When determining water by the K method. Fisher's end point of titration is determined by Choose one answer: O a. on discoloration of the reaction mixture O b. amperometric O c. using an external indicator O d. using an internal indicator

Q: 1. Which of the following amino acids is used in protein synthesis? H2N-CH-C-OH (a)…

A:

Q: Be sure to answer all parts. Teflon is formed by a radical addition reaction. Fill in the blanks in…

A:

Q: Which of the following reactions is associated with an increase in entropy?   a) 2H2O2(l) → 2H2O(l)…

A: Given,  a) 2H2O2(l) → 2H2O(l) + O2(g)   b) Cl2(g) →Cl2(l)   c) CH3COOH(l ) →…

Q: Give a clear explanation handwritten answer..

A: BrO3->BiO+>H2O2>Na+>O2

Q: Give clear handwritten solution!...

A:

Q: Identify the following amino acid and specify its configuration: D or L and R or S. ball & stick v…

A: The amino acid is Histidine. The configuration is D (NH2 group at right side). The configuration is…

Q: solution was prepared by dissolving 413 mg of  K3Fe(CN)6 (329.2 g/mol) in sufficient water to give…

A: The solution of the given question is

Q: Give equations for reactions for the hydrolysis under both conditions, and state the likely…

A: Cocaine contains two ester functional groups.  Ester can undergo hydrolysis to form an acid and…

Q: b. Provide mechanisms and/or products for the following transformations. Pd°Ln, Cul, PhBr 1. HBpin,…

A: 1. 1-Hexyne reacts with HBpin produces borate. This is used in Suzuki coupling ( see below). 2.…

Q: Balance the following redox reactions occurring in basic aqueous solution.  Identify the species…

A:

Q: NH2 a) b) COOH H3C. с) H3C NH2 HN

A:

Q: Compare the ligand field strengths of CO and Cl, in terms of the types of bonds in which they can be…

A: CO is Sigma donor and pi acceptor ligand while Cl is only Sigma donor ligand .thus there type of…

Q: Chemistry. In the subject of " Order of Reaction ". Differentiate zero, first, and second-order…

A:

Q: (d) Using A, design a two-step synthesis of B that makes use of a pericyclic reaction. Your answer…

A:

Q: Which of the following statements concerning ground state electron configurations is/are CORRECT?

A:

Q: Complete the following statements: At constant volume and number of moles, the pressure of an ideal…

A: The ideal gas equation is: PV = nRT ......(1) Here, P is pressure, V is volume, n is the number of…

Q: Calculate the amount in grams of solid K2CrO4 to make 100ml of a0.2 M aqueous solution of K2CrO4.

A: Answer: In this question with the help of given concentration value we will calculate the number of…

Q: Options: greater than, less than, same as, nitrogen atom, chlorine atom, less space than, more space…

A:

Q: 8. (a) Compare between Electron ionization (EI) and Chemical ionization methods.

A:

Q: 2. Identify chiral center(s) and assign configuration (R or S) of each one in the compound halomon.…

A: 2.If an atom is bonded to four different atoms/groups in such a way that it has a non superimposable…

Q: ठणेलले बो नी चंhेe Cजर्कैवतेल्लनामड वोगल्ते बbম्मने वट उोबिनीपट वटोवै काते शजनहमार नि Pवार की वततळ…

A: I am writing only  all the correct answers in step-2.

Q: 3. In which of the following pairs of symbols the number of neutrons is the same? 66Zn and 64Zn 66Zn…

A:

Q: ने ड.न० तोा oरी कबबक डि अकलबकदल it25.00 me vimegुa ड अकनबनटल to नमह एदपांपवोलत्e Paोकर्व पयंने…

A:

Q: Which of the following reactions shows a decrease in entropy?   a) 2H2O2(l) → 2H2O(l) + O2(g)   b)…

A: Entropy is the measure of randomness or disorder of the system.

Q: Calculate the molality of a solution that contains 56.5 g of benzoic acid, C6H5COOH, in 350 mL of…

A: Mass of benzoic acid = 56.5 g  Volume of ethanol = 350 ml  Density of ethanol = 0.789 g/ml  Molality…

Q: Provide the appropriate reagents or product in the following examples. OMe 2. 1.OsO, TBHP, H,O/THF…

A: 1. a.Heck reaction. b. Simmon Smith reaction. 2. a. Osmylation. b. Acetonide protection. C. Fridel…

Q: template of a Venn diagram representing common and differentiating characteristics of covalent and…

A:

Q: In a first order reaction the half life is 10 minutes. Determine the rate constant. How long does it…

A:

Q: Morphine-6-glucuronide is one intermediate in the metabolism of morphine in the human body. It has…

A: An atom or group of atoms that replaces hydrogen in an organic compound and that defines the…

Q: A pool of substances has the following normal boiling points (°C) : -1, 56 and 97. Identify the…

A: There are different type of compounds which have different structures according to arrangement of…

Q: Answer the following questions and explain your answer in each case. A certain substance A has a…

A:

Q: Find the acid,base abs the conjugate base and acid 1.HNO3+H20—>H3O+ +NO3- 2.NH4+ +H20—->NH3+H3O+…

A: Answer: According to Bronsted-Lowry theory of acid and base, any compound that gives out H+ ion is…

Q: 2. Consider the following reactions: Си + 8HNO3 3Cu(N03)2 + NO + 4H20 How many moles of NO are…

A:

Q: a. R = k[A][B] b. R = k[A]³[B] c. R = k[A][B]² d. R = k[A]³[B]?

A:

Q: Blood urea nitrogen (BUN) is a normal blood test that indicate  how well the kidneys and liver are…

A:

Q: The rate constant of a chemical reaction is found to double when the temperature is raised from 25…

A: According to question statement :  let initial rate constant (k1) = 1   ...& final rate constant…

Q: 20.00 mL of 0.0750 M benzoic acid ( C6H5COOH) is titrated with 0.0250 M NaOH. Ka benzoic acid = 6.5…

A: Given,  [C6H5COOH] = 0.0750 M  Volume of C6H5COOH in mL = 20.00 mL  [NaOH] = 0.0250 M  Acid…

Q: Which enantiomer of proline would favor the S enantiomer of product? Which one would favor the R…

A: proline is an organic compound which have a five membered ring, with a COOH group attached to it.…

Q: Which of the following statements best describe the entropy change of this reaction CO(g) + H2O(g) →…

A:

Q: The value of ΔH° for the reaction below is -336 kJ.  Calculate the heat (kJ) released to the…

A:

Q: Which statement would be TRUE in the case of substitution reaction of (R)-3-bromo-3- methylhexane…

A: Here we have to predict the true statement regarding the following reactions

Q: 1. What is the PH for a solution that has a volume of 2.50L and contains 5.33 grams of HCL? 2.…

A:

Q: What is the best way to perform the following transformation ? Br- NH2 ?

A:

Q: State: Boyle's law Charles law Avogadros law Henrys law Gay lussacs law Ideal gas law

A: Given law are :  a). Boyle's law b). Charles law c). Avogadro's law d). Henry's law e). Gay lussacs…

Q: Assume you dissolve 45.0 g of camphor, C10H16O, in 425 mL of ethanol, C2H5OH. Calculate the…

A:

Q: 5.50 g of As, O, are titrated with 35.5 mL of KMNO, to reach the end point. 5 As, O, (s) + 4 MnO,…

A:

Q: CI Br CI CI Br

A:

Q: Which of the following compounds will undergo an S,2 reaction most readily? Select one: O a.…

A: 1. Primary alkyl halides more reactive than secondary and tertiary. Compound d is primary alkyl…

Q: 4. Propose a sequence of reactions that efficiently converts the given starting material(s) to the…

A: Note : Aldol condensation between benzaldehyde and nitro methane. Cyclobutadiene is converted into…

Q: B. A sample of penguinium (m=24.5 grams) is exposed to 133 joules and its temperature rises from 12C…

A: The specific heat capacity of a substance is given as the amount of heat that is required to…