A 44.4 mL sample of a 0.300 M solution of NaCN is titrated by 0.100 M HC1, K₁ for CN is 2.0 × 10-5. Calculate the pH of the solution: a. prior to the start of the titration pH b. after the addition of 93.2 mL of 0.100 M HCl PH = c. at the equivalence point pH d. after the addition of 173 mL of 0.100 M HCl pH =

Q: Determine the overall orders of the reactions to which the following rate laws apply: Part 1 of 2 =…

A: To solve this problem we have to know about order of the reaction . Overall order of a reaction is…

Q: oq bns saiso O srit to d. e. 2 OH ASH li eau of O orilee to abs f. 2 [ox] OH ST 080 ОН H₂SO4 OH…

A: The question is based on organic reactions.       we need to identify the product formed and explain…

Q: Aqueous hydrobromic acid HBr reacts with solid sodium hydroxide NaOH to produce aqueous sodium…

A: Balanced chemical equation for the reaction is                                   HBr + NaOH…

Q: Compound 3 below, called mycoepoxydiene, has been isolated from a marine fungus and has been shown…

A: We have to carry out the below given transformation. The given reagents are Introduction: Reaction…

Q: Draw the starting materials needed to complete this Robinson annulation reaction in basic conditions…

A: Given that, the product of the Robinson annulation is shown below We have to draw the structure of…

Q: Complete the following solubility constant expression for Co (OH)₂ K = sp

A: Solution: The solubility of Co(OH)2 can be expressed by its solubility product constant (Ksp), which…

Q: Describe the working principle of Alkaline fuel cell (AFC). What is the “poisoned state” of an AFC?…

A: Answer: An alkaline fuel cell (AFC) is an electrochemical device that converts chemical energy from…

Q: Give the IUPAC name for the organic compound shown here: NH₂ C-C-C-C The IUPAC name of the molecule…

A: IUPAC stands for International Union of Pure and Applied Chemistry. It is an international…

Q: A 30.00 mL of 0.125 M NaOH solution is titrated with a standard 0.250 M HCI solution. Calculate the…

A: Given :  Volume of NaOH solution = 30.00 ml  Molar Concentration of NaOH solution = 0.125  M  Volume…

Q: Draw the major product of this aldol condensation reaction. Ignore inorganic byproducts. 1. NaOH,…

A: Carbonyl compounds having alpha-hydrogen undergo self condensation to give Beta-hydroxy carbonyl…

Q: The pH of a basic solution is 11.41. What is [H*]?

A: pH is equal to negative logarithmic value of Hydrogen ion concentration

Q: What is the ideal bond angle (in degrees) of an atom with square planar molecular geometry? Answer:

A: To solve this problem we have to know about square planar geometry.

Q: A balloon is filled to a volume of 1.75 L with 3.50 moles of gas at 25 °C. With pressure and…

A: Given, Initially: Volume (V1) = 1.75 L moles (n1) = 3.50 mol   Later: (when 0.30 mol are added),…

Q: 1. 2. 3. мог CH3 유 сH3 C-ce десез Br excess CHCHCH ce десез CH3 O=C_CH2 CH3

A: As per the bartleby answering guideline. It is multiple question and I am giving the answer of first…

Q: H₂C H₂C Compound Band Line Structure H₂C CH₂ CH₂ mo CH₂ CH₂ CH₂ OH…

A: Bond line structure is the representation of organic molecule in a way such that each junction…

Q: In an experiment to determine the number of moles of dry oxygen formed, potassium chlorate…

A: Ideal gas equation:  PV = nRT where, P = Pressure in atm V = Volume in L n = Number of moles R =…

Q: Calculated concentration of the original weak acid solution.

A: Maleic acid is diprotic acid, so the balanced reaction is Maleic acid +2NaOH= 2H2O + Na-salt of…

Q: Determine the equilibrium constant at 25°C for the reaction Br2 (1) + 2 Cl(aq) = 2Br (aq) + Cl2 (g)…

A: Cell potential, also known as electromotive force (EMF), is a measure of the electrical potential…

Q: Which of the following compounds do not have an overall molecular dipole moment at all?

A: Since,If change in dipole moment is equal to zero then molecule become non-polar.If change in dipole…

Q: The most appropriate name for the structure is: HO H₂C |||** H₂C H H CH₂ (2S, 6S,…

A: The given problem is based on the IUPAC nomenclature of organic compounds. The structure of the…

Q: 4. (a) Use the standard reduction potentials at 25° C in Table 18.1 in Tro, Fridgen and Shaw, and…

A:

Q: Give the IUPAC name for the organic compound shown here: C-NH T C-C-C The IUPAC name of the molecule…

A: IUPAC stands for the International Union of Pure and Applied Chemistry. It is an international…

Q: Curved arrows are used to illustrate the flow of electrons. Using the provided starting and product…

A: Keto-Enol tautomerism- Here enol abstract proton from Protonated ethanol to form keto form.

Q: Use the References to access important values if needed for this question. You wish to prepare 259…

A: To solve this problem we have to find the amount of Solute dissolved to make the solution

Q: The rate constant for the second-order reaction: 2NOBr(g) 2NO(g) + Br₂ (g) 0.80 at 10.0 °C. Starting…

A: Answer: This question will be solved with the help of integrated rate law for 2nd order reaction…

Q: For each scenario below, select the color of the solution using the indicator thymol blue during the…

A:

Q: I OCH3 Compare the stability of the sigma complexes for the ortho-bromination of methoxybenzene and…

A:

Q: 5. 6. 7 дей N-4 NH₂ I сЊ он base і 2. wonte Loun + excess CH₂ I або Ⓒheat кон -ен, CH3 -инг

A: Given that, the reaction schemes are shown below We have to provide the missing reactant and…

Q: Use the information in the ALEKS Data tab to sort the following chemical species by reducing power.…

A: Greater the value of standard reduction potential of a redox couple , stronger be the oxidizing…

Q: Draw the enolate anion and the carbonyl that would be needed to make this product through an aldol…

A: A carbonyl group is a functional group composed of a carbon atom double-bonded to an oxygen atom…

Q: 1.Consider the following reaction: 2SO2(g) + O2(g)2SO3(g) A 2.000 L flask was filled with 0.0400 mol…

A: Since,Equilibrium constant or Kc is the ratio of the equilibrium concentrations of product over…

Q: Write a Simple mechanism for the hydroboration-oxidation of 1- heptene using 1) BH3:THF 2) H2O2 and…

A: We know addition of BH3 across unsymmetrical alkene follows Markovnikov's rule .

Q: 15. Calculate the K'p of a solution containing 0.150 M Pbl₂.

A: The question is based on the concept of solubility product principle.    It that states that when a…

Q: (b.mmng Ammonia gas can be prepared by the reaction of calcium oxide with amirnium chloride: Cao(s)…

A:

Q: Complete the following solubility constant expression for Mg(OH)2. Kp = 0 sp X S 010

A: Since,Equilibrium constant or Ksp is the ratio of the equilibrium concentrations of gaseous product…

Q: Use the numbers in the table below to calculate the missing values. Assume the dilute HCI was formed…

A:

Q: A buffer solution contains 0.385 M NaHSO3 and 0.238 M K₂SO3. Determine the pH change when 0.055 mol…

A:

Q: What is Polyethene?  How is polyethene biodegradable?

A: Biodegradable refers to the ability of a material to be broken down into natural elements, such as…

Q: In each group of three bonds, which bond is likely to be the most polar? Which will be the least…

A: To solve this problem we have to decide the polarity of the bond .

Q: 1. a) Use structures to show the formation of an ester via a condensation reaction. Specifically:…

A: An acid and alcohol undergo condensation reaction to form ester in presence of strong acid catalyst…

Q: Determine the pH of each of the following solutions. 0.115 M HClO2 8.50×10−2 M KCN 0.165 M NH4Cl

A: PH is negative log of the concentration of Hydrogen ions

Q: The hydroxide ion concentration in a solution of NaOH is 7.6 x 10-¹ M at 25 °C. What is the pH of…

A:

Q: 4. о Br сна-снасна не сез ce

A:

Q: SO₂Cl2 decomposes by first-order kinetics with a rate constant of 2.81 × 10³ min¹. a. What is the…

A:

Q: What are the main factors and how do they affect the ligand-field splitting parameter, A, in…

A: In coordination complexes, the ligand-field splitting parameter (Δ or Delta) is the energy…

Q: [References] Use the References to access important values if needed for this question. The formula…

A: Mass of 1 mole = Molar mass  In one mole of AB, we have 1 mole A and 1 mole B

Q: The Keq for the equilibrium below is 5.4 × 1013 at 480.0°C.    2NO (g)  +  O2 (g)   2NO2 (g)…

A: Keq is equilibrium constant and it is equal to concentration of product divide by concentration of…

Q: Draw the major product of this aldol addition reaction. Ignore inorganic byproducts. 1. LDA 2.…

A:

Q: 6) Explain why a 0.010 M solution of hydrochloric acid, HCl has a pH of 2.00 but a 0.010 M solution…

A:

Q: Suppose we titrate 20.0 mL of 0.100 MHCHO₂(K,-1.8 x 10) with 0.100 M NaOH. Calculate the pH. Your…

A: We have to solve the pH of the acid

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.