January 2010 Chemistry Regents #79-81

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

Questions 51-52 Questions 53-55 Questions 56-57 Questions 58-60 Questions 61-63 Questions 64-65 Questions 66-68 Questions 69-71 Questions 72-75 Questions 76-78 Questions 79-81 Questions 82-84

 

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Questions

Base your answers to questions 79 through 81 on the information below.

Hydrocarbons and fissionable nuclei are among the sources used for the production of energy in the United States. A chemical reaction produces much less energy than a nuclear reaction per mole of reactant.

The balanced chemical equation below represents the reaction of one molecule of a hydrocarbon with two molecules of oxygen.

The nuclear equation below represents one of the many possible reactions for one fissionable nucleus. In this equation, X represents a missing product.

79 Identify the type of organic reaction represented by the chemical equation. [1]

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combustion

80 On the labeled axes in your answer booklet, draw a potential energy diagram for the reaction of the hydrocarbon with oxygen. [1]

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81 Write an isotopic notation for the missing product represented by X in the nuclear equation. [1]

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144 Ba
56

barium-144

On to Questions 82-84

 

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

Questions 51-52 Questions 53-55 Questions 56-57 Questions 58-60 Questions 61-63 Questions 64-65 Questions 66-68 Questions 69-71 Questions 72-75 Questions 76-78 Questions 79-81 Questions 82-84

 
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