ELEMENTARY PRINCIPLES OF CHEM. PROCESS.
4th Edition
ISBN: 9781119249214
Author: FELDER
Publisher: INTER WILE
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Question
Chapter 2, Problem 2.32P
Interpretation Introduction
(a)
Interpretation:
The units of 3.00 and 2.00 should be determined.
Concept introduction:
A concentration C (mol/L) varies with time (min) according to the equation.
It is assumed that the given equation is valid and therefore dimensionally homogeneous. So, the dimension of the left hand side and right hand side of the equation is equal. In addition, the exp () component is dimensionless.
Interpretation Introduction
(b)
Interpretation:
Suppose the concentration is measured at t=0 and t=1 min. Use two-point interpolation or extrapolation to estimate concentration at t=0.6 min and time at C= 0.1 mol/L.
Concept introduction:
A concentration C (mol/L) varies with time (min) according to the equation.
The two endpoints of a linear graph are assumed to be (x1, y1) and (x2, y2) and extrapolation should be done for the value of the point x, then for extrapolation, the formula is given by,
Interpretation Introduction
(c)
Interpretation:
A curve of C versus t should be sketched.
Concept introduction:
A concentration C (mol/L) varies with time (min) according to the equation.
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(3)
In a titration, the % analyte is computed from the following equation:
Vol (titrant) x M (titrant) x MW (analyte)
% analyte =
x 100
Weight (sample)
Calculate the absolute error in the % analyte from the following data.
Vol (titrant)= 38.04 t 0.02 ml
M (titrant)
MW (analyte) = 74.116 t 0.005 mg/mmol
Wt (sample) = 800.0 ± 0.2 mg
= 0.1137 ± 0.0003 mmol/ml
%3!
5R) The net ionic equation for formation of an aqueous solution of Nil2 accompanied by evolution of CO2
gas via mixing solid NICO3 and aqueous hydriodic acid is
A) 2NICO3 (s) + HI (aq) - 2H20 (1) + CO2 (g) + 2N12+ (aq)
2H20 (1) + CO2 (g) + Ni2+ (aq) + HI (aq)
B) NICO3 (s) + I (aq)
O NICO3 (s) + 2H* (aq)
H20 (1) + CO2 (g) + Ni2+ (aq)
2H20 (1) + CO2 (g) + Nil2 (aq)
D) NICO3 (s) + 2HI (aq)
E) NICO3 (s) + 2HI (aq)
H20 (1) + CO2 (g) + Ni2+ (aq)
+ 21- (aq)
Answer. C
6
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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