June 2011 Chemistry Regents #73

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Questions 1-10 Questions 11-20 Questions 21-30 Questions 31-40 Questions 41-50 Question 51 Questions 52-54 Questions 55-59 Questions 60-61 Questions 62-63 Questions 64-65 Questions 66-68 Questions 69-70 Questions 71-73 Questions 74-76 Questions 77-79 Questions 80-82 Questions 83-85

Questions

Base your answers to questions 71 through 73  on the information below. In 1864, the Solvay process was developed to make soda ash. One step in the process is represented by the balanced equation below. NaCl + NH3 + CO2 + H2O → NaHCO3 + NH4Cl 73. In the space in your answer booklet, draw a Lewis electron-dot diagram for the reactant containing nitrogen in the equation. [1]   on to Questions 74-76

Questions 1-10 Questions 11-20 Questions 21-30 Questions 31-40 Questions 41-50 Question 51 Questions 52-54 Questions 55-59 Questions 60-61 Questions 62-63 Questions 64-65 Questions 66-68 Questions 69-70 Questions 71-73 Questions 74-76 Questions 77-79 Questions 80-82 Questions 83-85

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