9. An unknown compound produces a 'H NMR spectrum that has just two signals, each oI which is a singlet. Which of the compounds below could be the unknown compound? Explain your reasoning for choosing the compound that you did AND not the others. CI D A

Q: Calculate the molar solubility of AgBr in 0.035 M NaBr (K sp =5*10^ -13 )

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Q: Present the concerted pathway of the reaction below. (2E)-hex-2-ene + H2 and Pt

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Q: Chemistry For this exercise, you can simulate the described conditions by changing the values in th...

A: Given,  Molarity of HNO3 = 1.6 M  Volume of HNO3 in mL = 61 mL  Molarity of KOH = 1.8 M  Volume of K...

Q: a. How to prepare 8.00% (v/v) ethanol solution? which option? option1.) Measure 8 mL of ethanol and...

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Q: Consider the reaction: ACcast 2B(9) ABa(g) * Ceg) AH =+56.9K) ABa (9) * Ceg) AH = +56.9K) The System...

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Q: 3. There are several methods for preparing alkenes. A Wittig reagent was used in this experiment. Tr...

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Q: NH2 NHCH3 ОН NHČCH, OCGH5 OH A B C E F Br 4. Rank the reactions above (question 3) in order of incre...

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Q: . Calculation of approximate K, for HC,H,O2:

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Q: YouTube Мaps Classes What mass of NaNO3 should be dissolved in 45 mL of water so that the resulting ...

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Q: Starting a solution( 15.0ml 0.200M CoCl2 (times) 6H2O+9.00ml 12.0M HCl) WHICH CHANGED THE COLOR TO P...

A: When any reaction at equilibrium is disturbed then Le chatelier principle gives the direction of rea...

Q: A solution containing Mg2+ was buffered to pH 9.75 and titrated with EDTA. Eriochrome black T, with ...

A: EBT is used as metal ion indicator.

Q: A chemist went on a trip to Japan to obtain a sample of chalcocite (copper (I) sulfide), one of the ...

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Q: II. ANSWER AS DIRECTED. Give the detailed solution to the following problems. Express your final ans...

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Q: why are ionic solutions not ideal even at very low concentrations?

A: Answer: Substances made of ions are called as ionic substances.

Q: Explain how IR spectroscopy could be used to distinguish between the following sets of compounds. Be...

A: IR spectroscopy gives the information about the functional groups of unknown.  

Q: Br

A: R/S designation can be done using CIP rule . And the detail description is shown below

Q: 2. a) Which of the following dienes could react in a Diels-Alder reaction: CH2 CH3 i) ii) CCH2 ii) H...

A: Diels adder reaction can be defined as the reaction in which a diene react with dienophile.

Q: Eire the IUPAU names por the Pollowing compounds H3C CH3 a. H2 C = CHCHC CH3 CH3 B. CH3CH =CHCHCH - ...

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Q: Suppose that 10.00 mL of 0.0100 M IO3- solution requires 11.43 mL of the thiosulfate solution to be ...

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Q: What is the percentage of a solution that is made by mixing 420mL of hydrochloric acid in a 0.72 L o...

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Q: Q4) Use each of the terms below just once to complete the passage. Immiscible liquid soluble solutio...

A: Immiscible means which do not mix while miscible means which mixes.  Solution is prepared by mixing ...

Q: 2 4 3) Show a biological mechanism for this retro carbohydrate catabolism process. CH,OPO, 2- CH2OPO...

A: First Step ==> Proton abstraction Second step ====> Dehydration      

Q: ANSWERS Consider the reaction 2 NO2(9) - N20a(9). (a) Using AG, N204(9) - 97.79 kl/mol and AG N02(9)...

A: Since you have posted multiple questions, as per our company guidelines we are supposed to answer on...

Q: What is the E°cell for the cell represented by the combination of the following half-reactions? 2H9²...

A: 2Hg2+(aq) + 2e-  <---> Hg22+(aq) ; E° = 0.92 V  Cr3+(aq) + 3e- <---> Cr(s) ; E° = -0.74 ...

Q: Give the safety measures when working with the following lab equipment during experiments and conduc...

A: Saftey precautions  are necessary  for saftey of all the stake holders working there.

Q: The following data were collected at 25°C for the reaction of nitrogen dioxide with ozone which is o...

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Q: Inorganic chemistry is the chemistry .of the compounds of carbon False true O Name of this structure...

A: inorganic chemistry is the branch of chemistry which deals with inorganic compounds. While organic c...

Q: Whic‎h of the foll‎owing is not a mo‎nodentate liga‎nd ? Select one: a. OH- b. H2NCH2CH2NH2 c. H2O ...

A: Given,  Which of the following is not a monodentate ligand = ? Options are : a. OH- b. H2NCH2CH2NH2 ...

Q: integration for 7.24 ppm will be set to 4 5.16 ppm H. End group 4.36 ppm На 7.34 ppm 5.10 ppm На H3C...

A: L-lactide methine protons are in the middle of a carbonyl and an oxygen which makes it more downfiel...

Q: A student determined that the mass of four pennies was 18.5grams. Use this information to calculate ...

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Q: How many moles of barium are contained in 112.6 g of barium?

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Q: Directions: Give at least 5 examples of benzene derivatives that are used commonly. Then, co Name of...

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Q: Describe how you would pick the appropriate chemicals to use to prepare a butter.

A: Buffer is defined as a solution which does not alter it's pH after addition of a small amount of str...

Q: The following data were collected at 25°C for the reaction of nitrogen dioxide with ozone which is o...

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Q: The equilibrium constant for the reaction below is K=3.39×105 at 400.0ºC. 2 SO₂ (g) + O₂ (g) ⇄ 2 SO...

A: Use the van't Hoff equation to calculate the value of the equilibrium constant.,

Q: Ph. Ph (Retel goroduet)

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Q: What is the mole fraction of 25% sucrose solution (C₁2H2011)? Find its molal concentration.

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Q: +Ga 73 73, Zn→ 30 31

A: Beta particle is a high speed electron which is emitted from the atomic nucleus in the radioactive d...

Q: a) Sketch the molecular structure of EDTA. Indicate the ligands in your sketch.

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Q: 10. 15.81mL of 0.0593 M NaOH was required to react in the titration with benzoic acid extracted from...

A: Answer: Reaction between benzoic acid and NaOH is shown below: C6H5COOH(aq)+NaOH(aq)→C6H5COONa(aq)+H...

Q: Starting a solution( 15.0ml 0.200M CoCl2 (times) 6H2O+9.00ml 12.0M HCl) WHICH CHANGED THE COLOR TO P...

A: The answer is as follows:  

Q: Why is important to dry a primary standard to a constant mass ?

A: A primary standard is a reference chemical used to measure an unknown concentration of another known...

Q: 2. How many different absorptions (signals) would you expect to see in the 'H NMR and in the 'C NMR ...

A: Active nuclei which have odd mass number are NMR active Here we are required to find the number of s...

Q: If you titrate 25.00 ml of a 410. mg/L ascorbic acid solution and titrate it with 1.38x10 M KIO, wha...

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

Q: If 29.9 grams of ammonium nitrate react to form 16.4 grams of dinitrogen monoxide, how many grams of...

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Q: Write the name of the product that results when 3,5-dibromoheptanal is treated with Pt and hydrogen ...

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Q: what is the mole fraction of the components of a solution containing 18g h2SO4 in 75 g of liquid wat...

A: Mass of H2SO4 = 18 g, molar mass = 98 g mol-1 mass of H2O = 75 g , molar mass = 18 g mol-1 Mole frac...

Q: In performing an experiment on freezing point depression, the solution was prepared by dissolving 2....

A: Answer: This question is based on the colligative properties of solution in which on adding non-vola...

Q: Provide the correct names for th following compounds

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Q: The CH3COOH could have greater vapor pressure lowering than NaOH., true or false?

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Mass Spectrometry

This process is an instrumental method in which a sample is changed to fast moving positive ions by electron bombardment. The charged particles vary due to their different mass to charge ratio and are estimated with the help of this difference. It is also called mass spectroscopy.