2. Gallium (Ga) is a metal that is solid at room temperature (25 °C, 298 K), but can melt in the palm of your hand! (TM= 29.76 °C, 303 K). (AH°fus-5.59 kJ/mol.) For both Ga(s) and Ga(1), Cp.m (J/mol K) follows the general expression: Cpm = AT² + BT + C B A 6x104 -0.347 -1.27x10-6 2.7×10-³ State of matter Ga (s) Ga (1) Valid T range 298 K→303 K 303 K-2673 K с 102.34 24.62 a. Determine the total change in enthalpy for heating Ga from 298 K to 400 K at constant P.
2. Gallium (Ga) is a metal that is solid at room temperature (25 °C, 298 K), but can melt in the palm of your hand! (TM= 29.76 °C, 303 K). (AH°fus-5.59 kJ/mol.) For both Ga(s) and Ga(1), Cp.m (J/mol K) follows the general expression: Cpm = AT² + BT + C B A 6x104 -0.347 -1.27x10-6 2.7×10-³ State of matter Ga (s) Ga (1) Valid T range 298 K→303 K 303 K-2673 K с 102.34 24.62 a. Determine the total change in enthalpy for heating Ga from 298 K to 400 K at constant P.
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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Transcribed Image Text:b. Determine the total change in entropy for heating Ga from 298 K to 400 K at
constant P.
Transcribed Image Text:2. Gallium (Ga) is a metal that is solid at room temperature (25 °C, 298 K), but can melt in
the palm of your hand! (TM= 29.76 °C, 303 K). (AH°fus 5.59 kJ/mol.)
For both Ga(s) and Ga(1), CP,m (J/mol K) follows the general expression:
Cp.m = AT² + BT + C
A
6x10-4
-0.347
-1.27×10-6 2.7×10-³
State of matter
Ga (s)
Ga (1)
Valid T range
298 K-303 K
303 K→2673 K
B
C
102.34
24.62
a. Determine the total change in enthalpy for heating Ga from 298 K to 400 K at
constant P.
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