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The data from Class A: 70, 80, 60, 90, 50, 70 Professor Smith administers the exam to the second class the scores were as follows: Class B: 68, 70, 71, 69, 70, 72 Using the scores from both classes A and B, answer the following two questions: Which of the following statements is NOT true?

For the reaction, which is the Lewis acid and which is the Lewis base?

A general structure for detergents and soaps are given below. These types of compounds form micelles also shown below. Which statement best explains the mechanism for the cleaning efficiency of a soap or detergent?

Using the provided pKa table, which base(s) can deprotonate methanol (CH3OH) essentially with irreversibility?

Which is the strongest Brønsted acid?

How are compounds A and B best described?

Rank from weakest to strongest Brønsted acid. ©GMU_322480_1

Based on resonance theory, what is the expected carbon-oxygen bond length(s) for the carbonate anion? (C—O bond = 1.43 Å, C=O bond = 1.22 Å)

Describe the following lone pairs on the 3 nitrogen atoms as localized or delocalized.

The discovery of the structure of double-stranded DNA led to the 1962 Nobel Prize in Physiology and Medicine for James Watson, Francis Crick, and Maurice Wilkins. However, DNA can also form a quadruplex structure with guanidines, which is believed to assist in regulating gene transcription. In the quaduplex shown below, what interaction stabilizes the quadruplex structure?