2 NH3(e) + N2e) + 3H2e) ne reaction for the decomposition of ammonia (NH3) can be written as shown. If a student starts with 21.7 g of NH3, how many grams of hydrogen (H,) gas will be produced by the reaction? O 1.28 g O 2.55 g O 3.85 g O 32.5 g

2 NH3(e) + N2e) + 3H2e) ne reaction for the decomposition of ammonia (NH3) can be written as shown. If a student starts with 21.7 g of NH3, how many grams of hydrogen (H,) gas will be produced by the reaction? O 1.28 g O 2.55 g O 3.85 g O 32.5 g

World of Chemistry, 3rd edition

3rd Edition

ISBN:9781133109655

Author:Steven S. Zumdahl, Susan L. Zumdahl, Donald J. DeCoste

Publisher:Steven S. Zumdahl, Susan L. Zumdahl, Donald J. DeCoste

Chapter9: Chemical Quantities

Section: Chapter Questions

Problem 5STP

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Stoichiometry

Stoichiometry is a chemical division that evaluates the quantitative content of the chemical process with the help of the reacting molecules or products taking part in the reaction. The term “stoicheion” in “Stoichiometry”, is an old Greek term for "element" whereas “metron” means "measure".

Question

2 NH3(3) → N2e) + 3H2
5)
The reaction for the decomposition of ammonia (NH) can be written as shown. If a student starts with 21.7 g of NH3, how many grams of hydrogen (H,) gas will be produced by the reaction?
O 128 g
O 2.55g
O 3.85 g
O32.5 g

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