How much energy is evolved/absorbed (answer is  ___________ ) when 444 g of NBr3 is produced ?

Chemistry & Chemical Reactivity
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ISBN:9781133949640
Author:John C. Kotz, Paul M. Treichel, John Townsend, David Treichel
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Chapter5: Principles Of Chemical Reactivity: Energy And Chemical Reactions
Section: Chapter Questions
Problem 43PS: Sulfur (2.56 g) was burned in a constant-volume calorimeter with excess O2(g). The temperature...
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How much energy is evolved/absorbed (answer is  ___________ ) when 444 g of NBr3 is produced ?

 N2   +   3 Br2   →   2 NBr3   +   44.0 kJ             

The molar mass of NBr3 is 253.719 g

                       _____________ mol NBr3                                                                                   

(444 g NBr3)(–––––––––––––––––––––––––)  =  ______________  mol NBr3

                      ___________________  g NBr3   

                                                                                       

                                                         _________________ kJ   

 ________________ mol NBr3 (–––––––––––––––––––––––––––––) =  ____________________ kJ

                                                          _________________ mol NBr3 

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