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Midterm

solution is an image format

Home Work 1_16631473...
James Baldwin’s “Sonny’s Blues” narrates the story of Sonny, who goes to jail for drug dealing after being denied his passion for music. In the opening events of the story, the unnamed narrator finds...

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Test 3B

Test 3B

Q Question 1 0.5 / 0.5 pts Match the functional groups in these molecules (compounds A-E) to the appropriate classification. Question 2 0.5 / 0.5 pts Identify the following substances as acidic, basic, or neutral. Question 3 0.5 / 0.5 pts Determine the relationship between the following pairs of compounds. Question 4 0.5 / 0.5 pts Match the description to the acid (A-E). Name Acid pKa A. oxalic acid H2C2O4 1.19 B. citric acid H3C6H5O7 3.08 C. acetic acid HC2H3O2 4.74 D. carbonic acid H2CO3 6.37 E. boric acid H3BO3 9.24 Question 5 0.3 / 0.5 pts Match the situation or pH to the [H+]. A) [H+] = 1 x 10-12 B) [H+] = 1 x 10-8.4 C) [H+] = 1 x 10-7 D) [H+] = 1 x 10-5.6 E) [H+] = 1 x 10-2 Question 6 0.5 / 0.5 pts Match the following compounds to the names.

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1.Compound 1 Correct! Compound 2 Correct! Compound 3 Correct! Compound 4 Correct! Compound 5 2.Smelling salts (aqueoust NH3 ) Correct! Tums (CaCO3 and Mg(OH)2) Correct! Washing Soda (Na2CO3) Correct! Sour Grass (contains H2C2O4) Correct! Sweet and Sour Sauce (Sugar and vinegar) 3.trans-2-heptene and cis-3-heptene Correct! trans-2-heptene and cis-2-heptene Correct! cyclohexane and 1-hexene Correct! trans-2-heptene and trans-2-hexene Correct! 2-propanone and acetone 4.Weakest acid Correct! Strongest Acid Correct! Monoprotic acid Correct! Equal amounts of acid and conjugate base has a pH near 9. Correct! It could be used to make a buffer with a pH of 3. 4.0.01 M NaOH in water Correct Answer A Correct! pH = 12 (oven cleaner) Correct! pH = 2 (lemon juice)