4 The following is a monosubstituted aromatic hydrocarbon with the formula C9H12. Give its structure and assign chemical shifts. 1000 1H NMR 60 MHz 500 400 300 200 100 O CPS 100 50 Integral = 5 Integral = 6 Integral = 1 C9H12 8.0 7.0 6.0 5.0 4.0 3.0 2.0 1.0 O PPM

Q: determines the pH of the buffer region in a weak acid titration curve?

A: pH= pka+ log[salt]/[acid]      hence pH range lies between Pka+1 to pka-1, this range is called tran...

Q: 1. A leak in a sealed room (T = 23°C) of a space station was observed when the pressure dropped 0.94...

A: Given: Initial temperature (T1) = 23 oC Initial pressure (P1) = 0.94 atm Final pressure (P2) = 0.87 ...

Q: •6rulfato lizand bedintimguinnod n How cen Itu ionie, nunodeutali and bidontali(cholaleci amd baid y...

A: This Question is upon Inorganic IR Spectroscopy.

Q: Part A For the reaction A +B+C-→D+E, the initial reaction rate was measured for various initial conc...

A:

Q: Ethylene glycol, HOCH2 CH,OH, is used as antifreeze. It is produced from ethylene oxide, C2H4O, by t...

A:

Q: 25 20 15 B 10 A Reaction progress Use the reaction energy diagram above to answer the following ques...

A:

Q: Is this a spontaneous or nonspontaneous process?

A: Is this a spontaneous or nonspontaneous process? 

Q: reaction of 50.0 g of aluminum and sufficient oxyger has dioxide? 2Al,0,(s) 4Al(s) + 302(g) Calculat...

A:

Q: What is the volume of the solute dissolved in 100mL of solution in a 22%V/V solution?

A: Given,  the volume of the solute dissolved in 100mL of solution in a 22%V/V solution is :

Q: Predict the products of this nucleophilic acyl substitution reaction (i.e. show the leaving group). ...

A:

Q: Brz Mg Pyr Etz peBrz Me ų NBs Na OH pCC AICI3 light

A: Benzene can give electrophilic aromatic substitution reaction.  

Q: Describe the scent/odor of the following:   a. Orange fruit b. Rose flower c. Cupcake d. Ethyl ...

A: Correct order is d> A> B> C> E 

Q: A 50.0 mL solution of 1.2 M HCl at 24.1oC is mixed with 50.0 mL of 1.3 M NaOH, also at 24.1oC, in a ...

A: HCl = 50.0 mL x 1.2 M = 60 mmol = 0.060 mol NaOH = 50.0 m X 1.3 M = 65 mmol = 0.065 mol here HCl and...

Q: volumetric flask. A 1.00-mL aliquot of the compound was placed in a 10-mL volumetric flask and dilut...

A: Here a volumetric flask contains 5 ml of of concentrated solution of compound X. 1ml of the original...

Q: Sometimes in lab we collect the gas formed by a chemical reaction over water (see sketch at right). ...

A:

Q: Air at standard sea level condition undergoes the isentropic process until it is three-fourths the s...

A: Initial conditions: Pressure=P1=14.7 psiTemperature=T1=59.09 F0

Q: 5Cl,(9) + L,(s) + 6 H,0(1) → 10CI"(aq) + 210,(aq) + 12H (aq) nswer the following questions about thi...

A: Given Galvanic cell 5Cl2 (g) + I2 (s) + 6H2O (l) --------> 10Cl- (aq) + 2IO3- (aq) + 12H+ (aq) Id...

Q: A From the given spectral data, identiſy the compound and provide justífication for MS fragmentation...

A: This Question can be solved using NMR, IR & Mass Spectrometry.

Q: Which of the following is an intermediate in the reaction sequence shown in the box? КОН, Н,ОEТОН | ...

A: Intramolecular aldol reaction is the condensation reaction of two aldehyde groups or ketone groups i...

Q: A chemist receive different mixtures for analysis with the statement that it contain NaOH, NaHCO3 , ...

A: NaOH and NaHCO3 can't be present together in a mixture since they react to form Na2CO3.   Thus, poss...

Q: How much heat is produced in burning 4 mol of CH4 under standard conditions if reactants and product...

A: Combustion of hydrocarbons: Hydrocarbon combustion is known as a  chemical reaction where a hydrocar...

Q: a rxn gives a racemic mixture of product?

A:

Q: What will be produced if these two solutions are mixed together? (Hint: Complete the reactions in th...

A: Precipitate formation: the formation of a precipitate take place in solution. A precipitate is a sol...

Q: What is the missing product or reagent needed to complete these reactions?

A: Nucleophilic substitution biomolecular reaction (SN2): The bimolecular nucleophilic substitution rea...

Q: 103.0 g of chlorine gas (Cl2) and 36.0 g of helium (He) are mixed in a container with a total pressu...

A: Given,  The mass of Chlorine(Cl2 ) = 103.0 g      The mass of helium (He) = 36.0 g and the total pre...

Q: The diagram shows the energy of a reaction as the reaction progresses. Label each of the following i...

A:   Energy diagram is the graphical representation of a reaction  In this diagram a graph is drawn be...

Q: 21. An orbital which does not exhibit symmetry along the internuclear axis: A. Sigma orbital B. Pi o...

A:

Q: Consider these compounds: A. Ba3(PO4)2 B. PbCro4 C. FezS3 D. Cuco3 Complete the following statements...

A: we are required to determine whether zinc phosphate is more or less soluble than any of these given ...

Q: A small bottle of Coke contains 8 fluid ounces, or 237 mL, of soda. The nutrition label states that ...

A: Mass%= Mass of solute/Mass of solution×100 

Q: 3. The equilibrium constant for the reaction: N2 (g) +Oztg) is 2.60 x 103 at 1100 °C. If 0.820 mole ...

A:

Q: The preparations of two aqueous solutions are described in the table below. For each solution, write...

A: Concept: An acid is defined as a substance whose water solution tastes sour, turns blue litmus red a...

Q: 1. Which of the following intermolecular forces will be observed when table sugar and water is mixed...

A: The many O-H (hydroxyl- ) groups in sucrose are attracted to the water molecules by dipole-dipole fo...

Q: CH,CCHCCH,CH, CH3CCHČCH,CH3 + "NH, =t NH, CH,CCHCCH,CH, DK,- 38 Kea Equilibrium position=

A:

Q: Consider the following reaction: 2NOBr(g) 2NO(g) + Br2(g) If 0.779 moles of NOBr(g), 0.610 moles o...

A: 2NOBr(g) ---> 2NO(g) + Br2(g) Moles of NOBr = 0.779 mole Moles of NO = 0.610 mole Moles of Br2 = ...

Q: Enumerate

A: Enumerate the 4 Guidelines of ICH.,

Q: 1. Calculate the enthalpy of reaction (NOT molar enthalpy) for the combustion of ethene Answer: 2. U...

A: ∆Hf0 C2H4(g)=52.3 kJ/mol∆Hf0 CO2(g)=-393.5 kJ/mol∆Hf0 H2O(g)=-241.8 kJ/mol∆Hf0 O2(g)=0 kJ/mol

Q: HCN 4.9 x 10 ethylamine 15NH2| 6.4 x 10 HCH;CO2 1.8 × 10¯³ C,H;NH, 4.3 × 10¬10 aniline

A: As we know,  Acidic salt has pH less than 7 Basic salt has pH greater than 7 Neutral solution has pH...

Q: For this question, I would like to know how the diverse ion effect would affect the solubility of Ca...

A: To explain the diverse ion effect on the solubility of Ca(OH)2

Q: 10. According to the background information the Group III reagent is to be buffered at pH 10 to proo...

A: Answer- Data given- Fe3+ concentration is 0.1 N, ksp for Fe(OH)3 is 4.0x 10-38.

Q: How many grams of CuSO4.5H2O should be dissolved to make 500mL of 8 x 10-3M solution?

A:

Q: standard deviation

A: If there is two results having standard deviation Sa and Sb. Therefore standard deviation indicate t...

Q: Given the following chemical reaction in equilibrium, 2A + B ---> 3C + D a. What is the reaction qu...

A:

Q: The instrument reads a height equivalent to 0.95 atm. The air is compressed adiabatically to 87,000 ...

A:

Q: What is the mass percentage of O in CO2? Provide an answer to two decimal places.

A: Given,  The mass percentage of O in CO2 is:

Q: water? a. Slightly acidic Neutral Very basic d. Slightly basic e. Very acidic

A: pH of solution is defined as negative logarithm of hydrogen ions in the solution.

Q: 3. A solution that may contain any of the group III cations. Treatment of the solution with CIO in a...

A: Group 3 cation involve Cr3+, Al3+ , Ni2+ and Fe3+ .

Q: Provide a reasonable multistep synthesis of the following molecule from the indicated starting mater...

A: A question based on introduction to organic chemistry that is to be accomplished.

Q: The following product shown in the box is formed by an intramolecular Diels-Alder reaction. Identify...

A: ->Diels-alder reaction is [4+2] cycloaddition reaction in which diene and dienophile used . ->...

Q: When preparing a 1.5 L of 2.0 M buffer, pH = 6.00. The amount of acid, HA, needed is [ a ] . The amo...

A:

Q: 6. Write the formulas and names for the compounds of the following 1ons: 02- p3- Ga3+ K+

A:    Ions   F -   O 2-   P 3-     K+  KF   K2O   K3P    Ga3+ GaF3 Ga2O3  GaP Names of the compo...

Analyzing and Predicting Spectroscopic Data

The interaction of electromagnetic radiation with the structure of molecules in the sample and their study is referred spectroscopy. Several spectroscopic methods are used to acquire sample information, and these methods are proved to be accurate, fast, and non-destructive. The information obtained about the content and composition of molecules from these spectroscopic methods is called spectroscopic data.