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2. Calculate the weight in lbf of a 25.0-lbm object

2. Calculate the weight in lbf of a 25.0-lbm object

Introduction to Chemical Engineering Thermodynamics
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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Answer 2-3
Practice Problems 1. Express a pressure of 2.00 x 105 Pa in terms of (i) mm Hg and (ii) lbfi/in² (lbfi/square in) 2. Calculate the weight in lbf of a 25.0-lbm object 3. A mixture is 10.0 mole % methyl alcohol. 75.0 mole % methyl acetate (C³H6O₂), and 15.0 mole % acetic acid. (i) Calculate the mass fraction of each compound, (ii) Calculate the average molar mass (average molecular weight) of the mixture 4. Given that the molar mass of sulfuric acid is 98.08 g/mol, calculate the molarity of 98% sulfuric acid by mass concentrated acid solution with specific gravity of SG = 1.84 5. For the general balance equation under what conditions will the balance take the simple form "input = output" for volume or volumetric flow. Give examples.
Transcribed Image Text:Practice Problems 1. Express a pressure of 2.00 x 105 Pa in terms of (i) mm Hg and (ii) lbfi/in² (lbfi/square in) 2. Calculate the weight in lbf of a 25.0-lbm object 3. A mixture is 10.0 mole % methyl alcohol. 75.0 mole % methyl acetate (C³H6O₂), and 15.0 mole % acetic acid. (i) Calculate the mass fraction of each compound, (ii) Calculate the average molar mass (average molecular weight) of the mixture 4. Given that the molar mass of sulfuric acid is 98.08 g/mol, calculate the molarity of 98% sulfuric acid by mass concentrated acid solution with specific gravity of SG = 1.84 5. For the general balance equation under what conditions will the balance take the simple form "input = output" for volume or volumetric flow. Give examples.
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