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Chemistry
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ISBN: 9781305957404
Author: Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
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 alt="Question 24 W
W(s) → W(1)
AH fus = 35 kJ/mol; AS° fus = 10 J/(mol K)
The chemical equation and thermodynamic data for the melting of tungsten are given above. Based on this information, which of the following provides the best prediction with correct justification about
whether a sample of pure tungsten will melt at 3723 K?
ΔΗ'
The sample will not melt because T >
AS
AH
The sample will not melt because T <
B
AH
The sample will melt because T>
AS fu
AH"
The sample will melt because T
AS
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Transcribed Image Text:Question 24 W
W(s) → W(1)
AH fus = 35 kJ/mol; AS° fus = 10 J/(mol K)
The chemical equation and thermodynamic data for the melting of tungsten are given above. Based on this information, which of the following provides the best prediction with correct justification about
whether a sample of pure tungsten will melt at 3723 K?
ΔΗ'
The sample will not melt because T >
AS
AH
The sample will not melt because T <
B
AH
The sample will melt because T>
AS fu
AH"
The sample will melt because T
AS
Q Search or enter website name
esc
&
#
$
%
8
@
6
7
3
4
5
2
* C0
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- Given that the enthalpy of vaporization for water is: AHvap H₂O (1)→ H₂O (9) = +44.0 kJ mol Calculate AH for evaporating 3.00 moles of water.arrow_forwardGiven the following information, AH° (A2B(g)) = -225 KJ/mol AH (BC(g)) = -160 KJ/mol %3D AH (AC(g)) = -85 KJ/mol AH (B(g)) = -75 KJ/mol Determine AH° for the reaction, A2B(g) + 2BC(g) 2AC(g) + 3B(g) -600 KJ/mol 150 KJ/mol 600 KJ/mol 450 KJ/molarrow_forwardUse the following data to determine the AH° for the conversion of diamond into graphite: C(s,diamond) +O2(g) CO,(g) AH°= -395.4 kJ 200,(g) 2c0(g) +0,(g) AH°= 566.0 kJ 2c0(g) C(s,graphite) + CO,(g) AH°= -172.5 kJ C(s,diamond) AH° = → C(s,graphite) kJarrow_forward
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