ELEMENTARY PRINCIPLES OF CHEM. PROCESS.
4th Edition
ISBN: 9781119249214
Author: FELDER
Publisher: INTER WILE
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Chapter 2, Problem 2.37P
Interpretation Introduction
(a)
Interpretation:
The value of vapor pressure at T = 185 °C should be determined by using two-point linear interpolation.
Concept introduction:
Linear interpolation equation,
If the two known values are (x1 , y1 ) and (x2 , y2 ), then the y value for some point x is,
Interpretation Introduction
(b)
Interpretation:
The vapor pressure at 148.2 °C and the percentage error considering given value should be determined along with the reason for expecting the error which is associated with part (a) to be significantly less than part (b).
Concept introduction:
Linear interpolation equation,
If the two known values are (x1, y1) and (x2, y2), then the y value for some point x is,
The formula to calculate percentage error is,
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Technique Report
-Distillation and Boiling Point-
Experiment 1
Experimental determination of ethanol boiling point gives the following results:
Trial
B.P (°C)
1
2
75.6
77.1
76.3
The value for the atmospheric pressure in the laboratory was measured to be 711 mmHg.
1. Determine the corrected boiling point of ethanol. Show your work.
2. Calculate the % error compared to the reported standard value for ethanol boiling point
which is 79.0 °C.
1
3. Discuss two potential reasons that might result in errors in b.p. measurements (please do
not include reasons such as: thermometer not working properly or any other instrumental
errors).
4. In the phase diagram of pure ammonia, NH3, the solid-liquid coexistence line can be
expressed as
P = 69.1-T – 13503 solid-liquid coexistence line
|
and the liquid-vapor coexistence line can be expressed as
P = 7.642x10-4.T² – 0.3183-T+ 33.4
liquid-vapor coexistence line
where pressures are given in units of atm and temperatures are in units of K.
The triple point of the ammonia phase diagram has a temperature of
a. Tự = 197.2 K
b. Tự = 195.4K
c. Tự = 410.6 K
d. Tự is indeterminate
Chapter 2 Solutions
ELEMENTARY PRINCIPLES OF CHEM. PROCESS.
Ch. 2 - Prob. 2.1PCh. 2 - Prob. 2.2PCh. 2 - Prob. 2.3PCh. 2 - Prob. 2.4PCh. 2 - Prob. 2.5PCh. 2 - Prob. 2.6PCh. 2 - Prob. 2.7PCh. 2 - Prob. 2.8PCh. 2 - Prob. 2.9PCh. 2 - Prob. 2.10P
Ch. 2 - Prob. 2.11PCh. 2 - Prob. 2.12PCh. 2 - Prob. 2.13PCh. 2 - Prob. 2.14PCh. 2 - Prob. 2.15PCh. 2 - Prob. 2.16PCh. 2 - Prob. 2.17PCh. 2 - Prob. 2.18PCh. 2 - During the early part of the 20th century,...Ch. 2 - Prob. 2.20PCh. 2 - Prob. 2.21PCh. 2 - Prob. 2.22PCh. 2 - Prob. 2.23PCh. 2 - Prob. 2.24PCh. 2 - Prob. 2.25PCh. 2 - The Prandtl number, Np,, is a dimensionless group...Ch. 2 - Prob. 2.27PCh. 2 - Prob. 2.28PCh. 2 - Prob. 2.29PCh. 2 - Prob. 2.30PCh. 2 - Prob. 2.31PCh. 2 - Prob. 2.32PCh. 2 - Prob. 2.33PCh. 2 - 2.34. You arrive at your lab at 8 a.m. and add an...Ch. 2 - Prob. 2.35PCh. 2 - Prob. 2.36PCh. 2 - Prob. 2.37PCh. 2 - Prob. 2.38PCh. 2 - Prob. 2.39PCh. 2 - A hygrometer, which measures the amount of...Ch. 2 - Prob. 2.41PCh. 2 - Prob. 2.42PCh. 2 - Prob. 2.43PCh. 2 - Prob. 2.44PCh. 2 - Prob. 2.45PCh. 2 - Prob. 2.46PCh. 2 - Prob. 2.47PCh. 2 - Prob. 2.48PCh. 2 - Prob. 2.49PCh. 2 - Prob. 2.50PCh. 2 - Prob. 2.51PCh. 2 - Prob. 2.52PCh. 2 - Prob. 2.53PCh. 2 - Prob. 2.54PCh. 2 - Prob. 2.55P
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