 grams of aluminum, what is the heat of fusion of aluminum in J/...

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Q: The equilibrium constant for the reaction A(g) B(g) is more than one. What can you conclude about AG...

A: For any reaction at equilibrium the change in Gibbs free energy is given by, ΔGorxn= -RT lnK# where,...

Q: What is the molar solubility (in mol L-1) of a salt with general molecular formula MX (where M is a ...

A: Given data :  1.Initial solubility of M+ = 0.534 mol-1 2. Ksp of MX = 2.1 x 10-8   

Q: Consider the reaction: IC(g) + Cl2(g) → ICl:(s). The AG° of the reaction is -17.09 kJ/mol. Calculate...

A: Given, ICI(g) + Cl2(g) ➝ ICl3(s) ∆G°rxn = -17.09 kJ/mol = -17.09 × 1000 J/mol = -17090 J/mol Tempera...

Q: Enough of a monoprotic weak acid is dissolved in water to produce a 0.0185 M solution. The pH of the...

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Q: The byproduct of the photo dimerization of benzophenone to benzopinacol is? OH hv Ph Ph OH Ph Ph Ph ...

A: 1.) The photodimerization if benzophenone ho vis radical mechanism. We would write mechanism to dete...

Q: Be sure to answer all parts. For a certain reaction, the frequency factor A is 6.7 x 10's and the ac...

A: the rate constant and temperature are related to each other  here we are required  to find the rate ...

Q: EXPERIMENT NO:5 HYDROLYSIS OF SALTS AND THE ACTION OF A BUFFER SOLUTION Aim: To define buffer and de...

A: Acidic solution is the solution which is made of strong acid and weak base.

Q: It takes 412. kJ/mol to break a carbon-hydrogen single bond. Calculate the maximum wavelength of lig...

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Q: Q3) When 3.0 mol Oz(g) is heated at a constant pressure of 3.25atm, its temperature increases from 2...

A: 3.0 mole of O2 is heated at constant pressure of 3.25 atm. Since the pressure is constant, thus it i...

Q: (23) Convert these IUPAC formulas into skeletal structures. a. Cyclooctane b. trans-1,3-dimethylcycl...

A: Three questions based on nomenclature that are to be accomplished.

Q: If 0.090 mole of solid NaOH is added to 1.0 liter of 0.180 M CH;COOH, what will the pH of the result...

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Q: How many milliliters of stock tea is required to prepare a 1% tea solution using a 50 mL volumetric ...

A: Given, Percent of tea solution = 1 % Volume of the flask = volume of the solution = 50 mL Volume (in...

Q: + 2-chlorobutane AICI, Reagent Bry/uv Give positive result when reacts with B major product 2,4-DNPH...

A: Answer of the question given below, 

Q: imilar to NMR, radio waves are also used in magnetic resonance imaging (MRI) technique. True False

A: True or False.,

Q: iI Review | Cor Part B Consider the decomposition reaction of dichlorine monooxide to chlorine and o...

A: Consider the decomposition reaction of dichlorine monooxide to chlorine and oxygen gas., 2Cl₂O(g) → ...

Q: What are alums? Give examples other than potassium alum.

A: Double salts are the salts that dissociate into all its constituent ions completely. Example is Mohr...

Q: (29) Two B-vitamins are shown below. Examine their structures in order to answer the related questio...

A: Let us discuss both the compounds and answer each question one by one.

Q: Explain why different elements produce different spectral absorption and emission lines.

A: The spectral absorption and emission lines. The absorption spectra is produced when the atom absorbs...

Q: 5) Provide the products necessary to complete the synthesis below. Indicate what mechanism was used ...

A: When 2-methyl pentan-3-ol is treated with the PBr3 then firstly SN2 reaction proceeds and the 2-meth...

Q: Draw a plausible mechanism for the electrocyclic ring closing reaction shown below. Provide explanat...

A: Given reaction is an example of electrocyclic ring closing reaction , where cyclisation of open chai...

Q: The energy requiring step during ATP synthesis by the FoF1-ATP synthase is The energy for this step ...

A: We have find out the answer.

Q: . The U.S. Environmental Protection Agency set a maximum contaminant level (MCL) for tetrachloroethy...

A: We know that 1 ppm = 1 mg / L That means 1 L of water contains 1 mg of the solute Given that the max...

Q: The total synthesis pathway of 2-methy-D-erythritol is shown below. Draw a plausible mechanism for t...

A: We have to predict the mechanism for the formation of the structure 4 from structure 3.  

Q: A sample of sucrose, C12H22O11 weighing 0.1328 g, was burned to completion in a bomb calorimeter at ...

A:   Given: sucrose sample weight   =   0.1328 g,  Temperature                      = 25°C,           ...

Q: i) Silver ion (Ag+) reacts with SCN- ion to form silver thiocyanate (AgSCN). What change will the st...

A: Le Chatelier's principle: The change in temperature, pressure, volume, concentration of an equilibri...

Q: 16) The dehydration of an alcohol in the presence of a strong acid yields A) an alkane. B) an alkene...

A: Dehydration of alcohol first form carbocation which rearrange and become more stable carbocation and...

Q: Calculate the pH of a 0.362 M solution of a triprotic weak acid, H3A, given the acid ionization cons...

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Q: The activation energy for the gas phase decomposition of 2-bromopropane is 212 kJ. CH3CHBRCH3–CH3CH=...

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Q: write a complete set of equations (molecular, total ionic, and net ionic) for the reaction of iron (...

A: FeCl3 + NaOH -->  

Q: Identify reagents that can be used to achieve the following transformation): он он The transformatio...

A: LDA always gives less hindered enolate

Q: xample 1: Calculate w and AU for the conversion of 1 nole of water at 100 °C to steam at 1 atm press...

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Q: Complete and balance the chemical equation associated with the neutralization of aqueous sodium hydr...

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Q: Identify the strongest attractive force present in the pure substances shown: London forces, dipole-...

A: Ionic attraction : These type of interaction occur when there is ionic compound that have cation and...

Q: What is peptization and how is it avoided?

A: Conversion of precipitate to a stable colloidal solution by using some peptizing agent is called pep...

Q: For the electrochemical cell 2 Al(s) + 3 Mn²⁺(aq) ⟶ 2 Al³⁺(aq) + 3 Mn(s) (E° = 0.48 V, [Al³⁺] = 1.0 ...

A: Given,  2Al(s) + 3Mn²⁺(aq) ⟶ 2 Al³⁺(aq) + 3 Mn(s) (E° = 0.48 V, [Al³⁺] = 1.0 M),                    ...

Q: 1. A solution has a hydrogen ion concentration of 2x10-6 M. Is the solution acidic, basic, or neutra...

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