A 13.0 ml solution of weak base with Kb = 1.33×10-3 (at 25°C) with concentration of 0.086 mol L1 was titrated with 0.100 mol L* hydrochloric acid. What is the pH of the analyte solution at the equivalence point at 25°C?   a. 8.79   b. 7.56   c. 9.48   d. 6.23   e. 2.84

Q: Experimental data for the reaction 2NO2(g) + F2 (g) → 2NO₂F(g) are given in the table below. [NO2]…

A:

Q: Half-reaction E° (V) X+ (aq) + e− ⟶X(s) 1.49 Y2+(aq) + 2e− ⟶Y(s) 0.70 Z3+(aq) + 3e− ⟶Z(s) −1.22…

A: -> The species which has highest reduction potential (without sign ) that will reduce itself…

Q: Fill in the name and empirical formula of each ionic compound that could be formed from the ions in…

A: To write the empirical formula and name of the given pair of cation and anion.

Q: Consider the following reaction: N2 (g) + 3 H₂ (g) = 2 NH3 (9) Complete the following table. Assume…

A: Consider the following reaction: N2(g) + 3H2(g) <---->  2 NH3(g) Complete the given table.…

Q: Which of the following compounds is more basic? Compound 1 Compound 2 NH₂ H Compound 1 NH₂ NH₂…

A: ONLY ONE QUESTION TO BE ANSWERED AS PER ANSWERING GUIDELINES.

Q: 10. If 900 mL of water were added to a 100-mL solution of NaOH, the pH would: a. increase by 10 b.…

A: Let C be the concentration of NaOH. Volume of NaOH = 100 mL   Volume of water added = 900 mL Total…

Q: Match the chemical with its correct mass. maleic anhydride a-phellandrene theoretical yield of…

A: Diels-Alder reaction: The Diels–Alder reaction is a pericyclic reaction (cycloaddition) between a…

Q: Which pair of complex and magnetic properties is correct? Select one: O a. [Fe(en), (NH₂), JCl₂,…

A: This question belong to coordination compounds.  Paramagnetic: unpaired electron Diamagnetic: No…

Q: What would be the stereochemistry of the compound? CH3CH₂CH=CHCH₂CH₂OH

A: Stereochemistry is a branch of chemistry that deals with the study of the different spatial…

Q: A solution of tin(II) sulfate, SnSO4, was electrolyzed using Pt electrodes. Which one of the…

A: Oxidation is the process in which an atom, molecule or ion loses one or more electrons. Reduction is…

Q: 5. Suggest how you would carry out each of these syntheses (remember, your target compound is the…

A: Every organic reaction includes four processes- Substrate, attack on the substrate by a reagent,…

Q: The reversible chemical reaction A+B=C+D has the following equilibrium constant: [C] [D] Kc = = 2.7…

A:

Q: The decomposition of sulfuryl chloride has a rate constant of 2.20 x 105 s¹ at 320°C. If the of…

A:

Q: 24×10³ E) 0.100 9) At 200°C, the equilibrium constant for the reaction below is 2.40 x10³. 2NO (g)…

A: Equilibrium Partial Pressure:- The partial pressure is a gaseous property pertaining to the force…

Q: A student measured the molar heat of neutralization of a monoprotic acid with NaOH and the following…

A: we have to calculate ∆Hrxn per mole of acid for the given neutralization

Q: Complete the table below by writing the symbols for the cation and anion that make up each lonic…

A: We have to determine the formula of cation and anion and fill the given table.

Q: Which one statement (A) – (E) concerning Galvanic and Electrolytic cells is NOT correct?  A) In the…

A:

Q: Table 1: Concentrations of [H3O*] and [OH-] when various amounts hydrochloric acid (HCl, strong…

A: A strong acid is an acid which is completely ionized in an aqueous solution. Example : Hydrogen…

Q: synthesis of this starting from cyclohexanone. I was thinking oh adding benzene, ethylene, and…

A: Here clearly mentioned that you have to start it from cyclohexane. Lets start it step by step…

Q: In the diagram of TLC for column chromatography, when does the organic product show up, and when…

A: The question is based on the concept of column chromatography. it is a method of separating…

Q: on H₂N ОН О

A: The question is based on the concept of  IUPAC naming. we need to write the name of the given…

Q: Which one statement concerning practical batteries is NOT correct? A) A standard AA-sized battery is…

A: In the given question, we have to find incorrect statement about practical batteries.

Q: Sodium Chloride reacts with lead II nitrate according to the following equation: NaCl + Pb(NO3)2 -->…

A: Given balanced equation is NaCl + Pb(NO3)2 ------> PbCl2 +  2 NaNO3  Mass of lead(II) nitrate…

Q: If this is an elementary chemical reaction, then there is a single forward rate and a single reverse…

A: This question belong to Chemical Kinetics. Kc  = Kf/Kb,

Q: 18. The following equation represents the chemical equilibrium in an unopened pop can: CO2(g) + H₂O…

A: We have find out the answer.

Q: The major product(s) of this reaction would be (R) only H Multiple Choice O Br only (R). only (S).…

A: In this question, we will draw the structure of the major organic product and select the correct R/S…

Q: If you have the following gasses present in your lungs, as well as oxygen and the total pressure is…

A: Dalton's law: Dalton's law of partial pressures states that in a mixture of non-reacting gases, the…

Q: Describe how you would prepare exactly 100 mL of 0.103 M picolinate buffer, pH 5.53. Possible…

A: A buffer is a solution which resist any change in pH on adding a small amount of acid or base .…

Q: A certain reaction is second order in N, and first order in H₂. Use this information to complete the…

A: Answer: Power of concentration term in a rate law is the order of reaction with respect to that…

Q: A student collected the following rate and temperature data. T (deg C) Rate (M/s) 10 1.02E-06 20…

A:

Q: In the Knoevenagel-Transesterification Experiment, what does a 60% yield tell you about the product…

A: The question is based on the concept of experimental Chemistry. We have to explain the percentage…

Q: Use an Arrhenius plot to determine the frequency factor (A) for the reaction.

A:

Q: Which one of the following reagents would oxidize Zn to Zn2+, but not Ag to Ag+ under standard…

A: The standard oxidation potential for Ag and Zn are written as follows; Ag(s) ⇌Ag+ + e−  , E0  =…

Q: If a saturated solution of calcium hydroxide had a molarity of 0.0125 M, [Ca²+] = [OH-] =

A:

Q: What are the IUPAC names of the following compounds? (a) CH₂CH=CHCH₂CH (b) C=C- CE (d)…

A: This question belong to Nomenclature of organic compounds. IUPAC periority = main functional…

Q: 20.2 Suggest a two-step sequence to carry out the transformation shown below using a nitrile. Br OH…

A:

Q: You carry out the reaction represented by the following balanced equation: N2(g) + 3H2(g)

A: Given incomplete reaction N2(g) + 3H2(g) ----> We need to write the complete and balanced…

Q: How many (vertical) nodes are represented by the following molecular orbital?

A: We have to determine the number of nodes in the given molecular orbital

Q: Predict the product for the following reaction. excess H₂ Ni, 100 atm, 150°C || ZZZZZ ||| HO IV

A: In this question, we will draw the structure of the major organic product for the given reaction.…

Q: Tabulate the band locations of the important functional groups for the IR spectra of…

A: We need to predict and tabular the important functional groups peaks from the given IR spectra of…

Q: Below is the Lewis structure of the oxygen (O₂) molecule. 0:0 Count the number of bonding pairs and…

A: Bonding pairs : The electrons that are participating in the formation of  bond are known as bonding…

Q: Consider the solutions below. Which two solutions will have the same reaction rate? D A C B CH₂CI+…

A: Methyl chloride undergo SN2 reaction with OH- to form methyl alcohol and Cl-.In SN2 reactions the…

Q: In the diagram of TLC for column chromatography, What does light faded looking spots (less or less…

A: Given that, the TLC diagram is shown below We have to tell What the light faded spot…

Q: predit the products - please answer with drawings!

A: The question is based on the concept of organic reactions. we need to identify product and reactant…

Q: Tungsten forms body-centered cubic crystals. From the fact that the density of tungsten is 19.3 g cm…

A: we have to calculate the length of the unit cell.

Q: Give IUPAC names for the following aromatic compounds: (a) (c) Mums Or CI oldida to noticearodi tot…

A: The question is from the concepts of IUPAC naming. we need to write IUPAC name of given compounds…

Q: If solutions of potassium chloride and calcium sulfide are mixed, write and balance a chemical…

A: Write down the formulas for each compound and then write down the balanced reaction after reacting…

Q: Provide the complete set of quantum numbers for all the electrons that could populate the 3p…

A:

Q: 8. Draw all the resonance structures for the following: -0-

A:

Q: A student records the following equilibrium concentrations for the iron(III) thiocyanate…

A: The concentration values given are [Fe3+] = 0.0037 M  [SCN–] = 0.0038 M  [Fe(SCN)2+] = 0.00023 M

Acid Base Titration

An acid-base titration is the method of quantitative analysis for determining the concentration of an acid and base by exactly neutralizing it with a standard solution of base or acid having known concentration.