1. A 50 mL of 0.005 M HCl sample is titrated with 0.010 M NaOH. Find the pH of the solution at following points of the total volume of NaOH added. a. 0 mL b. 10.00 mL of NaOH c. 20.00 mL of NaOH d. 22.50 mL of NaOH e. 27.50 mL of NaOH f. 30.00 mL of NaOH g. 45.00 mL of NaOH

Locate the following peaks by labeling and circling them.

How do you know that the absorption band at ~1100 cm-1 in Figure is due to a C - O bond and not to a C - N bond?

Q-11. Rank these compounds from lowest to highest energy. C(CH3)3 C(CH3)3 (A) I

In each case, assign the correct configuration of R or S, 1 is highest priority, 4 is lowest priority.

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IR spectra OF SOLID UNKNOWN List all the important peaks that can be used to determine the functional groups present in your solid unknown in the table below.    Peak Position cm-1 Peak Characteristics (weak, strong, sharp, broad etc...) Bond type(sp3 C-H, C=C, C-O, O-H, C=O etc...) Functional Group (alkyl, aromatic, aldehyde, alcohol etc...)

Which of the following molecules would you expect to have the most similar R₁ values? Explain why. H A H H B H CH3 CH3 H H OH H H D H H H H

Please answer all A to D with explanation and step by step

Indicate all electrophilic carbon atoms in the following molecule. Be sure to consider both induction and resonance. A oooooo Blc F □A Пс □D E □E □F D CI