An analytical chemist is titrating 195.6 mL of a 0.5200M solution of formic acid (H₂CO₂) with a 0.7300M solution of кOH. The pk of formic acid is 3.74. Calculate a the pH of the acid solution after the chemist has added 97.77 mL of the KOH solution to it.

Q: 11.1 Draw the major product(s) for the reaction below. Ignore stereoisomers. HCI 11.2 Draw the major…

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

Q: Hydrofluoric acid and water react to form fluoride anion and hydronium cation, like this: HF (aq)…

A:

Q: A chemistry graduate student is given 125. mL of a 1.50M trimethylamine ((CH3)₂N) solution.…

A: The concentration of trimethylamine =1.50 MThe volume of the solution = 125 mLThe pH of the solution…

Q: 1. Construct a heating curve for Toddium, using the following information. a. Melting point of 15°C…

A: The heating curve of the element provides information about the change in phase of a substance with…

Q: 6. A coffee cup calorimeter contains 480.0g of water at 25.00°C. To it are added: 380.0g of water at…

A: Hii there, since there are multiple questions posted. We are answering first question. If you need…

Q: H₂C CH3 H3C Br Br: Br₂ CH₂Cl₂ H3C Br Electrophilic addition of bromine, Br₂, to alkenes yields a…

A: It is based on the concept of reactivity of alkene.  Here we are required to show the flow of…

Q: a. What is the mathematical formula summarizing the Gibb's Phase Rule? Define the meaning of the…

A: (a) Answer -  Gibbs Phase Rule - The Gibbs phase rule p+n=c+1 gives the relationship between the…

Q: It isn't always best to use the instrument with the highest precision. For example, instruments of…

A: Given: High precision instruments and low precision instruments and some situations ard given  To…

Q: a. 1.1 M NaOH H2N + NABH4 MEOH 2.1 M HCI

A: (NaBH4 + NaOH) solution is a powerful basic reducing agent. Sodium borohydride reduce aldehydes and…

Q: 1. Explain how a saturated solution represents an equillibrium between the solution and any…

A: “Since you have posted multiple questions, we will provide the solution only to the first question…

Q: Hydrogen is manufactured on an industrial scale by this sequence of reactions: CH₂(g) + H₂O(g) = CO…

A: The equilibrium constant of a chemical reaction gives a relationship between the reactants and the…

Q: The graph of vapor pressure vs. temperature for three liquids, trichloromethane, tetrachloromethane…

A: The enthalpy change of a reaction can be calculated by Clausius-Clapeyron equation, ∆Hvap=R…

Q: -2. Give the principles, advantages, and disadvantages of each type in a Table form. TYPES OF…

A: Brightfield microscopy Principle of Brightfield Microscope For a specimen to be the focus and…

Q: How many kinds of chemically non-equivalent hydrogens are there in each of the following compounds?…

A:

Q: 1. The data below show the concentration of N₂O5 versus time for the following reaction: N₂O5(9) →…

A:

Q: 2-aminophenol hydrochloride is pictured at right. As is, the acid is fully protonated, the H from…

A: 2-aminophenol hydrochloride, HO-C6H4-NH3+Cl- is a diprotic acid with pka values of pKa1 = 4.70 and…

Q: I. An ideal solution of two homologous liquid alkane compounds have an overall vapor pressure of 550…

A:

Q: Till now how many nobel prize is received in chemistry in what field by whom.

A: As of my knowledge cutoff date of September 2021, a total of 185 Nobel Prizes in Chemistry have been…

Q: Draw the major organic product for the reaction shown. Do not draw counterions or byproducts. Draw…

A: It is based on the reactivity of acid chloride.  Here we are required to predict the major  product…

Q: My calculated value for the specific heat falls between the specific heat of the 20% solution and…

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

Q: Select the species that contain an inversion center. SiH4 SF6 [IF] GaH₂

A: Inversion center: If in a molecule the coordinates (x,y,z) of every atom are changed into (-x,-y,-z)…

Q: The chemical method of analysis in determination of the blood alcohol content (%BAC) is: K₂Cr₂O7 +…

A: The unbalanced given reaction is K2Cr2O7 + H2SO4 + C2H5OH → Cr2(SO4)3 + K2SO4 + CH3COOH + H2O

Q: OH

A: the given reaction is dehydration reaction and to proceed this reaction concentrated sulfuric acid…

Q: Observations: Test Tube A B C D E F Carboxylic Acid acetic acid acetic acid butyric acid benzoic…

A: The reaction between a carboxylic acid and an alcohol in the presence of catalytic amount of mineral…

Q: Calculate the pH at 25 °C of a 0.25 M solution of sodium benzoate (NaC H₂CO₂). Note that benzoic…

A: To calculate the pH of a solution containing a weak acid and its conjugate base, we can use the…

Q: For the following reaction, 14.3 grams of chlorine gas are allowed to react with 6.80 grams of…

A: Given,(i)  The reaction:   chlorine (g) + water (l)  hydrochloric acid (aq) + chloric acid ( HClO3…

Q: The following kinetic data was collected for a hexokinase with three different substrates (glucose,…

A: The preferred substrate is the one that has the highest catalytic efficiency.  The formula to find…

Q: A chemist titrates 90.0 mL of a 0.3491M aniline (C6H5NH₂) solution with 0.0636M HBr solution at 25…

A: Information of question

Q: Acrylic fibers are polymers made from a starting material called acrylonitrile, H,C(CH)CN. In…

A: The Lewis diagram of acrylonitrile is:

Q: 8. For the radioactive nuclides in table 7.1, which one has the largest value of the decay constant?…

A: The question it is asked that among the four radioactive atoms which atom have higher value of decay…

Q: Predict whether or not each of the following reactions will occur. Write the balanced chemical…

A: Since you have posted multiple questions with multiple sub parts, we will provide the solution only…

Q: For each solute, click the button under the better solvent. solute :0: || HOC-CH- I OH :0: ||…

A: A question based on solubility. 3 different solutes are given whose appropriate solvents are to be…

Q: Are the Molecular Formulas of Molecule C and D the same or different? (Circle one) Do the Molecules…

A: Constitutional isomers are those isomers having same molecular formula but have different bonding…

Q: Complete part 2 of the question (I already did part 1) as explained in the image.

A: This will be the product of Michael addition in a stork enamine synthesis

Q: An analytical chemist is titrating 157.5 mL of a 0.6800M solution of cyanic acid (HCNO) with a…

A:

Q: A chemist titrates 80.0 mL of a 0.4057M dimethylamine ((CH₂)₂NH) solution with 0.2617M HNO3 Solution…

A: Given,Molarity of dimethyl amine ( CH3)2NH = 0.4057 Mvolume of dimethyl amine = 80.0 mLMolarity of…

Q: H₂C CH3 CH₂ Br₂ CH₂C₂ Br- H₂C CH3 CH3 Br Electrophilic addition of bromine, Br, to alkenes yields a…

A: A  question based on reaction mechanism. A reaction scheme is given whose arrow pushing mechanism is…

Q: PROBLEM. Separate the Schrödinger equation describing the hydrogen atom into three equations: an…

A:

Q: Which of these statements describe the bonding in benzene? [Select all that apply.] There are six…

A: In the valence bond model each of the carbon atoms in benzene is sp2 hybridised and forms s-bonds to…

Q: • Question 5: Draw the products of each Lewis acid-base reaction. Label the electrophile and…

A: According to Lewis acid base principle, an electron pair donor is called a Lewis acid while an…

Q: The lattice energy of MgO is 3890 kJ/mol. The first and the second ionization energies (IE, and IE₂)…

A: The reaction involved is Mgs+12O2g→MgOs The values provided are: Lattice enthalpy of MgO = +3890…

Q: 5. What is the density of carbon dioxide gas at 1.66 atm of pressure and 25.6°C? 6. If 24.6 mL of a…

A:

Q: The amino acid selenocysteine at pH 7 is shown below. Its pk values are pK₁= 2.09, pK₂=9.10, pk,=…

A: Here we are required to draw the chemical equilibrium at each pka value for selenocysteine.

Q: A chemical engineer is studying the following reaction: 4 HCl (9)+0₂(g) → 2 H₂O(g)+2Cl₂(g) At the…

A: The direction in which the reaction proceeds to reach equilibrium can be predicted by determining…

Q: 3. If the reaction below is initially at equilibrium, and then each of the following changes are…

A: Le Chatelier's principle: According to Le Chatelier's principle when a change in concentration…

Q: Draw the structure of the major organic product of the reaction. مله + H3C- -NH₂ • You do not have…

A: The nucleophilic substitution reaction are one in which nucleophile attacks on electrophile which…