Please explain both questions

Q: Question A10 Complete the missing blank in the following question: Rf value is (a) (c) (d) Distance…

A: A question based on analytical processing. 4 options statements about Rf value are given, from which…

Q: 29.Which amino acid is ideal for the transfer of protons within the catalytic site of enzymes due to…

A: Histidine is an amino acid that possesses a unique property in its side chain. At biological pH,…

Q: 2Na+ Cl₂ → 2NaCl How many grams of NaCl are produced from 4.5 grams of Cl₂? O A. 0.75 grams NaCl OB.…

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Q: Chem

A: The pressure equilibrium constant, Kp, is a thermodynamic equilibrium constant that expresses the…

Q: Consider the following data for scandium: atomic mass 44.956 electronegativity electron affinity…

A: For scandium-Atomic mass44.956 gm mol-1Electronegativity 1.36…

Q: At 25C, the partial molar volumes of ethanol and water in a mixture 12 per cent by mass ethanol are…

A: We must take into account the separate volumes of ethanol and water as well as their relative masses…

Q: What is the freezing point of a 0.90 m aqueous solution of potassium hydroxide? 1) 269.8 Kelvin 2)…

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Q: Label the components of a hydrogen-oxygen fuel cell. 2H+ + 2e™ 2e 2H+- + 1½/20₂ + 2H+ + 2e Answer…

A: A fuel cell is device which converts chemical energy into electrical energy. Here given fuel cell is…

Q: Calculate the molar solubility of CaCO3, Ksp 8.7×10 ⁹.

A: When sparingly soluble salt is dissolve in water most of the salt remain undissolved in the…

Q: In a calorimeter, a 2.0 g sample of magnesium is burned to form MgO. In doing so, 25.5 kJ of energy…

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Q: Tabulate advantages and limitations of microwave-induced combustion over microwave assisted acid…

A: Advantages of MICAdvantages of MAAD1. Efficiency and speed: MIC is typically faster than MAAD,…

Q: The normal freezing point of ethanol (CH3CH₂OH) is -117.30 °C and its Kip value is 1.99 °C/m. A…

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Q: A cylinder filled with CO₂ is often used to carbonate fizzy drinks. After some use, th pressure of…

A:

Q: Interpret the IR spectrum below of Indole-3-carboxaldehyde

A: A question based on IR spectroscopy of organic compounds. An IR spectrum of indole-3-carboxaldehyde…

Q: Provide EZ designations for the following structures. If E,Z designation does not apply then write…

A: If the highest priority are on the same side of alkene then we called it as Z and if they are on…

Q: b) C a) O 08 [30:]-[::]—80°+;

A: a).One atom contributes both of the electrons in a coordinate covalent link, sometimes referred to…

Q: Phosgene, COCI₂, is a highly toxic gas that is heavier than air. It can be produced by reacting…

A: We have to determine the rate law equation for the reaction and the rate constant

Q: Write the reactions and reactants benzoic acid chloride to benzoic anhydride benzoic anhydride to…

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Q: 6. a) 25.0 mL of 0.50 mol/L hydroiodic acid (HI) is titrated with 0.50 mol/L pyridine,C,H,N.…

A: Introduction

Q: Which substance is not readily oxidized by acidified potassium A. propan-1-ol propan-2-ol propanal…

A: -> potassium dicromate  can oxidize 1° alcohol to Carboxylic acid.-> potassium dicromate can…

Q: The first step in the reaction of Alka-Seltzer with stomach acid consists of one mole of sodium…

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Q: Calculate concentration of hydronium ion, hydroxide ion, and pH at 25 oC in:   (a) 0.15 M HNO 3,…

A: Hydronium ion concentration: Concentration  of H+ ions present in the solutionHydroxide ion…

Q: OH NO₂ 1 CH NO₂ 2

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Q: The Haber process is used to synthesize ammonia (NH3) on a large scale by the reaction of nitrogen…

A: Volume of nitrogen gas = 1.93 LVolume of hydrogen gas = 19.1 LTemperature = 284 KPressure = 1 bar

Q: Write the two pertinent balanced reactions (standardization and sample analysis) 2. Calculate the…

A: Standardization Reaction:5Na2C2O4 + 2KMnO4 + 8H2SO4 → 2MnSO4 + 10CO2 + 5Na2SO4 + K2SO4 + 8H2OSample…

Q: 750 mL of buffer with pH 4.50 needs to be prepared. Solid sodium acetate (CH3COONa) and glacial…

A: Henderson-Hasselbach equation. this equation shows the relationship between pH of a solution, the…

Q: 5. The initial concentration of morphine, CHNO, in a solution is 3.6 x 10³ mol/L. The pOH of the…

A: 5.The initial concentration of morphine is C = 3.6×10-3 M.The pOH of the solution is 4.53.We have to…

Q: Identify the major product in the following reaction sequence. Br₂ / light DBN NBS HBr peroxide…

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Q: What is the correct statement that links acidity to anion stability? A = CH3 CH2 O H B = CH3 CH2…

A: The following is a true statement about how acidity and anion stability are related:In general, the…

Q: Aqueous Pb(ClO3)2 and aqueous Nal are mixed together. What mass of precipitate, in grams, will form…

A: The question is based on the concept of reaction stoichiometry.we need to calculate mass of…

Q: Consider the following equilibrium: 2NH₂ (g) N₂(g) + 3H₂(g) AG = 34. kJ Now suppose a reaction…

A: Given reaction is the formation reaction of Ammonia and we have to find out the direction of…

Q: Vapor pressure (mm Hg) 900 800 700 600 500 400 300 200 100 Carbon disulfide 0 10 20 30 40 °C Methano…

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Q: Cysteine is a non-essential amino acid important for making protein, and for other metabolic…

A: Cysteine is a non essential amino acid having many useful biological applications. It is having…

Q: Choose the most acidic hydrogen in each of the following molecules: Н H Н. н Н Н н н н н 0= H

A: The lower the pKa the higher the acidity of the proton. The pKa values of some hydrogen atoms are…

Q: Determine if the following salt is neutral, acidic or basic. If acidic or basic, write the…

A: Acid salt : An acid salt is formed when a strong acid is combined with a weak base. The pH of an…

Q: Shoifuton stulib vito gostmenop isaillent elle SECTION 4: APPLICATION 7. Bones and teeth consist…

A: An acid will donate hydrogen ions and a base will donate hydroxide ions in the solution. It can be…

Q: 2) Predict the splitting pattern for the one hydrogen attached to carbon-3 (C3) in the following…

A: NMR spectroscopy It will be split into N + 1 peaks where N = number of hydrogens on the adjacent…

Q: If you start with 5 grams of lithium chloride (LiCl = 42.4 grams/mol), how many grams of calcium…

A: Number of moles is calculated by dividing given mass with molecular mass. In the given question it…

Q: 19. The correct number of different proton environments in the following compounds is (a, b, c, d):…

A: Find several proton habitats: Look for distinct proton environments in the compound's structure. The…

Q: How would you categorize a solution that has a concentration of hyc O acid O a salt O basic O…

A: A solution isAcidic if pH<7Basic if pH>7Neutral if pH=7& pH + pOH = 14pH =  -log[H+]pOH =…

Q: Calculate the ΔG for the vaporisation of mercury at 24oC using ΔH = 61.0 kJ mol -1and ΔS = 89.0 J…

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Q: 6.2 g of an ionic compound is dissolved in a coffee-cup calorimeter containing 100.0 g of water at…

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Q: 21.Acetic acid has a pKa of 4.8. How many milliliters of 0.2 M acetic acid and 0.1 sodium acetate…

A: To determine the correct answer, we need to use the Henderson-Hasselbalch equation, which relates…

Q: Choose the factor that best explains the increased stability of the first structure's conjugate…

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Q: What is the dihedral (torsion) angle between the two bromine atoms in the wedge-and-dash drawing…

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Q: Classify the ionic compounds as soluble or insoluble. (a) zinc chloride Solubble (b) chromium(III)…

A: Based on general solubility rules, we can classify the following ionic compounds as soluble or…

Q: What products are formed as a result of the following reaction

A: A question based on reactions of aromatic compounds. 4 options are given from which the most…

Q: 10 Thu €13 c13dec 5 13C NMR (red coupled, blue decoupled) 200 8 (ppm) 100 8 (ppm) dable 60 IR…

A: The 1H spectrum of the molecule with MW weight =148The chemical shifts are given as1.9ppm doublet,…

Q: 9. The structure of primary alcohol can be differentiated from other structures in the MS by: (a)…

A: The right solution to the inquiry is (d) MacLafferty reworking.In mass spectrometry (MS), separating…

Q: Explain the reaction below and find a catalytic way to synthesize final product in good yield by…

A: Aldol condensation is the condensation between two carbonyl compounds to give a β-hydroxy carbonyl…