January 2009 Chemistry Regents #62-64

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Questions 1-10 Questions 11-20 Questions 21-30 Questions 31-40 Questions 41-50

Questions 51-53 Questions 54-55 Questions 56-58 Questions 59-61 Questions 62-64 Questions 65-66 Questions 67-68 Questions 69-71 Questions 72-74 Questions 75-77 Questions 78-79 Questions 80-81

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Questions

Base your answers to questions 62 through 64 on the information below.

62 In the space in your answer booklet, draw a structural formula for butane. [1]

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63 At standard pressure and 298 K, which alkane is a liquid? [1]

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pentane

C5H12

64 What is the boiling point of propane at 1 atmosphere, in kelvins? [1]

231K

(K= -42+273)

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