When mixed in equal molar amounts, which of the following pairs of substances would create a buffer? NaOH and Na+ HC1O4 and ClO4 O HF and NaF O HNO2 and HNO3 HCI and NaCl

Q: A student collected 17.14 ml of H₂ over water at 25.00 °C. The water level inside the collection…

A:

Q: What class of molecules is responsible for most of the reducing power in natural waters? What…

A: What class of molecules is responsible for most of the reducing power in natural waters ? What…

Q: Br -

A: Detail mechanistic pathway is given below to carry out the following conversion

Q: The redox reaction below has a AG value of 642. kJ. Determine the standard cell potential (E cell)…

A: Given that, a balance redox reaction is A(s) + 5B3+(aq) → A5+(aq) + 5B2+(aq). The ∆G0 value of the…

Q: Self-test 16.2 A CH₂Cl molecule has a C-Cl bond length of 178 pm, a C-H bond length of 111 pm, and…

A: Solutions- Given- C-Cl bond length = 178 pm C-H bond length = 111 pm.

Q: Br H O

A: alkyl halide with bulky base will give less substituted alkene alkene undergo hydroboration will…

Q: Example Weigh of bottle with Na₂C₂04, g Weight minus Na₂C₂04.9 Weight of Na₂C₂O4 taken, g Final…

A: The balanced equation for the reaction of C2O42-(aq) and MnO4-(aq) is: 5C2O42-(aq) + 2MnO4-(aq) +…

Q: Part A The mass of an electron is 9.11 × 10-³1 kg. If the de Broglie wavelength for an electron in a…

A: Part - A) Given : Mass of an electron   = 9.11×10−31 kg. De - broglie wavelength = 3.31×10−10 m…

Q: my moles of

A:

Q: Arrange the following structures in the increasing order of their stability with the suitable reason…

A: Order of stability is  A> D > B > C

Q: e, what are the products (

A:

Q: A galvanic cell is prepared using copper and silver. Its cell notation is shown below: Cd(s) | Cd2+…

A: Cathode reaction of a galvanic cell using copper and silver

Q: 3. (a) What is meant by coordinative unsaturation? How is it related to catalytic properties of…

A: This Question is based upon Homogeneous Catalysis.

Q: 6. (a) Compare the old (Boot's method) and new (Green) syntheses of Ibuprofen in the light of Green…

A: This Question is based upon Green Chemistry.

Q: The mechanism for NO2 (g) + CO (g) → NO (g) + CO2 (g) is thought to be: 2 NO2 → NO3 + NO (slow)…

A: Rate of a reaction is given by slowest step of a reaction and hence it's rate can be given be rate…

Q: A silver nitrate solution contains 5.67 g of primary standard AgNO3 (MM = 169.87 g/mol) in 1.00 L.…

A:

Q: 3. Which polymer has higher Tg? O O 0 || -C(CH₂)4CNH(CH₂)6NH- C(CH₂)4CO(CH₂)40- (A VS. B) +CH₂-CH+ n…

A: Factors affecting the glass transition temperature (tg) : 1. Molecular weight : increases Molecular…

Q: How much water can you extract from 1.00 L of 0.35 M solution of sugar at 40 C by exerting a…

A: The solution is given below

Q: Given the reaction below, complete the line notation. Co3+ (aq) + Au(s) → AU³+ (aq) + Au3+ (aq) +…

A: Complete the line notation of the given reaction---

Q: 1054.00 38 1581.98 1032.45 1015.76 100 92 2971.78 2964.30 2842.98 3679 07 1592.72 1574.49 1426.29…

A:

Q: Solid zinc nitrate is slowly added to 175 mL of a 0.0572 M potassium sulfide solution. The…

A: Here we are required to find the concentration of zinc which is needed to just initiate the…

Q: e standard Gibbs Free Energy, AG n rxn, for th

A:

Q: Which indicator could be used to titrate aqueous NH3 with HCI solution? Indicator Acid Range Color…

A: we have to find which indicator can be used

Q: A student reacts benzene, C6H6, with bromine, Br2, to prepare bromobenzene, C6H5Br, and HBr. C6H6 +…

A:

Q: Calculate the value of AGO kJ mol1 for th

A:

Q: 3. The pH of 0.125 M Na₂X is 11.15 and the pH of 0.125 M H₂X is 2.55. Calculate pKa1 and pKaz for…

A: pKa1 is Calculated using Ka1 . For this we would consider first ionization of H2X and use given…

Q: The television remote control does not always change the channel. Curious, Alya removes the alkaline…

A:

Q: Consider the 4 molecules below. Which 2 molecules are constitutional/structural isomers of each…

A: Given 4 molecules  Find the constitutional isomer.

Q: Chemistry Draw a complete arrow pushing mechanism for the following reaction. NaOH ? A

A: Here 1,4 conjugate addition occurs in presence of base NaOH which abstract the proton from ketone…

Q: A) Make 500 ml of a 50 X solution of HEPES buffer. B) Use this (50X HEPES Buffer) to make 1 liter of…

A: Required : a) 500 mL of 50X HEPES Buffer b) Make 1 L of 0.5X HEPES from above solution The recipe of…

Q: utions of sulfuric acid and lead (II) acetate react to for d. If 15.3 g of sulfuric acid and 13.1 g…

A:

Q: Calculate the H+ ion concentration in lemon juice having a pH of 2.40. 4.0 x 10-2 M 250 M 0.38 M 4.0…

A: pH = 2.40

Q: NH

A: First four steps and mechanism is given as follows.

Q: The following addition reaction produces which stereoisomer? H₂O.

A:

Q: 3. Which polymer has higher Tg? 0 0 0 || || || || -C(CH₂)4CO(CH2)40- -C(CH₂)4CNH(CH₂)6NH- (A VS. B)…

A: Since you have asked multiple questions we will answer the first one fir you. To get the remaining…

Q: Consider the diagram of voltaic cell. Choose the correct answer from the parentheses and fill in the…

A: In given cell Electrode where electrons flow out called anode. Electrode where electrons flow in…

Q: Which of the following is necessarily true for a galvanic cell with the following reaction? NiSO4…

A: Solutions- Galvanic cell for the reaction between Nickel sulphate and iron.

Q: IR.HNMR.C.NMR what the?

A: The IR and NMR spectroscopy helps us to find the structure of the unknown organic compounds.

Q: Hydrazine is used to eliminate dissolved, corrosive oxygen from the water used in high-pressure,…

A: The oxidation state of a neutral compound is equal to zero.

Q: To study the kinetics of the reaction between acetone and iodine N/10 NaHCO3 solution in the conical…

A: To study the kinetics of the reaction between acetone and iodine N/10 NaHCO3 solution.

Q: 9) 10) Al(s) + F2(g) + ― HCl(aq) NaBr(aq) → AICI3(aq) + NaF (aq) + H₂(g) Br₂(1)

A: Balanced equation means number of each atom in both side are present in equal number.

Q: 3) A vegetable weight is 23.5631 g was found to have 0.0762 g acid-insoluble ash. What is the…

A:

Q: given the density of cyclohexane is 0.779glml, what would be the mass of 25.0 mL in grams

A: Given data :  Density of cyclohexane =0.779gm ml-1  Vol.= 25ml  Mass= ?

Q: Moles = Molarity (Moles/Liter) * Liters Question: How many grams of NaOH would be required to make…

A:

Q: If we represent the equilibrium as: CoCl42 (aq) Co2+ (aq) + 4Cl (aq) We can conclude that: 1. This…

A: Since you have asked multiple questions, we will solve the first question for you. If you want any…

Q: (b) Write an expression of the vibrational partition function. Obtain the relation of the…

A: The answers are given below:

Q: The reaction CO + Cl2 COCl2 was studied by the initial rate method and the following data were…

A:

Q: The fat content of 10 g of commercial ice cream was determined by the Mojonnier method. The weights…

A: To calculate the percent of fat extracted during third extraction, we would first need to calculate…

Q: 5 conjugate base

A:

Q: NaOH H₂S HNO3 BaSO4 FePO4 weak acid strong base weak base soluble salt insoluble salt

A: An acid which can produce H+ ions in a solution  An base which can produce OH- ions in a solution…

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.