How many grams of NaOH are needed to make 100.0 mL of a 0.130 M acetic acid/acetate buffer pH 5.20 from 1.00M acetic acid and solid NaOH? pka for acetic acid is 4.74 and molecular weight for NaOH is 40.00 g/mol

Q: Chromium metal can be electroplated from an aqueous solution f potassium dichromate. The reduction…

A:

Q: Consider the following system at equilibrium: N₂(g) + 3H₂(g) 2NH3(g); AH = 92.94 kJ Which of the…

A: According to Le Chatelier's principle, when there is any change in equilibrium due to external…

Q: (8) Calculate the Eºcell for the following electrochemical cell: Pb(s) Pb²+ ||Cu²+ Cu(s) (9)…

A:

Q: What is the equilibrium concentration of chloroacetic acid, HC₂H₂O₂Cl, in a solution prepared by…

A: Given: Moles of HC2H2O2Cl = 0.0271 mol Volume of water = 1.50 L Ka of HC2H2O2Cl = 1.4×10-3

Q: The specific heat of liquid bromine is 0.226 J/g-K. How much heat (J) is required to raise the…

A:

Q: Using the Frost Circle method to outline the molecular orbitals of cyclobutadiene. and identify…

A:

Q: a. b. C. d. e. Calculate the enthalpy of reaction for this reaction Given: C(s) + O₂(g) → CO₂(g)…

A:

Q: reagent to complete each reaction. Ignore inorganic byproducts. ++ ye ⠀⠀ U 31. Select to Draw 80 HCI…

A: Alkynes undergo addition reactions when treated with Cl2 or HCl or Br2.

Q: What is the equilibrium concentration of chloroacetic acid, HC₂H₂O₂Cl, in a solution prepared by…

A:

Q: Determine the molecular mass of a gas where 2.75 g occupies 0.93 L at standard conditions of…

A:

Q: vapor pressure of pure H20 depends on what?

A: Given- vapor pressure of pure H2O depend ----

Q: 11) Consider the following potential energy profile for the A → B reaction. How many elementary…

A: Elementary reaction are the reaction which takes place in single step.

Q: Calculate the binding energy (in Joules) of a nuclide 112X48 from the following information: mass of…

A: Mass defect is defined as  the difference between the actual atomic mass and the predicted mass…

Q: When gas molecules remain in the gas-phase after a collision with other gas molecules, what is…

A: Effect of collision at atomic-molecular level.

Q: Start with 450ml of  2.5M Acetic Acid and 2.5M of its conjugate.  If I wanted to change the pH of…

A: Using Henderson hasselbalch equation we can determine whether acid or base need to be added or not.

Q: Calculate the [H3O+] concentrations in solutions with the following pH values: 2.37, 5.65, 8.92

A: pH is equal to negative logarithmic of hydrogen ion concentration

Q: Which of the following alkynes is the strongest Lowry-Bronsted acid? Select one: O A. 1-hexyne O B.…

A:

Q: A(n) _____ is a solution characterized by the ability to resist changes in pH when limited amounts…

A: pH is defined as the negative logarithm of the H+ concentration.  pH of the acid is less than 7 pH…

Q: 1. Selection Rules. a) b) State the selection rules in the Rigid-Rotator Approximat State the…

A: A selection rule is involved in explaining how the probability of transition from one level to…

Q: In the reaction, 12 + e- - 21, the I2 undergoes

A:

Q: a. sec-butyl alcohol remains optically active in aqueous base, but racemizes when mixed with dilute…

A: According to Q&A guidelines of Bartleby, we are supposed to answer only the first question out…

Q: MISSED THIS? Watch KCV 9.10, IWE 9.11; Read Section 9.10. You can click on the Review link to access…

A: From the given table we can directly get the ∆H°f values for CO2(g) and HF(g).

Q: LINEZOLID (600 MG TAB, t1/2 = 7 hours) COMPUTED REACTION CONSTANT BASED ON HALF LIFE: Assuming a…

A: According to the question, The half-life for the given first-order reaction is given by = t12= 7 hrs…

Q: What is the hydronium-ion concentration of a solution that is formed by combining 600. mL of 0.30 M…

A:

Q: Using the Frost Circle method to outline the molecular orbitals of cyclobutadiene, and identify…

A: we have to draw molecular otbitals of cyclobutadiene and determine if it is aromatic, antiaromatic…

Q: Decide what kind of crystalline solid each element or compound in the table forms, and what kind of…

A: The given problem is based on the classification of solids based on intermolecular forces.

Q: Give a complete name using IUPAC

A: We have to give the complete IUPAC name of the given compound.

Q: Chromium metal can be electroplated from an aqueous solution of potassium dichromate. The reduction…

A: Electrochemistry is branch of chemistry in which we deal with oxidation and reduction reaction. In…

Q: Which alkali metal would you predict would require the shortest wavelength of light to eject an…

A: Energy required to eject an electron form a metal surface depends upton its ionization energy.…

Q: Which of the following pairs of species is not a conjugate acid-base pair? O H₂CO3, HCO3- O 0²-, OH-…

A:

Q: What value would you get when you round 0.0038067 to one significant figures?

A:

Q: Which of the acids below would have the strongest conjugate base? CH3CO2H pKa = 4.75 CICH2CO2H pKa =…

A: A conjugate base is formed when a proton is removed from an acid.  HA ---------> H+ + A-  HA is…

Q: 6. According to the Balmer-Rydberg equation, electromagnetic radiation with the shortest wavelength…

A: Answer:- This question is answered by using the simple concept of line spectrum using the simple…

Q: In the pharmaceutical industry pH levels are maintained using biological buffers. Buffers play an…

A: pH is a critical factor for all those medications prepared as aqueous liquid forms, because it has…

Q: Chalcopyrite is a mineral which contains 34.62% Cu, 30.43% Fe, and 34.95% S. What is the chemical…

A:

Q: Q3/ Which of the following IR-spectrum has the most suitable for acetaldehyde, e Transmittance 4000…

A: IR spectroscopy is used to determine the functional groups present in the sample. Different…

Q: The following samples of different gases are all at 400K. Which has the highest average kinetic…

A:

Q: Fe₂O3(s) + 3H2(g) = 2Fe(s) + 3H₂O(g) there is only 1.0 mole of each of these substances remaining in…

A: This question belongs to Chemical Equilibrium. Given 1Mole of each of these substances present in 1…

Q: is 7.) A Sample Of 13.3g of Fe₂03 reacts with to yield Fe and Co₂. The balanced e Fe₂O3 (s) + 3 COg…

A:

Q: The mass defect of nuclei (167x ) is 1.414 amu. Estimate the total binding energy per nucleon in…

A: Given that mass defect of nuclei (167) is 1.414 amu .  We have to calculate the total binding energy…

Q: 2. Draw the product(s) of each reaction a. H₂C- b. H₂C C. H₂C= d. O₂N CH3 CH3 CH3 CH3 [1] 03 [2]…

A: chemical reaction is a process in which one or more substances known as the reactants are converted…

Q: e. f. 1. BH3, THF 2. NaOH, H₂O2, H₂O Br₂ DCM HBr -40 °C

A: Organic Reactions  Hydroboration Oxidation Reaction: convert alkene to alcohol Bromination of…

Q: Give a complete name using IUPAC

A: IUPAC stands for International Union of Pure and Applied Chemistry.  The IUPAC name of any molecule…

Q: 7. Draw the major product expected for each of the following reactions. Show stereochemistry where…

A: In presence of pt/ H2 , hydrogenation to alkene occurs or reduction of alkene occurs.  In presence…

Q: Draw the missing products or reagents in the following multistep synthesis. Ignore any inorganic…

A:

Q: In an aqueous mixture made up barium chloride and magnesium chloride, what is the identity of the…

A:

Q: Activating C-H bonds is a popular research target for chemists, particularly for pharmaceuticals.…

A: According to planck Quantum theory the energy and the frequency of the light radiation is related as…

Q: Cla (1 eq) hv Drawing

A: We have been given an organic compound and we have been asked to write products of given…

Q: What is the pH of a 0.35 M solution of a Base with a Kb = 4.4 x 10-4 at 25°C? Identify the step(s)…

A: Concentration of base = 0.35 M Kb= 4.4 × 10-4  pH = ?

Q: 2. You dissolve 290 grams of K₂SO4 into 900 ml of water. Calculate the formula mass of K₂SO4…

A: Given that, 290 grand of K2SO4 dissolved in 900 mL of water. We have to answers the given questions.…

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.