Isotopic substitution changes the rotational energy levels of a molecule. This phenomenon can be used for precise evaluation of the atomic weight of isotopes. The first line (J = 0) in the pure rotational spectrum of 12C160 and 13C160 are found to be 3.84235 and 3.67337 cm-1, respectively. Calculate the precise atomic weight of 13C given that the precise atomic weight of 160 is 15.9994 and that of 12C is 12.011. (Consider the molecules as rigid rotor and isotopic substitution does not affect the bond length).

Isotopic substitution changes the rotational energy levels of a molecule. This phenomenon can be used for precise evaluation of the atomic weight of isotopes. The first line (J = 0) in the pure rotational spectrum of 12C160 and 13C160 are found to be 3.84235 and 3.67337 cm-1, respectively. Calculate the precise atomic weight of 13C given that the precise atomic weight of 160 is 15.9994 and that of 12C is 12.011. (Consider the molecules as rigid rotor and isotopic substitution does not affect the bond length).

Chemistry

10th Edition

ISBN:9781305957404

Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Chapter1: Chemical Foundations

Section: Chapter Questions

Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...

See similar textbooks

Similar questions

help please answer in text form with proper workings and explanation for each and every part and steps with concept and introduction no AI no copy paste remember answer must be in proper format with all working
True or False Electrolytes can affect the vapor pressure of the solvent by lowering it.
1) What is meaning of the ionization constant and the degree of ionization? And what is the advantage from them? 2) Discusses the graph that practically got it. 3) What is the advantage of using standard solution? And why? And can another solution be used? 4) What is Ostwald's dilution law, and its applications? 5) What happen when the concentration approaches to zero in Ostwald's dilution law? 6) Why did the Arrhenius equation fail to explain the conductivity of concentrated solutions of completely ionized electrolytes? 7) What is the principle of conductivity meter?
Please help me find weight percentage of the unknown solution, Thank you in advance Data attached below: Data of unknown NaCl solution (by weight) weight of weighing bottle and solution: 34.91g weight of weighing bottle: 23.91g weight of the solution: 11.00g Initial buret reading 33.28ml Final buret reading: 43.26ml The volume of the solution; 9.98 ml The density of solution: 1.10 Weight % of unknow solution: ?
NaOH was standardized with 0.5 g potassium acid phthalate. At endpoint, 24.20 mL NaOH solution was used. Calculate the normality of NaOH. This NaOH solution was used to titrate 25.00 mL HCl solution. Exactly 27.30 mL was used to reach the endpoint. Calculate the normality of HCl.
Why must the following analysis be conducted in bodies of water? c. Total hardness
2 and 3 please
Outline a brief procedure for making a diluted solution from a concentrated stock solution. Be specific with the name of glassware you would use.
Give detailed Solution..don't give Handwritten answer
If 31.0 mLmL of a 0.200 NN acid solution is needed to reach the end point in titration of 24.5 mLmL of a base solution, what is the normality of the base solution?
A solution of HCI is standardized against a sample which has been previously found to contain 71.22% Na2CO3, and no other basic material. The sample weighing 0.5962 g is treated with 32.7 mL of the acid and the excess acid then requires 1.52 mL of NaOH solution. If 1.00 mL of the acid is equivalent to 0.9690 mL of the NaOH, calculate for the normality of each solution.