A Pennsylvania bituminous coal is analyzed as follows: Exactly 2.500 g is weighed into a fused crucible. After drying for 1h at 110⁰ C, the moisture – free residue weighs 2.145 g. The crucible is next covered with a vented lid and strongly heated until no volatile matter remains. The residual coke button weighs 1.528 g. The crucible is then heated without the cover until all specks of carbon have disappeared, and the final ash weighs 0.245 g. What is the percent of FC in the coal? (Round to four decimal places)
A Pennsylvania bituminous coal is analyzed as follows: Exactly 2.500 g is weighed into a fused crucible. After drying for 1h at 110⁰ C, the moisture – free residue weighs 2.145 g. The crucible is next covered with a vented lid and strongly heated until no volatile matter remains. The residual coke button weighs 1.528 g. The crucible is then heated without the cover until all specks of carbon have disappeared, and the final ash weighs 0.245 g. What is the percent of FC in the coal? (Round to four decimal places)
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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A Pennsylvania bituminous coal is analyzed as follows: Exactly 2.500 g is weighed into
a fused crucible. After drying for 1h at 110⁰ C, the moisture – free residue weighs 2.145
g. The crucible is next covered with a vented lid and strongly heated until no volatile
matter remains. The residual coke button weighs 1.528 g. The crucible is then heated
without the cover until all specks of carbon have disappeared, and the final ash
weighs 0.245 g. What is the percent of FC in the coal? (Round to four decimal places)
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