Alanine, abbreviated HAla, is an amino acid in protein. If 21.05 mL of 0.145 M NaOH neutralizes 0.272 g HAla, what is the molar mass of the amino acid? HAla (aq) + NaOH (aq) --> NaAla (aq) + H2O (l)

Q: A student conducted an experiment to determine the Ksp of Ca(OH)2 at T = 298 K. The value he…

A: Solubility product(Ksp) is the equilibrium constant for a solid substance dissolving in an aqueous…

Q: Draw simple atomic energy level diagrams showing the following processes: Atomic Absorption Atomic…

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Q: Image belo Culacac)2 Compound. Use It answer the questions. Recall that the spin-orbit coupling (2)…

A: As per the guideline, since you have asked multiple question, we have solved the first question for…

Q: In this Chemical equation  Pb(NO3)2 (aq) + 2KI(aq) —> PbI2(s) + 2KNO3 (aq) with an ON of +2 +5-2…

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Q: When 22.0 mL of a 3.58× 104M ammonium chloride solution is combined with 25.0 mL of a 9.20x104 M…

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Q: The chemical environment of protons can be deduced from their chemical shifts. What are the relative…

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Q: Which of the following statements are correct? More than one answer is possible. (Select all that…

A: below answer is given

Q: Outline a synthesis of acetylcholine iodide using dimethylamine, oxirane, iodomethane, and acetyl…

A: Oxiranes are potential intermediate for the synthesis of variety of functional groups. Oxiranes /…

Q: Please determine the ksp for  Cu(OH)2. The pH for the solution is 5.25 and write out chemical…

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Q: A 16.2 g sample of a gas occupies 1.80 L at 756 torr and 25.0 °C. a) What is the formula mass of…

A: Given :-  Mass of sample of gas = 16.2 g  Volume = 1.80 L  Pressure = 756 torr  Temperature = 25.0°C…

Q: Write the precipitation reaction for potassium sulfide in aqueous solution: Be sure to specify the…

A: Solubility is the ability of a substance, the solute, to form a solution with another substance.

Q: Write a balanced chemical equation based on the following description: Gaseous C5 H4 reacts with…

A: Combustion :- The process of burning a compound in excess of air or oxygen is known as combustion…

Q: Give the 3 Factors that contribute to crystal formation:

A: Crystal consists of matter that is formed from an ordered arrangement of different types of atoms ,…

Q: 3. Complete the following reactions а. CH3 CH3-CH-CH-CH2-CH3 H2SO4 180°C ОН b. CH3 CH3 H2SO4…

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Q: 1.In the properties of a system listed below, which one is not state function A U B S С Р D Q

A: State functions in thermodynamics, depend on only initial and finals position and not depend on the…

Q: Copper commonly occurs as the sulfide mineral CuS. The first step in extracting copper from CuS is…

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Q: 5. True or False?" The rate of an SN1 reaction of a secondary halide stays the same when you triple…

A: Given statements are :  a). The rate of an SN1 reaction of s secondary halide stays the same when…

Q: Molten ScCl3 can be electrolyzed to form metallic Sc. For what duration should an electrolysis be…

A: 1.) First we calculate moles of SC using mass and molar mass.  2.) Then we write a balanced chemical…

Q: oxidation number

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Q: Principle: lodometry The percentage purity of cupric sulfate set by the NF is 98.5 to 100.5%…

A: Given: Concentration of sodium thiosulfate = 0.1 N

Q: Arrange the following 0.01 M substances in order of increasing pH. HNO3: pKa = -1.38 HNO2: pKa =…

A: Given data HNO3:  pKa= -1.38 HNO2:pKa = 3.14 HClO: pKa = 3.18 NH3: pKb = 4.74 CH3NH3: pKb = 3.36…

Q: Three common compounds used in "ice melt" are magnesium chloride, calcium chloride and sodium…

A: #(a): Solubility(S) is calculated as the moles of solute per L of the solution.  Given 37.45 g CaCl2…

Q: The following are the reasons why instrumental analysis methods are used, except for:   a. Narrow…

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Q: A solution of CaCl, in water forms a mixture that is 32.5% calcium chloride by mass. If the total…

A: Mass percent :- The mass of a component in grams present in 100 grams of a mixture is defined as…

Q: Draw a phase diagram for water. Label the axes, the states of matter, the triple point and the…

A: Phase diagram of water is given by,

Q: A buffer solution is prepared by combining equal volumes of solutions of 0.2 M NaH2PO4 and 0.2 M…

A: Given that, Buffer solution of 0.2M NaH2PO4 and 0.2M K2HPO4 and the pH is 6.87  Small amount of NaOH…

Q: One or more of the monomers below are needed to make the polymer CN CN CN CHCH,CHCH,CHCH,- Choose…

A: The monomer which forms the given polymer = ?

Q: In the glass electrode used for pH measurement, what substance is connected to the external circuit?…

A: Glass electrode is an ion selective electrode and it is formed by a doped glass membrane. The glass…

Q: 2 If the temperature of an ideal gas is raised from 100°C to 200 C, while the pressure remains…

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

Q: Calculate AG° for the electrochemical cell Fe(s) I Fe²*(aq) |I Snª*(aq) | Sn²"(aq) I Pt(s). 4+…

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Q: The arsenic in a 1.223-g sample of a pesticide was converted to H3AsO4 by suitable treatment. The…

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Q: 3. These equilibrium constant are measured in the reaction below at 300 K: [Cu') = 0.148 M, [Sn]=…

A: Given, Temperature, T = 300K       [Cu+]eq=0.148M [Sn2+]eq = 0.124M [Sn4+]eq= 0.176M [Cu2+] = ? And…

Q: following reaction is the only that occurs, will the Cu react completely? Cu(s) + HNO,(aq)<→…

A: According to the given chemical reaction,   1 mole Cu react with 1 mole of HNO3…

Q: Give five (5) different sources of alkanes

A: Sources of alkane:

Q: The local weather forecaster reports that the current barometric pressure is 29.4 inches of mercury.…

A: Given : pressure = 29.4 inHg  To convert : given pressure in atm

Q: If E°cell for a redox reaction is negative, which of the following statements must be true? 1. AG°…

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

Q: е. OCH3 1) PBR3 Ho 2) КОС(СНз)з 3) mСРВА f.

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Q: Ме Ме Ме (i). Si. Br, Et3N CI Ме (ii). BuzSnH, AIBN (trace) НО (i). Н2О2, KF, DMF HO НО (i). NOCI…

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Q: Explain why order of operations in this synthesis is important. What product would you form instead…

A: HNO3, H2SO4 is nitrating mixture (adds -NO2 on benzene)  Br2, FeBr3 (adds -Br atom on benzene ring)…

Q: What are the products for photosynthesis, cellular respiration and hydrocarbon combustion and how…

A: In photosynthesis, plants uses sunlight , carbon dioxide and water to produce glucose and oxygen.…

Q: 2) Consider a solution made with a hypothetical weak acid, HX2-(ag), in water. Write out the…

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Q: E 10.0 pH D 5.0 В A 1 What type of titration does this curve represent? a) weak acid (monoprotic) by…

A: #(a): We are given the titration curve for an unknown acid-base combination. The initial pH of an…

Q: Provide the name of the following molecule. CHO

A: The aldehyde functional group is -CHO.

Q: What is the IUPAC name for the following

A: In this question we have to tell the IUPAC name of the compound.

Q: 4. Predict the effect of adding more H,(g) to a constant-volume equilibrium mixture of N, H, and…

A: Given unbalanced reaction is :  N2 (g) + H2 (g) &lt;--------&gt; NH3 (g)  Predict the effect of…

Q: How many milliliters of water are present in 250.0 mL of a 15.0% by volume aqueous hydrochloric acid…

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Q: What is E°cel| for the following balanced redox reaction in basic solution? 3 Ni(s) + 103 + 3 H20 3…

A: here we are to find the cell potential and gibbs free energy for the given cell reaction

Q: nydride combines ith water according to the equation: aH,(6) + 2H,O() → 2H,(g) + Ca(OH),(s)…

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Q: We first set the spectrometer to an appropriate wavelength before we use it to measure intensity of…

A: To explain why it is necessary to set the spectrometer to an appropriate wavelength before measuring…

Q: Two coordination sphere isomers for MnCl3(CN)3

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Precipitation Titration

Precipitation analysis is used to analyze drugs, and to measure the salt content in food and beverages. It is an important concept from the examination point of view many practical questions are asked on the topic. This topic is significant in the professional exams for both undergraduate and graduate courses, especially for