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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Question

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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