d) The partial pressure of methane when the total pressure is 1.4 x105 Pa e) The mass fraction of carbon dioxide in parts per million by weight

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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d) and (e)

Liquefied natural gas, LNG, is to be shipped from the Alaskan Kenai Peninsula by an
ocean carrier to processing plant on Yaquina Bay, Oregon. The molar composition of the
commercial LNG is
LNG composition
Mw (g/mol)
% jou
Methane, CH4
93.5
Ethane, C2H6
30
Propane, CSH8
1.2
Carbon dioxide, CO2
0.7
44
Determine
a) The weight fraction of ethane
b) The average molecular weight of the LNG mixture
c) The density of the gas mixture when heated to 207 K and at 1.4 x105 Pa
d) The partial pressure of methane when the total pressure is 1.4 x105 Pa
e) The mass fraction of carbon dioxide in parts per million by weight
Question 2
101
Ammonia gas is diffusing through N2 under steady state conditions with N2 ng
since it is insoluble in one boundary. The total pressure is 0.1013 MPa and the
81
F10
F11
F12
PrtSc
Pause
Transcribed Image Text:Liquefied natural gas, LNG, is to be shipped from the Alaskan Kenai Peninsula by an ocean carrier to processing plant on Yaquina Bay, Oregon. The molar composition of the commercial LNG is LNG composition Mw (g/mol) % jou Methane, CH4 93.5 Ethane, C2H6 30 Propane, CSH8 1.2 Carbon dioxide, CO2 0.7 44 Determine a) The weight fraction of ethane b) The average molecular weight of the LNG mixture c) The density of the gas mixture when heated to 207 K and at 1.4 x105 Pa d) The partial pressure of methane when the total pressure is 1.4 x105 Pa e) The mass fraction of carbon dioxide in parts per million by weight Question 2 101 Ammonia gas is diffusing through N2 under steady state conditions with N2 ng since it is insoluble in one boundary. The total pressure is 0.1013 MPa and the 81 F10 F11 F12 PrtSc Pause
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