CHEM 210 MODULE 1 PROBLEM – WITH 100 % CORRECT ANSWERS
1. are three ways that biochemists study biological organisms? Biochemists study 1) the relationship between structure and function of biomolecules, 2) chemical reactions of organisms (metabolism), and 3) communication within and among o...
CHEM 210 MODULE 1 PROBLEM – WITH
100 % CORRECT ANSWERS
1. are three ways that biochemists study biological organisms? Biochemists
study 1) the relationship between structure and function of
biomolecules, 2) chemical reactions of organisms (metabolism), and 3)
communication within and among organisms.
2. What is the definition of biochemistry?
Often referred to as the chemistry of life, biochemistry asks how the remarkable
properties of organisms relate to their molecules.
3. What is another name for firefly?
lightning bug
4. Is Li an element common in biological organisms?
No
5. What is known as the “medium of life”?
Water
6. What is the bond angle associated with trigonal pyramidal shape?
107.5 degrees
7. Are transition metals commonly found in biological organisms?
Yes
8. True or false: Water can make up 85% (by mass) of a living organism.
True. Some plants are made up of 90% water by mass.
9. True or false: Large elements tend to make the strongest covalent bonds.
False. Smaller elements tend to make the strongest bonds due to significant
overlap.
10. Name three bulk elements. Name three trace elements.
Bulk elements (three of these): H, C, N, O, Na, P, S, Cl, K, and Ca
Trace elements: Mg, V, Cr, Mn, Fe, Co, Ni, Cu, Zn, Se, Mo, I, and W.
11. Differentiate between inorganic chemistry and organic chemistry.
Organic chemistry is the study of carbon-based compounds. Inorganic chemistry
is the study of all other elements.
12. Is H2O an organic molecule? How about CO2? C100H202?
Water is not organic; it does not contain carbon. Both CO2 and C100H202 are
organic compounds.
13. The next row of Table 1 would be the 6-carbon alkane, hexane. Write out its
chemical formula and condensed formula.
chemical formula: C6H14 Condensed formula: CH3CH2CH2CH2CH2CH3
14. On your own paper, draw the Kekule structures and line-bond formulas for
both butane and hexane. When you have drawn the structures, enter a note
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