Explain during the bromination of trans-cinnamic acid

Assignment Help Chemistry
Reference no: EM13490870

How might you use 13C NMR spectroscopy to determine if the brominated product is contaminated with some unreacted starting material (during the bromination of trans-cinnamic acid)? (Hint: Predict the expected signals for reactants and products, and identify the major differences)

Reference no: EM13490870

Questions Cloud

Explain the calorimeter that the value used in a calculation : How would a calculated specific heat be affected if there is less water in the calorimeter that the value used in a calculation. Would it be higher, lower or unaffected
Explain what is the vapor pressure of ethanol : The vapor pressure of ethanol at 34.7 degrees Celsius is 100mmgh, and the heat of vaporization of ehanol is 38.6 kj/ mol. What is the vapor pressure of ethanol in mm Hg at 65.0 degree celcius
Compute specific heat be affected if the metal cools : How would a calculated specific heat be affected if the metal cools before it is transferred to the water. Would it be higher, lower or unaffected. Explain
Calculate the specific heat of tungsten : A 0.95 102 g mass of tungsten at 100.0°C is placed in 2.10 102 g of water at 20.0°C. The mixture reaches equilibrium at 21.6°C. Calculate the specific heat of tungsten
Explain during the bromination of trans-cinnamic acid : How might you use 13C NMR spectroscopy to determine if the brominated product is contaminated with some unreacted starting material (during the bromination of trans-cinnamic acid)
How much heat did a block of ice absorb : Years ago, a block of ice with a mass of about 19.0 kg was used daily in a home icebox. The temperature of the ice was 0.0°C when it was delivered. how much heat did a block of ice absorb
What is the tension in the center of the rope : In a tug of war, each man o a 5-man team pulls with an average of 500N. What is the tension in the center of the rope
Explain the chiral centers with asterisks and label : Draw Fischer projection formulas for the products likely to be obtained from the bromination of (Z)-2-pentene with Br2/acetic acid. Identify the chiral centers with asterisks and label each center as R or S.
What is the heat of vaporization of chloroform : A 41.5 g sample of chloroform is condensed from a vapor at 61.6°C to a liquid at 61.6°C. It liberates 9800 J of heat. What is the heat of vaporization of chloroform

Reviews

Write a Review

Chemistry Questions & Answers

  Considering the given equation as 4fes2 11o2 ----gt 2fe2o3

considering the given equation as 4fes2 11o2 ----gt 2fe2o3 8so2 it is observed thatnbspa production error leads to

  State unfold the enzyme with urea and mercaptoethanol

Unfold the enzyme with urea and 2-mercaptoethanol. Then incubate and crystallize it in the presence of the substrate followed by X-ray crystallography.

  How much energy is needed to warm 175 ml of water at

1. how much energy is required to warm 175 ml of water at 18.5degc to 85.0degc? assume the specific heat of water to be

  Explain 1-methylcyclopentene yields two stereoisomers

The addition reaction of bromine (Br2) to 1-methylcyclopentene yields two stereoisomers. A) Draw the mechanism for the formation of one of the stereoisomers

  How much time will it take the water heater to heat water

A portable water heater transfers 225 watts of power to 5.5 L of water. How much time will it take the water heater to heat the 5.5 L of water from 22 to 40 degrees Celsius?

  Explain what is the final mass of the spongy material

Calculate the surface area for a 35.0mg sample of this material. 3. A 10.0-mL sample of contaminated water had 7.748mg of mercury in it. After treatment with 10.0mg of the new spongy material, 0.001mg of mercury remained in the contaminated water...

  Define kinetic energy

Make a rough sketch showing how the following properties of a baseball depend on time, from the moment it is hit high into left field to the time it is caught by the outfielder. You may neglect the effects of friction!

  Name the principal enzymes taking part in this

lab handout - the chemistry of winemaking the biosynthesis of ethanol.1. by using yeast can glucose and fructose be

  State oleum or fuming sulfuric acid availble commerically

Oleum or fuming sulfuric acid availble commerically in concentrations ranging from 20 to 99% sulfur trioxide. 1. What is the percentage by mass of sulfer trioxide (SO3)

  Explain what percentage of the original mass remains

What percentage of the original mass remains in a radioactive sample after two half-lives have passed. After three half-lives. After 3.5 half-lives

  Long cylindrical glass tube

A 10.0cm long cylindrical glass tube, sealed at one end, is filled with ethanol. The mass of ethanol needed to fill the tube is found to be 11.48g . The density of ethanol is 0.789 g/mL.

  Explain how much corn syrup and how much water

How much corn syrup and how much water would you need to combine to create 500 ml of 10% corn syrup solution? Explain

Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd