What is the pH of the buffer 0.13 M Na₂HPO4/0.16 M KH₂PO4? Round your answer to 2 decimal places. Note: Reference the K of acids at 25 °C table for additional information. pH = 0 X

Q: a. 2C1F + O₂ → Cl2O (g) + OF2 (g) b. 2F2 (g) + O2 (g) → 2OF2 (g) c. 2C1F3 '3 (1) + 2O2 (g) → ClO (g)…

A:

Q: 5. The volume of a gas is 1 liter at 45.0°C, if the temperature is decreased to 7.0°C without…

A: Initially, Volume (V1) = 1 L Temperature (T1) = 45.0°C = (45.0 + 273.15) K = 318.15 K Later, Volume…

Q: How many valence electrons does a neutral tellurium atom have?

A:

Q: Consider a buffer made by adding 42.3 g of (CH₂)₂NH₂I to 250.0 mL of 1.42 M (CH₂)₂NH (Kb = 5.4 x…

A:

Q: Using the given data below, calculate the enthalpy of reaction. CaC2(s) + 2H2O(l) --> Ca(OH)2(s)…

A:

Q: What is absorbance? Group of answer choices The amount of light not passing through a sample…

A: Absorbance is a measure of the ability of a substance or a solution to absorb electromagnetic…

Q: Propose syntheses for the product shown on the left starting from the indicated compound (shown on…

A: The following process for the retro analysis for the provided target molecule.

Q: At 0 °C, ice has a density of 0.917 g mL−1 and an absolute entropy of 37.95 J mol−1 K−1 . At this…

A: The given reaction, H2O(s) → H2O(l)

Q: O 1) NaOEt 2) Q CH₂CH3 3) H3O+

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

Q: Suppose 8.37 g of zinc was allowed to react with hydrochloric acid to produce zinc chloride and…

A:

Q: 9.Propylene has a molar mass of 42.08 and contains 14.3% H, 85.7% C. what is its molecular mass?

A: Molar mass = 42.08 g/mol % H = 14.3 % % C = 85.7 % Molecular mass = ?

Q: 4. Provide a clear arrow-pushing mechanism for the following reaction. Do not skip proton transfers,…

A: Pyridine acts as base that accept the proton . Sterically hindered nucleophile attack from less…

Q: Give the systematic name for the following coordination compound or complex ion:

A: We have find out the answer.

Q: What is the product of the reaction shown in Image 37

A: Decarboxylation of the carboxylic acid: The carboxylic acid that contains a carbonyl group at the…

Q: 1) A lab technician makes three successive 5.0 mL-to-50.0 mL dilutions (like was described in your…

A: To solve the question-1, we have to understand the successive dilution that are employed here----…

Q: Give the set of four quantum numbers that could represent the electron lost to form the Rb ION from…

A:

Q: 5. How many grams of potassium chlorate decompose to solid potassium chloride and 638 mL of oxygen…

A: Solution: Given: Volume of O2 = 638 mL= 0.638 L  Pressure of O2 = 752 torr × (1 atm 760 torr  )=…

Q: 23. What is the volume in liters, of occupied by 64.0 g O₂ gas at STP? 2

A:

Q: exlpain why we get these final product 1) Cl₂, AlCl3 2) SO3, H₂SO4 3) HNO3 H₂SO4 4) H₂O, H₂SO4, A…

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

Q: Question 3 a) Sketch a graph of the variation in neutron number N with atomic number Z for elements…

A:

Q: According to the following reaction, how many moles of carbon dioxide will be formed upon the…

A: Given,The balanced reaction:2 CO(g) + O2(g) →2 CO2(g)mass of CO =32.0 g

Q: Each image contains a functional group. Match the functional group name to the correct molecule that…

A: Answer:- This question is answered by using the simple concept of determination of functional group…

Q: When 11.5 g of a certain molecular compound X are dissolved in 45. g of benzene (CH), the freezing…

A:

Q: r f Aluminum reacts with chlorine gas to form aluminum chloride according to the reaction below. 2…

A:

Q: In a historical industrial process Co(CO)4H is generated in-situ from CoI2, CO and H2O. By-products…

A: The reactions involving the oxidation of one species and the reduction of other species are called…

Q: A study of the rate of dimerization of C4H6 gave the data shown in the table: 2C4H6 C8H12 Time (s) 0…

A:

Q: A 0.050 M solution of the salt NaA has a pH of 9.00. Determine the [OH] and the pH of a 0.010 M…

A:

Q: A decomposition reaction is determined to be zero order. The initial concentration of the reactant…

A:

Q: 2- How long must a work of an area=1000 cm² is to be plated in a copper sulfate solution to achieve…

A: Cathode efficiency - It is the measured of current that actually utilized for the deposition of a…

Q: Given the following set of atoms, write a bond-line formula for a possible constitutional isomer for…

A: Constitutional isomers are the compounds that have same chemical formula but atoms are connected in…

Q: The equilbrium system pictured below has an equilibrium constant of 3.41 x 10^-5. 1.76 moles of the…

A:

Q: Choose the valence orbital diagram that represents the ground state of Sr²+. 11 5s 10 5s 5s 5p 12 12…

A: we have to select the valence orbital diagram for Sr2+

Q: For the system at equilibrium represented by A + 2B 2C, Keq = 2.19. What is the value of K'eq? 4…

A:

Q: eq req Ereg Important values if needed for this question. When chlorine reacts with sodium iodide,…

A: A balanced chemical equation contain equal number of atoms of each elements on both sides of the…

Q: O + CH3CH₂-OH `ОН OH CH3 Acetic acid (ethanoic acid) HCI or H₂SO4 H*(catalyst) CH3 O O–CH2-CH3 Ethyl…

A: This question is from basic organic mechanisms. It is acid-catalysed esterification.

Q: Balance equation alance •quation 3. Please balance the following reactions KMnO4 + HCI KCI+ MnCl₂ +…

A: Reaction- 3.     KMnO4 + HCl -------> KCl + MnCl2 + H2O + Cl2 4.     Pb(s) + PbO2(s) + H2SO4(aq)…

Q: 4) Complete the followinng reaction. CH₂OH MsCI OH pyridine A NaH B

A: In the presence of MsCl and pyridine primary alcohol gets mesylated selectively. In the presence of…

Q: 11. Carbon monoxide reacts with oxygen to form carbon dioxide. 2 CO(g)+O2(g) → 2 COz(g) In a 1.00 L…

A: Given data,Volume of flask=1.0LPressure of CO=4.30atmPressure of O2=2.50atm

Q: Place the following elements in increasing order (lowest to highest) according to the trend. Text a.…

A: Ionization energy is defined as the amount of energy required to remove valence electron from…

Q: Where did the 2.43 come from?

A:

Q: Which of the following are ionic compounds? (check all that apply) Table Sugar, C₁2H22011 Table…

A: Ionic compound can be defined as the chemical species which breaks into constituent ions in…

Q: Identify key peaks in the IR spectra (Maleic Anhydride)

A: A question based on IR spectroscopy of organic compounds. An IR spectrum is given whose key peaks…

Q: Image 34 EtO (1) NaOEt (xs) OEt (2) 2 CH3CH₂Br H₂O, H* heat (1) SOCH (2) NH3

A: The given compound is active methylene compound. First step of the reaction is NaOEt, which abstract…

Q: Window Help wered: eq req Ereg Important values if needed... | b... 2req 2req s 2req s 2reg ts 11…

A:

Q: How many moles of helium are needed to fill a balloon to a volume of 6.9 L at 24 °C and 595 mmHg?…

A:

Q: 1.) Design a detailed synthetic route to prepare the following compound using cyclopentane,…

A:

Q: METALLIC CRYSTALS ARE ALWAYS... (Discuss the microscopic arrangement of the particles in these…

A: A question based on investigation of solid structure. Metallic crystals and covalent network…

Q: Image 27 CH307 O OCH; II TOCH; III OH

A: Basic concepts related to acidity

Q: H₂O 2 CHỊCH,CH,CH NaOH, Hạo 0° C

A:

Q: can you explain how can we determine major and minor product from these reaction…

A: During the nucleophilic attack on benzyne, need to consider only inductive effect. ( either +I or -I…

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.