Below are drawn three resonance structures corresponding to a real molecule. Which of these structures would have the lowest estimated energy and thus be weighted the most in describing the molecule? NH I NH II NH III

Q: Draw the structure of a two repeat unit portion of the polymer chain formed from the addition…

A: all details explanation in Handwritten solution.

Q: How does the concentration of a specific analyte affect the reduction peak current in polarography?

A: Introduction:Polarography is an electrochemical technique commonly used for analyzing and…

Q: Please correct answer and step by step solution

A: Step 1: The most commonly used method to identify pigments in cosmetic formulations is:a) HPLC…

Q: How does the X-type zeolite exchange Na+ ions for Co2+ ions (mechanism)?

A:

Q: QUESTION 6 What could be the observe rotation of a 0.84 M solution composed of a sample which has a…

A:

Q: If the coice te aid on of ChrOmuk B 1.0 M, whut is te cell polential n volls at a pH of q.5? to…

A: The cell potential is given by Nernst equation as follows:Ecell = E°cell - 2.303 RTnF log QcEcell =…

Q: When performing gravimetric analysis, ______ is used to obtain larger crystals with fewer…

A: Occlusion - it is a type of coprecipitation impurity. It occurs when absorbed impurity gets…

Q: Hello Sir. Good Evening. I have a question in my home work related materials polimer lesson. The…

A: A polymer matrix with ion conduction properties is a polymer electrolyte. Liquid and solid-state…

Q: Post- assessment Directions: Read and understand the questions below. Choose and encircle the letter…

A:

Q: 16. a) Besides self-interstitial, name and label (with arrows) three (3) point defects shown in the…

A: Point defect : These are the defects which are observed around a single lattice point , these are…

Q: Determine the absorbance if the percent transmission is 40.4 %

A: Given  % Transmission   = 40.4 %  Absorbance        = ? Fraction of Transmission (T) = 40.4100…

Q: In a copper lamp used in Flame Atomic Absorption Spectroscipy, the copper metal inisde is the…

A:

Q: Rinku made a particle reinforced composite with a 5.2 % volume fraction of the matrix phase. What is…

A: The objective of this question is to calculate the maximum possible stiffness that the composite…

Q: Please correct answer and don't use hand rating

A: Part c) Calculate the transmittance given that the absorbance is 0.279. Step 1: Relationship Between…

Q: Please correct answer and don't use hend raiting

A: (a) Advantages and Disadvantages of Using a Narrower Open Tubular ColumnAdvantages:Increased…

Q: Question Four a) The concentration of As(III) in water can be determined by differential pulse…

A: Few questions based on general chemistry that is to be accomplished.

Q: In an anodization experiment, we apply a larger voltage than necessary to: (select all that apply)…

A: In an anodization experiment, applying a larger voltage than necessary can have multiple effects.

Q: Please correct answer and don't use hend raiting

A: 1. Calibration ErrorsCalibration Buffer Inaccuracy: The pH buffers used for calibration might not be…

Q: What is the use of process named Vulcanisation?

A: Vulcanisation is the process of treatment of natural rubber with sulphur.  It also includes…

Q: Which metal will elute from the column first? A)zinc B) Ni.

A: The elution order of metal ions from a column depends on various factors such as the type of resin,…

Quantum Mechanical Treatment of the Valence Bond Theory

Quantum mechanical treatment of valence bond theory refers to the relationship established between the quantum mechanical theory and the valence bond theory to describe the chemical bonding in a particular molecule.