Quiz 3 3-3-06

Quiz 3 3-3-06 - a) NO is oxidized to NO 2 b) Hydrocarbons...

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Question 1. A catalyst the works in our bodies to help in the digestion of foods for aerobic oxidation is called a)A vitamin b)An essential element c)A protein d)An enzyme e)RNA
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Question 2. Which of the following chemical species is responsible for protecting us from harmful ultraviolet radiation from the sun a)NO 2 b)O 3 c)CCl 2 F 2 d)CO 2 e)Cl
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Question 3. Which of the following chemical species has been shown to be a catalyst for a process that indirectly leads to an increase in skin cancer? a) Cl b) Ar c) F 2 d) C e) H 2
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Question 4 Which of the following statements describes a process that occurs in the catalytic converter of the exhaust system of automobiles
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Unformatted text preview: a) NO is oxidized to NO 2 b) Hydrocarbons in gasoline are oxygenated to form alcohols c) Oxygen is combined with hydrogen to form water d) CO is converted to C and O 2 e) None of the above Question 5. 2 NO + 2 H 2 → N 2 + 2 H 2 O This is a proposed mechanism for the above reaction Step One: 2NO → N 2 O 2 slow Step Two: N 2 O 2 + H 2 → N 2 O + H 2 O fast Step Three: N 2 O + H 2 → N 2 + H 2 O fast Which of the following rate laws is consistent with this mechanism? a) Rate = k[NO] 2 [H 2 ] b) Rate = k[NO][H 2 ] 2 c) Rate = k[NO][H 2 ] d) Rate = k[NO] 2 e) Rate = k[H 2 ] 2...
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This note was uploaded on 08/06/2008 for the course CHEM 1B taught by Professor Watts during the Winter '08 term at UCSB.

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Quiz 3 3-3-06 - a) NO is oxidized to NO 2 b) Hydrocarbons...

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