When heated, Iithium reacts witn nitrogen to form litnium nitride: 6Liisst Ng!g) 2 Lig Nis) alg)→2 LigNis) What is the theoretical yeild of LizN when 18.89 of Li Is heated With 34.9G 'of N2? 3sigfig ingrams of Li IS neated with 3y.
When heated, Iithium reacts witn nitrogen to form litnium nitride: 6Liisst Ng!g) 2 Lig Nis) alg)→2 LigNis) What is the theoretical yeild of LizN when 18.89 of Li Is heated With 34.9G 'of N2? 3sigfig ingrams of Li IS neated with 3y.
Chemistry
10th Edition
ISBN:9781305957404
Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Chapter1: Chemical Foundations
Section: Chapter Questions
Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...
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Transcribed Image Text:When heated, Iithium reacts witn nitrogen to
form litnium nitride:
6Liisst Ng!g) 2 Lig Nis)
alg)→2 LigNis)
What is the theoretical yeild of LizN
when 18.89 of Li Is heated With 34.9G 'of N2?
3sigfig
ingrams
of Li IS neated with 3y.
Expert Solution

Step 1
given the mass of Li(s) = 12.8 g
molar mass of Li = 6.94 g/mol
=> moles of Li = 12.8 g * (1 mol/6.94 g) = 1.84438 mol
given the mass of N2 = 34.9 g
molar mass of N2 = 28.01 g/mol
=> moles of N2 = 34.9 g * (1 mol/28.01 g) = 1.246 mol
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