% A- vs pH 100 90 80 70 60 & 50 40 30 20 10 ... ... .. 8. 10 11 PH Use the data above to calculate Kb. O 4.0x10-7 O 4.2x10-5 % A-

Q: (d) porphine, often used in supermolecular chemistry as well as catalysis; biologically, porphine is…

A: we need to find number of bonds formed by the ligand porphine with metal ion

Q: Predict what will be observed in each experiment below. experiment predicted observation (choose…

A:

Q: Question 7 At constant T and n, the pressure of a gas can be doubled by: O decreasing volume to 25%…

A: Boyle's law state that pressure of gas is inversely proportional to pressure of gas at constant…

Q: Calculate the molar solubility of AgI in 2.8 M NH3. The overall formation constant for Ag (NH3)2+ is…

A:

Q: Suppose a system of two particles, represented by circles, have the possibility of occupying energy…

A: Given: Two particles system. The possible energy states of particles are 0, 10 and 20 J. And the…

Q: refraction and increase in R per CH2 group? thank you so much :)) Measurement of molecular…

A: Molecular refraction = (n2-1/n2+2)×molecular wt/density n=refractive index d=density

Q: 5. Calculate the vapor pressure of a solution made by dissolving 82.4 g of urea (molar mass = 60.06…

A:

Q: Which of the following reactions is mostly likely for the following reagents? You might need to look…

A:

Q: DATA TABLE Titration Results Trial 1 Trial 2 10.4구 구귀 Equivalence point pH pH of half-titrated…

A: Since you have posted a question with multiple sub-parts, we will solve the first three subparts for…

Q: What is the most proper name of the following epoxide? a. (2S)-2-(2,2-dimethylbutyl)oxirane b.…

A:

Q: 1) Hexane combusts according to the following balanced equation: 2 CGH14( e ) + 19 O2(g) 12 CO2(g) +…

A:

Q: er the second set of conditions, they grew illumi Chlorella with "CO,. imination continued until all…

A: Ans. Carbon pathway in plant photosynthesis: Radioactive isotopes of carbon (14C) has been valuable…

Q: E11C.2(a) Calculate the percentage difference in the fundamental vibrational wavenumbers of "Na Cl…

A:

Q: Which of the following sets of quantum numbers, do the following: i. If correct, draw an orbital…

A: In quantum we have 4 quantum numbers which are used to specify the position of electron.  For…

Q: Predict the sign of AS and then calculate AS for each of the following reactions. (This problem…

A: To predict the sign of entropy We need to remember some easy rule - 1) Entropy at gases state >…

Q: 6. A 7.85-g sample of a compound with the empirical formula C5H4 is dissolved in 301 g of benzene.…

A:

Q: (59,63) A compound with a molecular mass of 168 g/mol has an enthalpy of vaporization of 56.8…

A: Given: Vapour pressure at 35 oC = 455 torr. And ΔHvap = 56.8 KJ/mol = 56800 J/mol.

Q: Rank the following from the most to the least stable. II II IV а. III > II > IV > I b. I> IV > II >…

A: Stability of alkene is decided by number of alpha hydrogen atom i.e number of hydrogen atoms present…

Q: For each pair of concentrations, choose which one represents the more acidic solution.

A:

Q: 3. Lactic acid, C,H,O, (90), is a weak acid that gives yogurtits sour taste. Calculate the pH of a…

A:

Q: The gas modeled in the graph above has a volume of 50 cubic meters when the pressure is 100 kPa.…

A: The graph given is, Given: Pressure = 100 KPa and volume = 50 m3.

Q: What pattern exists between an atom's mass and its vertical position in the periodic table? What…

A:

Q: How many moles of sodium acetate should be added to 0.40 mol CH3COOH to make a solution buffering at…

A: Given- Moles of CH3COOH = 0.40 mol pH = 4.46 pKa = 4.76

Q: Eluding the cis or trans designation, what is the IUPAC name of the following substanc s not…

A: Given: We have to write the IUPAC name for the given molecule.

Q: true or false and why is false 4 Paramagnetic substances are those which contain unpaired electrons…

A: We have find out true or false.

Q: Select the product of the following reaction. 1. NABH4 H. HO, 2. H30* Но HO, HO

A:

Q: A solution is 1.4×10−2 MM in Ba2+Ba2+ and 1.9×10−2 MM in Ca2+Ca2+. Consider that…

A:

Q: Arrange the following compounds in order of increasing boiling point. Clear All CH3CH,CH,CH2CH20H…

A: Boiling point :-  The temperature at which the vapor pressure of a liquid becomes equal to…

Q: Question 20 Which one of the following sets is arranged correctly in order of increasing first…

A: Choose correct option of set of ionisation energy---

Q: What is the major organic product obtained from the following reaction? OH 1. CH3M9CI (2eq) A OCH3…

A: CH3MgCl (Grignard Reagent) has a positively charged MgCl group and negativity charged Alkyl group.…

Q: Part A The following data show the rate constant of a reaction measured at several different…

A: The data given is,

Q: Rank the following acids from least to most acidic. (Start with the least acidic as 1) Br HO Br. HO…

A:

Q: 35 grams of potassium chlorate are dissolved in 100 grams of water. The solution is heated until all…

A: Solubility The amount of solute present in 100 g of solvent is known as solubility. The solubility…

Q: Predict the products of the reaction below. That is, complete the right-hand side of the chemical…

A:

Q: Which substance is being oxidized in the reaction 2 Mg(s) + O2(g) 2 MgO(s)? C Mg(s) C O2g) C MgO(s)…

A: Oxidation :-  The process of addition of oxygen or loss of electrons or increase on oxidation number…

Q: Answer the questions in the table below about this molecule: OH What is this molecule's chemical…

A:

Q: Describe the preparation of a 250 mL of 5 M aqueous HCI solution from a 35% (v/v) concentrated…

A: Given: Concentration of final solution = 5 M Volume of final solution = 250 mL = 0.250 L…

Q: Draw the structure of zinc dihydroxy tetraphenyl porphyrins ?

A: Let us discuss the structure of given compound.

Q: Answer the questions in the table below about this molecule: O- What is this molecule's chemical…

A: First we would draw complete structure of compound in which all atoms are shown.  a ) To write the…

Q: Choose the correct reagents and reaction sequence for the following transformation. ? CH3- Br CH3…

A:

Q: Question 1 - Nomenclature QUESTION 1 - Nomenclature and Drawing of Organic Molecules Nomenclature…

A:

Q: When 25.0 mL of a 8.63×10-4 M cobalt(II) acetate solution is combined with 22.0 mL of a 1.70×10-5 M…

A:

Q: Experiment 1: Preparation and pH of Buffer Solutions Test Data: Mass of Sodium Acetate…

A:

Q: Answer the questions in the table below about this molecule: What is this molecule's chemical…

A:

Q: CHEMWORK Rubidium-87 decays by B production to strontium-87 with a half life of 4.7 x 1010 years.…

A:

Q: please explain and solve

A: In the Given reaction, 2 Mg(s) + O2(g) → 2 MgO(s)

Q: nitrox II gas mixture for scuba diving contains oxygen gas at 53 atm and nitrogen gas at 94 atm.…

A:

Q: 2. Write the equation for the reaction between propylamine and HBr.

A: Note : Since you have posted multiple questions, we are entitled to answer the first only. Please…

Q: Enter electrons as e". A voltaic cell is constructed from a standard H*|H2 half cell (E°red =…

A:

Q: A reversible process is one that __________.   Group of answer choices 1) must be carried out at…

A:

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.