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Unformatted text preview: e change that occurs when the
100, 698 J of heat are absorbed by the system: "S = #
n"H# %& '
n"H & %' 1409 nC p
n"H' %( 1533 nC p
1373K 1373 T
1409K 1409 T
993 We account for the entropy of transition for each phase transformation cross ed in the process
with the terms containing the enthalpy and temperatures of transition. Plugging in and carrying out
he "S = 119.1 J
K d. Our c alculation in part (a) tells us that the delt a phase is the final equilibrium struct ure of the
! 2. Twenty kg of liquid bis muth at 600 K is introduc ed into a 10 kg alumina (Al2O3) c rucible (initial
temperature 298K), filling the crucible t o the top; the crucible and bis muth are then
surrounded by adiabatic walls (illustrated below). At equilibrium, according to t he z eroth law,
the temperatures of the bis muth and alumina crucible must be equal. Us e the following
thermody namic data to ans wer the que...
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This document was uploaded on 12/21/2013.
- Fall '13