100kg/hr water is heated from 25°C to 200°C. Steam enters at 500kPa and 973.15Kand leaves at 300kPa and 773.15K.ComponentMelting T (K)Boiling T (K) AHfusion (kJ/gmol) AHvap (kJ/gmol)water273.16373.156.00940.65MMT range273-3730-1500ComponentCp = J/gmol(K or °C)waterLiquid18K18.2947.21vapour33.460.688Sketch a graphical representation of phase changes of water and calculatea) The enthalpy change of water in kJ/hrb) The mass flow rate of the heating medium in kg/hrstatebT x 10

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100kg/hr water is heated from 25 C to 200 C. Steam enters at 500kPa and 973.15K and leaves at 300kPa and 773.15K.

Chemistry

10th Edition

ISBN:9781305957404

Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Chapter1: Chemical Foundations

Section: Chapter Questions

Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...

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Question

100kg/hr water is heated from 25°C to 200°C. Steam enters at 500kPa and 973.15K
and leaves at 300kPa and 773.15K.
Component
Melting T (K)
Boiling T (K) AHfusion (kJ/gmol) AHvap (kJ/gmol)
water
273.16
373.15
6.009
40.65
MM
T range
273-373
0-1500
Component
Cp = J/gmol(K or °C)
water
Liquid
18
K
18.29
47.21
vapour
33.46
0.688
Sketch a graphical representation of phase changes of water and calculate
a) The enthalpy change of water in kJ/hr
b) The mass flow rate of the heating medium in kg/hr
state
bT x 10

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