According to the experiments, the change in entropy of 200 g of water when heated from an unknown temperature to 90 ⁰C at constant pressure is 250 J/K. Cp of water, assumed to be constant throughout the process, is 4.186 J/g-K. Determine the initial density of water (in kg/m³) before it was being heated. Density of water at different temperatures is presented (use this table only). Answer Format: [2 decimals]
According to the experiments, the change in entropy of 200 g of water when heated from an unknown temperature to 90 ⁰C at constant pressure is 250 J/K. Cp of water, assumed to be constant throughout the process, is 4.186 J/g-K. Determine the initial density of water (in kg/m³) before it was being heated. Density of water at different temperatures is presented (use this table only). Answer Format: [2 decimals]
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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According to the experiments, the change in entropy of 200 g of water when heated from an unknown temperature to 90 ⁰C at constant pressure is 250 J/K. Cp of water, assumed to be constant throughout the process, is 4.186 J/g-K. Determine the initial density of water (in kg/m³) before it was being heated. Density of water at different temperatures is presented (use this table only).
Answer Format: [2 decimals]
Transcribed Image Text:Temperature (°C)
Density (kg/m³)
100
958.4
80
971.8
60
983.2
40
992.2
30
995.65
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