Short Response: Write in complete sentences. “Glamis hath murdered sleep, and therefore Cawdor / Shall sleep no more.  Macbeth shall sleep no more” (lines 55-57).  What does sleep symbolize in this quote and why does Macbeth feel that “sleep” will now be impossible? 

Lady Macbeth’s nature is introduced in lines 45-61.  What specific words and phrases develop her characterization? 

A is a self-addressed speech usually expressing thoughts and feelings. Other characters may or may not be present. 

In the titration of a weak acid HA with 0.100 M NaOH, the stoichiometric point is known to occur at a pH value of approximately 11. Which of the following indicators would be best to use to mark the endpoint of this titration?

What is the pH for a buffer that consists of 0.45 M benzoic acid, C 6H 5COOH and 0.10 M potassium benzoate C 6H 5COOK?  K a of C 6 H 5 COOH = 6.4 x 10 -5

What is the equilibrium constant for the following reaction? N 3 – + H 3O + HN 3 + H 2O The K a value for HN 3 = 1.9 × 10 –5.

Acetic acid, (HC 2H 3O 2) is a weak acid (K a = 1.8  × 10 –5). Calculate the pH of a 12.1 M HC 2H 3O 2 solution.

Consider the reaction HNO 2(aq) + H 2O(l) H 3O +(aq) + NO 2 –(aq). Which species is a conjugate base?

Use the Factor Theorem to find the real zeros of the given polynomial function and one factor.(3×3 – 8×2 +5x +6) ÷(x+1)

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