Ask Question, Ask an Expert

+61-413 786 465

info@mywordsolution.com

Ask Chemistry Expert

In a particular sample, the C13 NMR spectrum showed a signal 25ppm and another signal at 72.3 ppm. if the reference frequency for C13 on the instrument were 25.1 MHz what is the difference between the frequency of each signal and the reference frequency?

Chemistry, Academics

  • Category:- Chemistry
  • Reference No.:- M9871425

Have any Question?


Related Questions in Chemistry

A 1526 g sample of a polymer dissolved in 100 l of a

A 1.526 g sample of a polymer dissolved in 1.00 L of a benzene solution at 22°C has an osmotic pressure of 4.52 x 10-2 atm. What is the molar mass of thepolymer?

A student finds that the mass of an object is 662 kg she is

A student finds that the mass of an object is 6.62 kg. She is told that her measurement has an error of 12.3%. What is the true mass (in kg) of the object?

What will happen if i decide to test the solubility of

What will happen if I decide to test the solubility of sodium chloride in ethanol which is less polar than water.

How many formula units ofnbspna2so4are present in

How many formula units of Na2SO4are present in a 450 gram sample of the salt? Use 6.022×1023mol-1 or Avogadro's number. Report your answer in scientific notation. Your answer should have two significant figures.

Consider two acids hcn and Consider two acids HCN and HNO2:                     

Consider two acids HCN and HNO2:                      HNO2   +   H2O      NO2-    +   H3O+ Ka = 5.1 x 10-4          HCN   +   H2O        CN-     +  H3O+   Ka = 2.1 x 10-9  Which of the following statements is/are true? A ...

What would be the effect on our body chemistry if large

What would be the effect on our body chemistry if large numbers of enzymes were to become malformed and how do they become malformed?

Anbsp4260nbspgram sample of a hydrate ofnbspbai2nbspwas

A  42.60  gram sample of a hydrate of  BaI 2  was heated thoroughly in a porcelain crucible, until its weight remained constant. After heating,  39.01  grams of the dehydrated compound remained. What is the formula of th ...

A chem major obtains a high-paying summer job and is given

A Chem major obtains a high-paying summer job and is given the task of determining the ethanol content (in vol %) of a commercial mouthwash sample. she decides to use gas chromatography because the experiment was so much ...

Q1 in your gravimatric analysis experiment you weigh the

Q1: In your gravimatric analysis experiment, you weigh the precipitate of AgCl in a filtering crucible. You have to weight your filtering crucible first (three weighing measurement), then do the filtration. After drying ...

Consider the following reactionco h2 ltgt ch3oha reaction

Consider the following reaction: CO + H2 CH3OH A reaction mixture in a 5.18 L flask at a certain temperature contains 26.8 g CO and 2.36 g H2 . At equilibrium, the flask contains 8.67 g CH3OH. Calculate the equilibrium c ...

  • 4,153,160 Questions Asked
  • 13,132 Experts
  • 2,558,936 Questions Answered

Ask Experts for help!!

Looking for Assignment Help?

Start excelling in your Courses, Get help with Assignment

Write us your full requirement for evaluation and you will receive response within 20 minutes turnaround time.

Ask Now Help with Problems, Get a Best Answer

Why might a bank avoid the use of interest rate swaps even

Why might a bank avoid the use of interest rate swaps, even when the institution is exposed to significant interest rate

Describe the difference between zero coupon bonds and

Describe the difference between zero coupon bonds and coupon bonds. Under what conditions will a coupon bond sell at a p

Compute the present value of an annuity of 880 per year

Compute the present value of an annuity of $ 880 per year for 16 years, given a discount rate of 6 percent per annum. As

Compute the present value of an 1150 payment made in ten

Compute the present value of an $1,150 payment made in ten years when the discount rate is 12 percent. (Do not round int

Compute the present value of an annuity of 699 per year

Compute the present value of an annuity of $ 699 per year for 19 years, given a discount rate of 6 percent per annum. As