Calculate the pH of a buffer solution prepared by mixing 25 mL of 0.5 M lactic acid and 75 mL of 1.0 M sodium lactate. Ka 1.38 x 10⁻⁴

Q: Show the 3-membered ring pathway for the given reactions below. a. cyclohexene + Cl2 b. 1-propene ...

A: When alkene reacts with halogens like Cl2, Br2  etc.. Reaction undergoes via a 3 membered cyclic rin...

Q: Draw the name and constitutional isomers for the compound with molecular formula of a)C6H12O b) C4H7...

A: Constitutional isomer has the same molecular formula but differ in the connectivity of atoms. 

Q: Calculate the pH of a solution with an H+concentration of 5.6 x 10 ^-6 M and state if the solution i...

A: We are given : H+ concentration = [ H3O+ ]  = 5.6 × 10 -6 M  

Q: the general molecular formula for a cyclic alkene must be CnH2n False O true

A:

Q: 4) What is the best choice of reagent(s) to perform the following transformation? CH3 CH3 CH3 H +En ...

A:

Q: Present the concerted pathway of the reaction below. (2E)-hex-2-ene + H2 and Pt

A:  

Q: Sample 1 Sample 2 Unknown CaCl2 solution code (if any) 2 1. Unknown Code = 2. Volume of 0.100 M Na3P...

A: Given :-    ----------------------------

Q: hemical bonds is true? a. It is an electrostatic attraction that holds two atoms together. b. It in...

A:

Q: Using the standard enthalpies of formation, what is the standard enthalpy of reaction? CO(g) + H,O(g...

A: CO(g) + H2O(g) ---> CO2(g) + H2(g) The values of standard enthalpy of formation not given in ques...

Q: Balance the following Redox Reaction. Always include the state of each species: (s), (l), (g), or (a...

A:

Q: 3. There are several methods for preparing alkenes. A Wittig reagent was used in this experiment. Tr...

A:

Q: 2. Write the auto-protolysis reactions of the following substances а. Н2О. b. CH3COOH. С. CH3CH2NH2 ...

A:

Q: In the preparation of 60 mL Magnesium citrate in the laboratory, you are required to: calculate for ...

A: Given: Mass of magnesium carbonate used = 2.57 g. Moles of magnesium carbonate reacting = MassMolar ...

Q: 10. The Handbook of Chemistry and Physics gives solubilities of the following compounds in grams per...

A: Solubility product is the product of solubilities of component ions .  

Q: Calculate the AH for the reaction NO(g)+ 0(g) → NO2(g) given the following information NO(g) + O3(g)...

A: The change in enthalpy ( ΔH ) of a reaction can be found out using Hess's law of heat summation.  He...

Q: If a system has 5.00×102 kcal5.00×102 kcal of work done to it, and releases 5.00×102 kJ5.00×102 kJ o...

A: Given Data : Work done (w) = 5.00 × 102 kcal heat (q) = 5.00 × 102 kJ  

Q: In the following net ionic equation, identify each reactant as either a Bronsted-Lowry acid or a Bro...

A: We have find out proton donors and acceptors. 

Q: How many unpaired electrons does an excited atom of carbon have? 5 How many unpaired electrons does ...

A: Answer: These questions are based on the general understanding of electronic configuration of carbon...

Q: What is the formula for manganese (V) hydroxide? Hint: for CO2, write CO_2

A:

Q: Give the extended, condensed, and bond line structural formula, and the type of aliphatic hydrocarbo...

A: -> 2-ethyl-1,1,4,4-tetramethylcyclohexane ->trans-5-ethyl-2-heptene ->2,4-difluoro-5-methyl...

Q: A hypothetical metal has a theoretical density of 12.44 g/cmº. This metal adopts a cubic crystal str...

A:

Q: why are ionic solutions not ideal even at very low concentrations?

A: Ideal solution always obey Raoult's law at any temperature and concentration.

Q: Consider the reaction: ACcast 2B(9) ABa(g) * Ceg) AH =+56.9K) ABa (9) * Ceg) AH = +56.9K) The System...

A:

Q: write a 250 word/essay or reflection about the topic chemical kinetics

A: Chemical kinetics is a chapter that deals with the kinetics of the chemical reactions .  

Q: A student carres out the equilibrium constant experiment for the formation of FeSCN" (ag) using iron...

A: The slope of the beer's plot is greater than it should been, resulting in smaller Kc values calculat...

Q: write the correct IOPAC name of each of the given organic compound 1. CH;CH:CH:CH;CH;CH2OH 2. CH;CH2...

A:

Q: (a) Find the equilibrium constant for following acid dissociation reaction at 25°C. Start your answe...

A:

Q: The following compounds undergo sigmatropic rearrangements. Outline a mechanism for each of the foll...

A:

Q: A target analyte A has a pk, value of 7.00 while the interferent B has a pKa value of 2.00. A mixtur...

A: Since you have asked multiple questions, we will solve the first one for you. For remaining question...

Q: Mobility of H+ ions is 7.0 times greater than the mobility of Na+ ions, which have the mobility of 5...

A:

Q: Benzoic acid, C,H,COOH, is a weak acid with K, = 6.3 × 10-5. CH,CO,H(aq) + H,O(1) =H;O*(aq) + C,H;CO...

A: The acid dissociation constant for the benzoic acid is = 6.3×10-5 The concentration of the benzoic a...

Q: Some hypothetical metal has simple cubic crystal structure. If its atomic weight is 77.78 g/mol and ...

A:

Q: P-+Si 28 28 15

A:

Q: O YouTube Maps Classes A student dissolved 20.0g of an unknown nonelectrolyte solute in 250 mL of be...

A: Molality can be defined as the number of moles of solute dissolved per kilogram of solvent present i...

Q: Identify whether each species functions as a Brønsted-Lowry acid or a Brønsted-Lowry base in this ne...

A:

Q: How many atoms of Cl are there in 17.34 μg of CaCl2?

A:

Q: How many grams of X would be formed if 35.86 grams of R react according to the balanced chemical equ...

A:

Q: 5. Predict the product for the following reaction and explain, in as much detail as possible, why yo...

A: We have to predict the product of the reaction.  

Q: Give practical applications of chemical kinetics-related concepts in real life.

A: Ans. Examples of chemical kinetics in everyday life include digestion, photosynthesis, fermentation,...

Q: Br,(g)= 2Br(g) the equilibrium constant, K, is 1.10 x 103 concentrations of Br if the initial and eq...

A:

Q: MULTIPLE CHOICE ONLY 1-5

A: Acid- Base reaction is a type of chemical reaction that involves the exchange of one or more H+  ion...

Q: Provide the product structure of crossed Adol condensation reaction between cyclohexane and p-anisal...

A: NOTE: It will be between cyclohexanone and p-anisaldehyde and not cyclohexane and p-anisaldehyde. He...

Q: Which of the following is TRUE about the factors affecting solubility? Select the correct response O...

A: Since you have posted multiple questions, we will answer the first one for you. Kindly post the othe...

Q: What is the pH of a 0.150 M aqueous solution of Magnesium hydroxide (Mg(OH)₂)?

A: Concentration of magnesium hydroxide = 0.150 M  pH of the solution = ? 

Q: please write the functional group and IUPAC name. you can see example on the pic

A:

Q: Give the safety measures when working with the following lab equipment during experiments and conduc...

A: Saftey precautions  are necessary  for saftey of all the stake holders working there.

Q: Br

A: IUPAC NOMENCLATURE RULES : 

Q: Mark and John, two vinegar enthusiasts, are each tasked to determine the acetic acid content of thei...

A: Given: mass of KHP = 0.540 g Volume of KHP stock solution = 10.0 mL Volume of diluted KHP solution =...

Q: Determine the Atomic Packing Factor (APF) of a base-centered tetragonal crystal structure shown belo...

A:

Q: How much heat energy does 50.0 grams of water absorb if it’s temperature goes from 22.0 Celsius to 2...

A: Answer: Given data Mass of water m=50.0g Rise in temperature of water ∆T=(25.3-22)°C∆T=3.3°C

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.