Download EXAM 007534RR Acids, Bases, and Redox Reactions

EXAM 007534RR Acids, Bases, and Redox Reactions
1. A. cathode to the anode; anode to the cathode
2. Multiple choices missing
3. A. Acids, which have higher concentrations of hydronium ions than bases, are found
from 0 and up to 7.
4. A. oxygen; prevent
5. B. Lightning
6. A. A great deal of heat must be absorbed by water to break hydrogen bonds and allow
molecules to move farther apart.
7. B. a higher concentration of unionized acid molecules than a strong acid in water.
8. B. Cohesion is exhibited as water molecules are attracted to the molecules in the glass.
9. C. the salt breaks into positive chlorine ions and negative sodium ions.
10. D. high specific heat.
11. C. atoms must not be able to closely approach the hydrogen.
12. B. Three
13. B. None
14. C. Lithium is more easily oxidized than any other metal.
15. C. Oxidation comes before reduction.
16. C. oxidation; reduction
17. D. Covalent substances don't dissociate into charged particles.
18. C. Cl2
19. B. NADPH and ATP
20. B. natural sources.
EXAM 007535RR Organic, Biological, and Nuclear Chemistry
1. D. requires oxygen.
2. A. The amount of work obtained from a process never has work needing to go into it.
3. D. All polysaccharides are made up of carbon, hydrogen, and oxygen.
4. D. beginning numbering at the end farther from the first branch.
5. C. Protein and amino acids
6. C. thermosetting polymer.
7. A. They are all built on a four-ring structure
8. C. 6 percent
9. D. Products are favored.
10. D. DNA and RNA are made up of repeating nucleotides.
11. A. Ethers
12. A. Technetium-99m
13. C. Ethyne
14. A. their solubility in water and fat.
15. C. Carbon dioxide is a reactant.
16. A. An exothermic reaction; an increase in entropy; at any temperature
17. B. maintaining the protein's shape.
18. B. NADPH and ATP
19. D. NADH—electron carrier
20. B. natural sources.