Example 4.9. In the production of ammonia (NH3) according to the following chemical reaction: N2 + 3H2 2NH3 the feed containing 100 g of N2, 50 g of H2 and 5 g of NH3 is fed into the reactor. The amount of mass of NH3 at the end of the operation is 90 g. Determine the extent of reaction. The extent of reaction can be calculated from any species. In this Example, since the data of NH3 are available, we shall compute the extent of reaction from the information of NH3. The # of moles of NH3 at the initial and final states can be computed as follows: The stoichiometric coefficient of NH3 for the "balanced" chemical reaction is +2. Thus, the extent of

Introduction to Chemical Engineering Thermodynamics
8th Edition
ISBN:9781259696527
Author:J.M. Smith Termodinamica en ingenieria quimica, Hendrick C Van Ness, Michael Abbott, Mark Swihart
Publisher:J.M. Smith Termodinamica en ingenieria quimica, Hendrick C Van Ness, Michael Abbott, Mark Swihart
Chapter1: Introduction
Section: Chapter Questions
Problem 1.1P
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Example 4.9. In the production of ammonia (NH3) according to the following chemical
reaction:
N2 + 3H2 2NH3
the feed containing 100 g of N2, 50 g of H2 and 5 g of NH3 is fed into the reactor. The
amount of mass
of NH3 at the end of the operation is 90 g. Determine the extent of reaction.
The extent of reaction can be calculated from any species. In this Example, since the
data of NH3 are
available, we shall compute the extent of reaction from the information of NH3.
The # of moles of NH3 at the initial and final states can be computed as follows:
The stoichiometric coefficient of NH3 for the "balanced" chemical reaction is +2. Thus,
the extent of
reaction can be calculated using Eq. 4.13 as follows
Transcribed Image Text:Example 4.9. In the production of ammonia (NH3) according to the following chemical reaction: N2 + 3H2 2NH3 the feed containing 100 g of N2, 50 g of H2 and 5 g of NH3 is fed into the reactor. The amount of mass of NH3 at the end of the operation is 90 g. Determine the extent of reaction. The extent of reaction can be calculated from any species. In this Example, since the data of NH3 are available, we shall compute the extent of reaction from the information of NH3. The # of moles of NH3 at the initial and final states can be computed as follows: The stoichiometric coefficient of NH3 for the "balanced" chemical reaction is +2. Thus, the extent of reaction can be calculated using Eq. 4.13 as follows
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