Sample3 - Sample Chemistry 112 Final Exam Questions Part I-...

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1 Sample Chemistry 112 Final Exam Questions Part I- Multiple Choice 1. If we should "run out of aluminum" someday, it would be because we had a) destroyed too much Al b) drunk too much beer c) scattered Al too widely d) converted too much Al to another metal 2. Of the following, who is least likely to develop a case of spongiform encephalopathy? a) an English cow b) a cannibal c) an IV drug user d) a human growth hormone recipient 3. All of the following might form +3 ions except a) Se b) Co c) Al d) Cr 4. The three-dimensional structures of DNA is the result of a) covalent bonds between chains b) hydrogen bonds between chains c) ionic bonds between chains d) interactions that are not well understood 5. Which of the following is not true of DNA profiling? a) RFLP’s are the result of differences in non-coding DNA between individuals. b) Sufficient DNA can be isolated from an envelope flap to conduct DNA profiling. c) It is useless to distinguish between identical twins. d) Sequencing of DNA from human remains found in Siberia conclusively proved that “Anna Anderson” could not have been the Princess Anastasia Romanov. 6. The specificity of enzyme catalysis is often described as the a) ball and chain mechanism b) lock and key mechanism c) roller coaster mechanism d) kinetic energy mechanism 7. The element with the ground state electron configuration 1s 2 2s 2 2p 4 is a) nitrogen b) carbon c) oxygen d) sulfur 8. When calcium reacts with chlorine, the reaction involves a) transfer of electrons from Ca to Cl b) transfer of electrons from Cl to Ca c) formation of new hydrogen bonds d) equal sharing of electrons 9. The molar mass of magnesium fluoride is a) 43.3 g/mole b) 86.6 g/mole c) 67.6 g/mole d) 62.3 g/mole 10. Which of the following is not true? a) Atoms of the same element can have different numbers of neutrons b) Atoms of the same element can have different numbers of protons c) Atoms of the same element can have different atomic masses d) Atoms of two different elements can have the same number of neutrons
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2 11. All of the following sets of elements would exhibit similar chemistry within the set except a) Fe, Ru, Os b) Na, K, Cs c) Pd, Ag, Cd d) I, Br, F 12. The burning of butane, C 4 H 10 , in a cigarette lighter yields only carbon dioxide and water. How many moles of O 2 are required to burn 1 mole of butane? a) 13 b) 10 c) 9 d) 13/2 13. The inertness of the noble gases is due to the a) unique structure of their nuclei b) special number of protons and neutrons c) number and arrangement of their electrons d) bonds they form with other elements 14. Which of the following solutions would be the least acidic? a) pH = 6 b) turns litmus blue c) tap water d) H + concentration= 1 x 10 -1 moles/liter 15. The compound CH 3 NH 2 reacts with water to form CH 3 NH 3 + and OH - . In this reaction CH 3 NH 2 acts as a(n) a) acid b) base c) salt d) catalyst 16. Set point theory involves a) the prediction of optimum muscle composition based on diet
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Sample3 - Sample Chemistry 112 Final Exam Questions Part I-...

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