Uses a lamp and a flame for determining the concentrations of metal ions in solutions. a. High performance liquid chromatography b. gas chromatography c. mass spectrometry d. infrared spectroscopy e. UV/VIS spectroscopy f. atomic absorption spectroscopy g. thin layer chromatography

Q: Chlorine is added to drinking water to kill bacteria, some chlorine is converted to chloride ions by…

A: Oxidation is the process of loss of electrons and reduction is process of gain of electrons

Q: Calculate the pH of a solution prepared by mixing 20.00 mL of the 0.140 M benzoic acid solution…

A: Given,  The molarity of benzoic acid = 0.140 M The volume of benzoic acid = 20.00 mL The molarity of…

Q: white reagents for each. +CH CH3 CH 3 ↑ Br Sun Br CH3 CHS

A: Organic reactions proceed by the rearrangement or in the presence of specific reagents. If…

Q: 1. 2. NH3-NH3 3. Na₂S-Na₂S 4. HF-HF 5. MgS-MgS 6. CH3OH- -CH3OH 7. H₂-H₂ 8. CuO CuO 9. SbH3-SbH3 10.…

A: The physical characteristics of molecules, including as their melting and boiling points, density,…

Q: a) 30 wt.% Ge alloy is slowly cooled from 600°C at what temperature does the first solid phase is…

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Q: Molar mass of a volatile liquid In Molar mass of a volatile liquid experiment, a student collected…

A: R = 0.0821 L.atm/mol.K P = 689 torr V = 400 mL = 0.400 L T = 85 oC Mass of Dry flask + foil cap =…

Q: 30. There is another approach to predicting the stereochemistry of electrocyclic ring closures. One…

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Q: Compound A: C5H12O Vmax ¹H NMR 13C NMR Compound B: C6H11 NO Vmax ¹H NMR 3330s, 2950s cm-1 8 0.95…

A: Please find the attachment.

Q: Assign R/S for carbon 15. Attachments но. A. R B. S ОН ОН 15 Н |||** Н О ОН

A: The configuration of the carbon-15 will be assigned using the Cahn-Ingold-Prelog rule.

Q: Discuss an example of a case where you used the scientific method to solve a real-life issue.

A: The scientific method is a systematic way of studying a problem. The use of this method is not…

Q: using dimensional analysis, how many pints there are in exactly 37 gallons. 1 gallon = 4 quarts 1…

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Q: The piston in a car engine compresses a mixture of gasoline vapour and air from 700 mL to 100 mL…

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Q: Barium oxide (BaO) crystallizes in a structure in w are in a face-centered cubic lattice and the…

A: Unit cell is the smallest repeating unit cell in space lattice which when repeated over and over…

Q: When you react 3.9267 grams of Na2CO3 · nH2O with excess HCl(aq), 0.6039 grams of a gas is given…

A: Here we are required to find the number of water molecule attached to Sodium carbonate

Q: convert 1.60 x 104 mL to quarts (qt) using dimensional analysis.

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Q: (e) lowest boiling point OCH3CHCHCH3 OCH3CH₂CH3 OCH₂CH₂ Since this molecule is ---Select--- and (f)…

A: Answer: Physical properties of a substance depends on the intermolecular attraction forces between…

Q: Which sample contains the largest number of chlorine atoms? 10.00g of copper (II) chloride 10.00g…

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Q: (a) What mass of Na₂38SO4 has an activity of 11.7 mCi? Sulfur-38 has an atomic mass of 38.0 and a…

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Q: Calculate the time required for a constant current of 0.951 A to deposit 0.205 g of Co(II) in the…

A: (a) . Suppose a half cell reaction is : Co2+ + 2 e-  ↔ Cos To calculate the time required for a…

Q: A 1.00 L sample of cooking gas taken from a cylinder was collected. Its mass, measured at 27.0° C…

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Q: llustrate the structures of simple cubic (SC), body centered-cubic (BCC) and face entered-cubic…

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Q: Nitrogen fixation is an essential process to ensure the uptake of the essential element nitrogen and…

A: In the given question we have an incomplete reaction of the production of nitrogen from the nitrates…

Q: 4 litres of water obtained from a borewell in Vellore contains FeSO4 = 30.4 mg; CaSO4 = 13.6 mg;…

A: Introduction Temporary Hardness of water - Water becomes momentarily hard due to the presence of…

Q: Provide the correct IUPAC name for the skeletal (line- bond) structure shown here.

A: Rule of IUPAC-1) Longest chain as parent chain.2) Numbering start from those side where more prior…

Q: A certain solid substance that is very hard, has a high melting point, and is nonconducting unless…

A: •Here given that:- 1)substance is very hard 2)has a high melting point 3)non-conducting unless…

Q: illustrate ALL the chair conformations of the ff and explain which are the most stable 1. 2.…

A: The chair conformation is the one of the most stable conformation of the cyclohexane it consist of…

Q: what are the reagents to carry out this multi-step reaction and what are their inetermediates?…

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Q: In the determination of Pb in a contaminated fishmeal, 5.08 g of sample was weighed. Digestion with…

A: Here we are required  to  find  the concentration of Pb in the sample in ug/kg and the % of Pb in…

Q: 26. Complete Table 6. i) Copy and paste (insert) the correct alternative of the structures below…

A: We can determine the number of expected peaks in the 1H and 13C spectra by closely observing the…

Q: Calculate the concentration of the EDTA solution, please show working out.

A: mass of Zn metal taken = 1.0 g  mole of Zn metal = mass molar mass = 1.0 g65.39 g / mole= 0.0153…

Q: Two previously undeformed cylindrical specimens of an alloy are to be strain hardened by reducing…

A: Given  One Specimen  The initial radii( r0) = 17mm Deformed radii ( rd) = 11 mm Second Specimen…

Q: electrons needed to balance the half reaction? NO3- (aq) + H+ (aq)  →  NH4+ (g)  +  3H2O (l)…

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Q: H. T H H H H H H mary (17), secondary (27), or Tertiary (3"). Answer Bank 3

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Q: D of What is the effect on a solution when the temperature of the solution is increased? Select one:…

A: Please find the attachment.

Q: Draw the most stable structure (tautomer or resonance structure) for the compound below. Using the…

A: First, we have to draw all the possible resonance structures of the given molecule.

Q: 1.0 mol/L SHCI, (ng) Identify the following components on the above diagram Direction of cation flow…

A: As per the rules, only the first three sub-parts can be answered.

Q: The ionization constant of acetic acid (0.05 M) is 1.74x105. Answer 2 and 3 questions: (2) Calculate…

A: Given , Concentration of acetic acid (CH3COOH ) = 0.05 M Ionisation constant =1.74×10-5

Q: hemistry 1-bromo-1-methylcyclopropane + H2O → 1-methyl cyclopropane + HBr   bromocyclopropane + H2O…

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Q: Spectrum No.1 The infrared spectrum has no interesting features except aliphatic C-H stretching and…

A: "Since you have asked multiple questions, we will solve the first question for you as per Bartleby…

Q: Name the water purified above separating technique

A: WATER PURIFICATION The process of purifying water involves taking out unwanted chemicals, biological…

Q: Determine the molecular formula and possible structures for the unknown based on the spectra given.…

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Q: Many elements have been synthesized by bombarding relatively heavy atoms with high-energy particles…

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Q: 2. Methylamine has a vapor pressure of 344 torr at -25 °C and a boiling point of -6.4 °C. Find AHap…

A: Given, Pressure (P) P1 = 1atm = 760 torr P2 = 344 torr Temperature (T) T1 = -6.4°C = (-6.4 + 273.15)…

Q: B: Give the IUPAC name for each of the following polymers? 1- H(-OCHOCO-CH,CH,CO-)OH 2- 3- (-…

A: According to guidelines we are supposed to answer only 3 subparts if you want rest of the parts to…

Q: Vil H₂ H Н. H CH₁ is soluble in CH₁₂. In H₂O, this solute would be: 6 14 5 12° more soluble less…

A: C6H14 is soluble in C5H12 .We have to select the nature of solubility of this solute C6H14 in…

Q: Molar mass of a volatile liquid In Molar mass of a volatile liquid experiment, a student collected…

A: Use the ideal gas equation:  PV  = nRT  P  = pressure  = 689 torr  = 0.907 atm  V = Volume of flask…

Q: What volume (in L) of concentrated potassium hydroxide solution (21.5 mol/L) is required to prepare…

A: This is a dilution problem. Here the concentration of concentrated KOH solution is given. We have to…

Q: Phosphate buffer solution, which is used in preparing the BOD dilution water is prepared by…

A: The phosphate buffer is prepared by adding 3 different sources of free phosphate(PO43-) which are:…

Q: two half-cells. One of the half-cells contains a platinum electrode surrounded chromium (III) and…

A: A voltaic cell is an electrochemical device that generates electricity through a chemical…

Q: What is the ppm concentration of 370g of HCN gas inside 123,490g of air? A. 3000 ppm B. 1500 ppm…

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