Q: Calculate the maximum expected vapor pressure lowering of a solution made by dissolving 109 grams of…
A:
Q: The Henry’s law constant (kH) for O₂ in water at 20°C is 1.28X10⁻³mol/Latm. (a) How many grams…
A: According to the Henry’s Law: Solubility of O2 in 1 L = 1.28×10-3 mol Solubility of O2 in 2.5 L can…
Q: Kb (°C/m) of water Boiling Point of Water, °C SOLVENT 0.5121 100.0 100.0 g water Mass / Added…
A: The data given is,
Q: What volume of water at 20.0 °C (d = 0.9982 g cm) is needed to dissolve 54.1 g of sucrose to make a…
A: 6.03% w/w means 6.03g of sucrose is present in 100g of solution. Water present in solution…
Q: II. Determining the Volume of 0, Produced from the H20, Solution code number of H,O, solution Equate…
A: H2O2(aq) undergoes decomposition to form H2O(l) and O2(g). The balanced chemical equation is:…
Q: Describe how you would prepare a) 2.50L of 0.225M sodium hydroxide solution starting with the…
A: a) Molarity of required solution = 0.225 M Volume of the required solution = 2.50 L w/w% of NaOH =…
Q: Q3-A 1000 Liter of UST containing carbon tetrachloride, which has a water solubility of 911 mg/L and…
A: Water Solubility Solubility in water is the measure of how much of an oil will dissolve in the water…
Q: 5.3: Similar to For practic 0.125 M HNO3 solution r Na2CO3(aq) + 2HNO3(aq) O 14.9 mL O 51.4 mL O…
A:
Q: ity at 25 °C of Ni(OH)₂ answers to 2 significant d ater: OM NaOH solution: g L 0- g
A:
Q: 1. If you have a solution that is 6 percent by mass of LiCl in benzene, what is the new ooiling…
A:
Q: Water H,0 0.512 1.86 CH;CH,OH CHCI, Ethanol 1.22 1.99 Chloroform 3.67 Benzene 2.53 5.12 Diethyl…
A:
Q: Arterial blood contains about 0.25 g of oxygen per liter at 37°C and standard atmospheric pressure.…
A: Given: Henry's constant , kH = 3.7 × 10–2 mol/(L • atm) mole fraction of O2 = 0.209
Q: Atrazine is a herbicide that is commonly used in the United States. The Henry's law constant of…
A: Henry's law: It states that the solubility of the gas in a liquid is directly proportional to the…
Q: a) Which salt has minimum solubility at40°C? 200 160 180 170 160 b) At what temperature solubility…
A: The questions can be answered using the given graph:
Q: One mole of solute particles raises the boiling point of 1.00 kilogram of water by 0.51 C. Calculate…
A: Given: The number of moles of CaB2 is 0.300 mol and the mass of water is 500 g. The boiling point…
Q: Describe how you would prepare a) 2.50L of 0.225M sodium hydroxide solution starting with the…
A: Concentration of a solution is the amount of solute present in fixed amount of solvent or solution.…
Q: The partial molar volumes of acetone and chloroform, in a solution in which the molar fraction of…
A:
Q: Adrenaline is the hormone that triggers the release of extraglucose molecules in times of stress or…
A: Colligative properties are the properties which depend on the number of atoms or molecules or ions…
Q: The osmotic pressure values corresponding to 10 solutions of an enzyme in water at 298 K are given…
A: Osmotic pressure of the solution and the molarity of the solution is related by the following…
Q: If 102.6 mL of water is shaken with oxygen gas at 1.8 atm, it will dissolve 0.0034 g O2. Estimate…
A: Henry law: This law states that the concentration of a gas dissolved in a liquid depends on the…
Q: Calculate the number of mmoles of solute that are present in 4000 cm3 of an aqueous solution that…
A:
Q: Solubility ig solute/100g H,O) D0 g of water at 3C umerical answer to 110 100 NH, 90 70 60 40 30 20…
A: Solubility is the ability of a chemical substance to dissolve in solvent and form a solution. The…
Q: S- BIOL111ASP2020 B Canvas Login at Mary Baldwin Un x Chemistry 121 101 Chem101 Question 1 of 29 In…
A: An acidic substance is the substance that can give H+ ions. They are corrosive and sour in nature.…
Q: Describe the steps to prepare 100.00ml of 2.00M H2SO4 from a concentrated 5.00M H2SO4 solution using…
A: Dilution gets used for decreasing any particular soluton's concentration. This process holds…
Q: 1 kg solution of aqueous oxalic acid was made by dissolving 10g of C2H2O4 and is used as a…
A: Here 10 g of oxalic acid was dissolved in 1Kg aqueous solution at 30°C. The percentage of…
Q: Dilutions From a 2.0 M Stock Solution 39 SEP Interpret Data The table shows the volume (Vstock) of a…
A: M1 = 2.0 M V1 = ? M2 = 0.5 M ( mol/L = M ) V2 = 1 L M1 × V1 = M2 × V2 2.0 M × V1 =…
Q: A solution contains 6 umol Na2SO4 in 284 ml. How many ppm Nat does it contain? A.W Na=23 S=32 0=16…
A: The concentration in ppm is calculated as the ratio of grams of solute and the volume of the…
Q: g and lear X * MindTap - Cengage Learning water treatment systems - Forkly X…
A:
Q: How much of each source material is required to make the stated solution 200 mL of a 250 ppm Carbon…
A:
Q: POint Elevation A selution in preparnd hy disselving 15.60 gof ordinary gar sueroe, CHO, molecular…
A:
Q: Benzylkonium chloride solution 600 ml. make a solution such that 25 ml diluted to a liter equal to…
A: Here, ratio = 1:3000 % of solution = 12%
Q: Concentrated ammonia contains 1.10 mil of NH3 dissolved in 2.54 mol H2O. What is the mole fraction…
A: · Number of moles of NH3 in concentrated aqueous ammonia = 1.10 mol· Number of moles of H2O in…
Q: show the complete solution and express the final answer with significant figures A. FREEZING POINT…
A: A. Depression in Freezing point can be calculated as follows: where ΔTf: Depression in freezing…
Q: What will be the new vapor pressure of the water in a 100 mL solution of 10 g of sugar (MW=…
A: The given data is as follows: The volume of the solution = 100 mL The mass of sugar = 10 g The…
Q: ... متعد د الخيارات What is the volume of sulfuric acid H2S04 needed to prepare a dilute solution of…
A:
Q: What is the molar fraction of glycine in an aqueous solution whose concentration is 0.140 molkg-1.…
A: Concentration = 0.140 molkg-1 Molar mass of water = 18.01g/mol
Q: Concentration of solutions that involves liquid solute and solvent uses with an equation: Jm AS…
A: A question based on concentration of solution concept, which is to be accomplished.
Q: DATA Tute used Bocum Nitrate (BalNoz)z Imel BaCNSs)z 261.337glnol 2.0 261.337g/mol 20g 0077moles ams…
A: "Since you have asked multiple questions, we will solve the first question for you. If you want any…
Q: Calculate the molarity of 15.4 g of sucrose (C12H22011) in 74.0 mL of solution, [Molar mass of…
A: Hello, since your question has multiple parts, we will solve the first question for you. If you want…
Q: What is the mole fraction toluene in a solution made by dissolving 5.00 g of toluene (CZH8) in 39.0…
A:
Q: How would you make a 1 mL 0.8% Tween-20 solution in PBS from a 10% stock solution?
A: Tween-20 is polysorbate 20 with molecular formula C58H114O26 Its molecular weight is 1226g/mol…
Q: CHAPTER 13- SOLUTIONS AND THEIR BEHAVIOR Study Progre Previous Page 8 of 15 Next O Submit Qu The…
A: Given, Partial Pressure of O2 = 35mmHg = 35mmHg/760mmHg =…
Q: Calculate volume of H2 at 0 degress C, 2.00atm, from 275mL of 0.725M HCl and 4.50g Mg. Mg + 2HCl…
A: Given that : Reaction = Mg+ 2HCl → MgCl2+ H2 Pressure = 2.00 atm Volume of HCl =275mL Molarity of…
Q: What is the volume of sulfuric acid H2S04 required to prepare a dilute solution of 1000 ml with a…
A:
Q: Determine the boiling point elevation of a solution of 122.0 mg of carvone (a.k.a. oil of spearmint,…
A: Solution : Colligative properties of the solution are those properties that depend on the…
Q: A solution containing only water and glycerol (MW=92.1 g/mole) has a mole fraction for glycerol of…
A: Using mole fraction, we will calculate molarity of solution.
Step by step
Solved in 2 steps with 1 images
- NMR data Summary NMR solvent: DMSO-d6 'H NMR: Splitting (Multiplicity) Integration Chemical Shift 9.67 singlet 1H singlet doublet 9.17 7.37 6.72 2.00 1H 2H doublet singlet 2H 3H 1"C NMR: Chemical Shift 167.8 153.3 131.1 121.1 115.1 23.8 15N NMR: Chemical Shift 132.3 Instructions: Step 0: Look at the structure of Tylenol. Determine integration, and splitting you are expecting in the 'H NMR. Step 1: Look at the integration and splitting of the signals in the H NMR spectrum - assign the chemical shift of the protons of the methyl group; make a note which signals in the 'H NMR are due aromatic protons, NH and/or OH. Step 2: Look at the 'HSN HSQC spectrum - Use this spectrum to assign the chemical shifts of the NH proton and the OH proton. Step 3: Look at the 'H1SN HMBC spectrum - Use this spectrum to assign the chemical shifts of the aromatic protons in the 'H NMR. Step 4: Look at the 13C NMR spectrum - Make a note which carbon atoms are aromatic and/or alkyl. Assign the chemical shift of…Interpret the NMR spectrum 11 1 10 51 9 8 00 4 7 6 5 ppm 4 C,H,O,N M. Wt = 139 3 N 1 01. Given the IR and MS spectra, identify the following unknown with molecular formula (C5H10). 0.9 0.75 0.6 0.45 3089 2975 3000. 1648 2000. WAVENUMBER (cm-1) 885 1000. 100.- 80. 60.- 40.- 20. 0. 0. 15 15. d. Propose a structure consistent with this information. 29 c. To what do MS fragments at m/z = 70, 55, and 29 correspond? 30. m/z a. Calculate the hydrogen deficiency index for the molecule (show your work). 45. b. To what do the IR absorptions at 3089, 2975, 1648, and 885 cm³¹ correspond? 60. 70 75.
- NMR data Summary NMR solvent: DMSO-d6 'H NMR: Splitting (Multiplicity) Chemical Shift Integration 9.67 9.17 7.37 6.72 2.00 singlet singlet doublet doublet singlet 1H 1H 2H 2H 3H 13C NMR: Chemical Shift 167.8 153.3 131.1 121.1 115.1 23.8 15N NMR: Chemical Shift 132.3 Using the NMR spectra and the chemical shifts values from the previous page, assign the chemical shifts of the hydrogen atoms by writing the 'H NMR chemical shifts values into the boxes. н H но -CH3 -N. H, >H-O - H H Using the NMR spectra and the chemical shifts values from the previous page, assign the chemical shifts of the carbon atoms by writing the 13C NMR chemical shifts values into the boxes. CH3 -N. H. H-O4Analyze the H-NMR and C-NMR data below 10 9 8 7 H-NMR 6 200 180 160 140 120 C-NMR ppm 100 80 ppm 3 2 60 40 20 0 Assign. AQU C Shift (ppm) 7.804 7.607 2.577 Ppm Int. 196.90 199 135.86 274 131.89 1000 129.83 995 128.28 284 26.50 363A student performed a series of reactions and obtained the spectral data provided. The reaction sequence is shown below.. What are the structures for A, B, C, and D? Compound B NMR (relative integrated areas below peaks) CH;CH,O°N 1. BHTHF N-bromosuccnimide A CH;CH,OH B 2. H,O,/OH- D hv reflux Compound A NMR (relative integrated areas below peaks) PPM 5 Compound B IR INFRARED SPECTRUM PPM 5 1 6 0.8 Compound A IR INFRARED SPECTRUM 0.6 0.8 0.4 0.4 0.2- 3000 2000 Wavenumber (cm-1) 1000 The MS of compound B shows an M+ peak at 198 and an M+2 peak at 200 with a relative abundance of 1:0.97 2000 Wavenumber (cm-1) 3000 1000 Transmitance Relative Transmittance
- Identify the structure of the molecule most consistent with the molecular formula CgH8O₂ with 13C NMR delta peak values at 41.8, 123.7, 129.2, 132.3, 139.6, 141.5, 144.7, and 190.8. ol ol A. B. HO C. D. of OHFrom the spectra, determine the structure of the molecule.Remember to ignore the triad in the 13 C NMR spectrum at 77 ppm thatcomes from the NMR solventAnalyze this NMR and determine the unknown compound. Molecular weight= 120.15 Element Composition %C-79.97 %H-6.71 %O-13.32
- 7.) From the following sets of data, please propose a reasonable structure for the unknown organic compound. This molecule is entirely composed of C, H, and N only. Please show all of your work and feel free to write on the spectra any clues as to the structure. 4000 3000 2000 1000 S DO Infrared spectrum of unknown. KBr salt plate sample. 100 MS-NU-6396 80 60 40 20 - 10 20 30 40 50 60 70 80 90 100 110 m/z Mass spectrum of unknown. Molecular ion = 83.1 Relative IntensityA compound has the molecular formula: C4H8O2 and gives the following H-1 NMR spectrum. Give the functional groups responsible for the signals, which integrate as 2H, 3H and 3H (downfield to upfield). nmrsim presentation 1 1 C: Bruker TopSpin3.5p17\examdata elle 3.0000 SODEŹ quartet is CH₂, singlet is CH3 and triplet is OCH3. quartet is CH3, singlet is OCH₂ and triplet is OCH3 quartet is CH₂, singlet is OCH3 and triplet is CH3. quartet is OCH₂, singlet is CH3 and triplet is CH3. quartet is OCH₂, singlet is CH₂ and triplet is CH3. POSE (ppm) 10 [rel]Question 5 Analyse the 'H NMR spectrum of benzocaine below and complete the table of 'H NMR spectroscopic data. (Redraw the table in your answer book and complete) Atom # SH Integration Multiplicity 1 2 3 4 5 6 7 8 9 10 11 12 Sy 18.5 10.0 9.5 9.0 8.5 (2) 8.0 CHCI 7.5 7.0 Benzocaine/CDC13 (4) (2) 6.5 6.0 $.5 5.0 4.5 pom 4.0 3.5 3.0 2.5 H₂O 2.0 (3) 1.5 1.0 0.5 TMS 0.0 -0.5