Q: Q1: Indicate whether the following statements are true or false ,correct the false and give a proper…
A:
Q: Balance: Ir(PO4)(aq) + K(C2H3O2)(aq)—>
A: The reactants given are, 1) IrPO4 2) KC2H3O2
Q: Molarity of NaOH (phenophthalein) 0.1132 Volume of HC2H3O2 (acetic acid) 25.00 ml. vinegar %3D TRIAL…
A: Given data,Molarity of NaOH=0.1132MVolume of acetic acid=25.0mL=0.025L
Q: Metal Sample Large 32.30 Triple-beam Balance Small Mass Beaker (g) Mass of Metal + Beaker (g) 110.74…
A: The ratio of mass of the solution to the volume of the solution is known as denisty.
Q: A calibration curve of ZnCl2 conductivity (y-axis) vs concentration (mass percent, x-axis) is made.…
A: In the linear regression plot, the X-axis represents the mass percent of ZnCl2. The Y-axis…
Q: Table 1: 田 Average [NaOH) (M) Volume NaoH [NaOH) (M) Trial # KHP (g) (ml) 0.4510 22.16 0.4524 22.21…
A: The table gives mass of KHP (potassium hydrogen phthalate) and different volume of NaOH. To find:…
Q: Trial Sample Mass Trial 1 Trial 2 (partner) (partner) #1374 o.1478018 0-lal NaOH Buret Readings…
A:
Q: According to the chromatography the value of the distance traveled by the solvent is:
A: We need to calculate the distance traveled by solvent.
Q: Use the lab introduction to answer the following question. When answering this problem, report the…
A: Volume of beverage powder sample mixture = 3.78 L Volume of sample taken for dilution (V1) = 10 mL…
Q: Substance Melting Points in ℃ Benzoic…
A:
Q: It is a type of mixture with particles evenly scattered in a dispersed medium without settling down
A: Mixture is the combination of two substance. There are two types- 1) Homogeneous mixture. 2)…
Q: Part A Part complete [OH−][OH−] = 3.8×10−11 MM Express your answer using two decimal places.…
A:
Q: Color BEFORE adding Color AFTER adding Intensity of color AFTER adding FeCl3 Test Tube # FeCl3 FeCl3…
A: Using a melting point apparatus, Determine the melting point of obtained crude aspirin and…
Q: Reagent Blank Absorbance Reagent Blank Absorbance Concentration of Stock Solution: 10 ppm Volume of…
A:
Q: ayer Mass of Erlenmeyer Flask Calcium Hydroxide olution (lime water) Mass of Calcium Hydroxide…
A: Titration of Calcium Hydroxide (Ca(OH)2) with Hydrochloric acid (HCl) is- Ca(OH)2 + 2HCl…
Q: A volume of 25.00 mL of the original solution was diluted to a total volume of 100.0 mL and then…
A: If we take a definite amount of solution and then dilute it with by adding of water the mole of…
Q: Low of constant composition
A: In this question, we will see the defination of Law of constant composition and it's example. You…
Q: Mass of Erlenmeyer Flask (g) 24.33 24.37 24.44 Mass of Erlenmeyer Flask + Calcium Hydroxide…
A: The comment should be: We’ll answer the first question since the exact one wasn’t specified. Please…
Q: The data in the problem has error. Make it 0.99 M KMnO4. Show the complete solution
A:
Q: Allison dissolves as much as possible of a certain solid in a quantity of water at room temperature;…
A: Solubility is the mass of the solute dissolved in particular amount of solution .
Q: 2. Boil I L of distilled water for 5 min to expel CO2. Pour the water into a polyethylene bottle,…
A:
Q: Sample 1 Sample 2 Unknown CaCl2 solution code (if any) 2 1. Unknown Code = 2. Volume of 0.100 M…
A: Answer: In this question we have to find out the moles of Sodium Phosphate consumed by performing…
Q: volumertic and non-volumetric quantitative analytical menthods
A: Volumertic and non-volumetric quantitative analytical methods.
Q: Best Value for % Purity How did you arrive at the best value?
A: The best value is calculated from the average of the good data values.
Q: best value for percent purity and how did you arrive at the best value
A: The best value is calculated from the average of the good data values.
Q: T0.03g 1. Mass of empty small evaporating dish (nonalpe noin2.24g 2. Mass of small evaporating dish…
A: The mass of empty small evaporating dish is = 70.03 g The mass of small evaporating dish + mixture…
Q: The student collected the following data he prepared solutions ranging from 0.000 to 0.500 ppm and…
A: We have to find first equation for given points and then we have to find amount of unknown using…
Q: This is my 2nd attempt to receive help with this problem. The previous expert confused me by saying…
A: According to the VSEPR theory, the geometry of the molecule depends on the number of bond pairs and…
Q: 16. Concentrated glacial acetic acid is 99.7% H3CCO2H by mass and has a density of 1.05 g/mL. What…
A: Given, Concentrated glacial acetic acid is 99.7% H3CCO2H by mass i.e. 99.7 g acetic acid in 100 g…
Q: INSTRUCTIONS: SOLVE FOR THE FOLLOWING PROBLEMS. SHOW YOUR COMPLETE SOLUTION & THE CANCELLATION…
A: Given data is as follows: The volume of polyethylene glycol = 150 mL The density of polyethylene…
Q: How many milliliters of H2SO4, 94.0% w/w, with a specific gravity of 1.831, are required to prepare…
A:
Q: Test tube KI H₂SO4 H₂O2 Volume / cm³ Na2S2O3 Distilled Total Starch solution water
A: Given table is:
Q: 4. Assuming no calculation errors, why would a percent recovery > 100% or a percent recovery < 100%…
A: When product is recovered as predicted then % of recovery < 100 %
Q: Chips # of extractions Chips' weight (g) Fat weight (g) Regular 3 20.043 6.745 3 20.187 6.438 3…
A: For the 1st trial of regular chips, the percentage of fat, m% by mass, in a 20.043 g of chips is…
Q: How large volume should be measured from a 37wt, 1.185 g/cm^3 density solution?
A:
Q: STANDARD SAMPLE PREPARATIONS FOR ABSORBANCE & CONCENTRATION DATA Concentration of stock nickel…
A: In order to solve this table and find molarities/concentrations, we will use the law of dilution…
Q: Sample 1 Sample 2 Sample 3 Mass of Erlenmeyer Flask (g) 24.33 24.37 24.44 Mass of Erlenmeyer…
A: Ca(OH)2 ----> Ca2+ + 2 -OH 2 -OH + 2 HCl -----> 2H2O + 2Cl- net reaction Ca(OH)2 + 2 HCl…
Q: A sample consisting entirely of pure Li2CO3 and pure BaCO3 weighs 1.000 g and requires 30.00 mL of…
A: Answer: This question is based on stoichiometric calculation where we have to change the number of…
Q: The following volumes of 0.000300 M SCN are diluted to 15.00 mL. Determine the concentration of SCN…
A: Given that, the following volume of 0.000300 M SCN- is diluted to 15.0 mL. We have to calculate the…
Q: 0 30 5060 70 3600 UALA Weight percent tungsten 90 80 100 3422°C 3400 - 3200 3000 2800 2665 C 2670 C…
A: Few questions based on phase diagram that are to be accomplished.
Q: A solution containing 15 mmole of CaSO, is diluted to 250 mL. The number of milligrams of CasO4 2H;0…
A:
Q: Complete the table and provide the percent (%) recovery for each extraction
A: A question based on general chemistry that is to be accomplished.
Q: Questions 13 through 16 pertain the following medication order. PHARMACY STOCK Calcium chloride 13.6…
A: Since you have asked multiple questions ,we will solve the first question for you .If you want any…
Q: mass of unknown crude for acid and neutral is 0.03 grams mass of unknown recrystallized for acid and…
A: Solution: Here we have binary mixture of unknown acid and neutral compound. This mixture is exactly…
Q: What is the average percentage by volume of ethanol for this batch?
A:
Q: Cat Noir was tasked to determine the concentration of a CuSO4 unknown solution. She prepared 5…
A: Lambert Beer's Law depicts that when a monochromatic light flows through an adsorbing medium, the…
Q: Data of milk: (first trial) Mass of milk: 104.4579g Concentration of NaOH (M): 0.09639 Volume of…
A: Given: Trial 1: Volume of NaOH solution used = 5.5 mL. Trail 2: Volume of NaOH used = 5.3 mL.
Q: Why is the zinc powder weighed roughly while CuSO4 solution is pipetted?
A: A hydrate is a substance that contains water or its constituent elements. Hydrate are any compound…
I need help finding the %Composition for %cychohexane and %toluene. The formula (area of peak/total area) * 100%
Step by step
Solved in 4 steps with 1 images
- 1H 11 10 2H 2h 5 3H 3 An IR spectrum, a 13C NMR spectrum, and a ¹H NMR spectrum were obtained for an unknown structure. Draw the structure of this compound. 2 1 ppmIntensity (a.u.) 4000 3352 cm¹ 3500 3000 UNKNOWN B 1710 cm¹ 2000 1668 cm¹ 2500 Wavenumber (cm¹¹) 1500 1101 cm 1000 500Following are infrared spectra of 2-methyl-1-butanol and tert-butyl methyl ether. Assign each compound its correct spectrum. Micrometers 2.5 100 3. 4. 9. 13 8 10 11 12 14 15 20 90 80 70 50 40 30 20 10 4000 3600 3200 2800 2400 2000 1800 1600 1400 1200 1000 800 600 400 Wavenumber (cm-1) Transmittance (%)
- 3) Analyze the following IR spectra and match each spectrum to the correct molecule using the list of molecules (only one structure for each molecule; not all molecules will be used). Draw the correct molecule in the box to the right. Label the relevant peaks in the spectra with the proper functional group. If the absence of key peaks led to your choice, indicate which key peaks were absent. NH₂ OH OH OH HNLrdocaine USP (ATR) 95- 90 85 80 75 70 65 60 55 50 45 Lidocaine 40 4000 3500 3000 2500 2000 1500 1000 Wavenumbers (cm-1) %Transmittance IZ 3243.36 3021.30 2968.47 2921.13 2799.39 1661.66 1593.98 1491.43, 1449.061 422.12,384.681371.62 1291.03264.55 1206.99 1165.931119.56 1091.78072.77. 1034.33 970.79986.39 917.91, 885.23 763.76 703.94 615.01599.90Spectrum 28 100% 75%- 50%- 25% 0% 3500 2500 1750 1250 750 4000 3000 2000 1500 1000 50 Wavenumber (cm) NH2 Transmittance (%)
- 1. C5H1002 10 HPM-00-297 100 TRANSMITERE 9 4000 8 T 3000 T 7 T 6 2000 5 ppm MOVENEDI T 4 3 T 1500 : T 3 1 T 2 : T 1000 6 T 1 T 0 500 200 DEPT-90 180 160 CDS-00-156 DEPT-135 140 120 100 ppm T 80 60 T 40 20 لندYou will check the outcome of reaction via infra-red spectroscopy: what are the diagnostic functional group peaks for the following compounds? You should also indicate the stretching motions responsible for absorbance. Dilantin benzil (unreacted starting material) Urea (unreacted starting material)Fill in the table below. Age Frequency (F) Lower Boundary Cumulative Frequency 57-61 52- 56 2 1. 11 4 2. 12. 47-51 3. 13. 42-46 11 4. 14. 37-41 19 5. 15. 32-36 27-31 22-26 17-21 12-16 36 21 6. 16. 7. 17. 32 8. 18. 25 11 N= 170 9. 19. 10 20.
- QUESTION 5 The IR, 'H NMR and 1°C NMR spectra of compound P are shown below. The molecular formula for compound P is CsH;NO2. Identify three (3) important absorption peaks on the IR spectrum and indicate the bond and wavenumber associated with each peak. Elucidate the structure of compound P and assign each peak in the 'H and 13C NMR spectra. (Hint: The compound consists of more than one functional group). а. b.Chemistry Question6. C8H100 11 TRANSMITTANCE LOD HSP-04-492 0+ 10 4000 9 3000 8 5 7 6 : 5 ppm 2000 4 HAVENUMBERI-l 2: 2 1 3 1500 2 سهر 1 1000 0 500 200 T 180 CDS-06-431 DEPT-90 T 160 DEPT-135 140 120 100 لك -2 peaks u ppm 80 60 40 20 0