[Drying] After drying, a batch of leather is found to weigh 450 kg and to contain 7% moisture (db). During drying, the leather lost 59.1 % of its original weight when wet. Calculate: a) % of bone-dry leather in the original stock b) Number of kg of water removed/kg bone dry leather c) % of water removed based on water originally present.
[Drying] After drying, a batch of leather is found to weigh 450 kg and to contain 7% moisture (db). During drying, the leather lost 59.1 % of its original weight when wet. Calculate: a) % of bone-dry leather in the original stock b) Number of kg of water removed/kg bone dry leather c) % of water removed based on water originally present.
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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Question
please answer the drying problem
![2. [Mixing] Chlorine gas containing 2.4% O2 is flowing through an earthenware pipe. The gas
flow is measured by introducing air into it at the rate of 3.25 m/min and further down the
line, after mixing is complete, removing a sample of the gas for analysis. The gas is now found
to contain 10.85% O2. How many m/min of the gas were flowing through the pipe?
[Drying] After drying, a batch of leather is found to weigh 450 kg and to contain 7% moisture
(db). During drying, the leather lost 59.1% of its original weight when wet. Calculate: a) % of
bone-dry leather in the original stock b) Number of kg of water removed/kg bone dry leather
c) % of water removed based on water originally present.
[Crystallization] A hot solution containing 35% MgSO4 and 65% H2O is cooled to 15°C. During
cooling, 4% of the total water in the system evaporates. How many kg of Epsom salt crystals,
MgSO4.7H20 are obtained per metric ton of the original mixture? Solubility of MgSO4 at 15°C
is 0.245 parts MgsO4 per part solution.
Topic : Material Balance without Chemical Reactions (Single Unit)](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fe756690f-93aa-4d3b-ad64-357dc541b956%2F54a809a1-af62-425a-956f-1ff1ee77fe64%2Fnqfywd8_processed.png&w=3840&q=75)
Transcribed Image Text:2. [Mixing] Chlorine gas containing 2.4% O2 is flowing through an earthenware pipe. The gas
flow is measured by introducing air into it at the rate of 3.25 m/min and further down the
line, after mixing is complete, removing a sample of the gas for analysis. The gas is now found
to contain 10.85% O2. How many m/min of the gas were flowing through the pipe?
[Drying] After drying, a batch of leather is found to weigh 450 kg and to contain 7% moisture
(db). During drying, the leather lost 59.1% of its original weight when wet. Calculate: a) % of
bone-dry leather in the original stock b) Number of kg of water removed/kg bone dry leather
c) % of water removed based on water originally present.
[Crystallization] A hot solution containing 35% MgSO4 and 65% H2O is cooled to 15°C. During
cooling, 4% of the total water in the system evaporates. How many kg of Epsom salt crystals,
MgSO4.7H20 are obtained per metric ton of the original mixture? Solubility of MgSO4 at 15°C
is 0.245 parts MgsO4 per part solution.
Topic : Material Balance without Chemical Reactions (Single Unit)
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