The standard entropy of Fe(s) at 298 K is 27.30 J K mol. Assume that the heat capacity of Fe(s) is given by Cpm (Fe, s) J K ¹mol-1 = 23.97449 +8.36775 × 10-2 The melting point is 1536 °C and the heat of fusion under these conditions is 12.4 kJ mol-¹. Assume that the heat capacity of Fe(l) is given by CP.m (Fe, 1) J K ¹mol-1 Calculate the standard entropy of Fe(l) at 1,995 °C. Answer in J K1 mol-1 to 1 decimal place (e.g. 176.2) +2.77 × 10-5 T2 K² = 46.024 - 1.884667 × 10-3 T K
The standard entropy of Fe(s) at 298 K is 27.30 J K mol. Assume that the heat capacity of Fe(s) is given by Cpm (Fe, s) J K ¹mol-1 = 23.97449 +8.36775 × 10-2 The melting point is 1536 °C and the heat of fusion under these conditions is 12.4 kJ mol-¹. Assume that the heat capacity of Fe(l) is given by CP.m (Fe, 1) J K ¹mol-1 Calculate the standard entropy of Fe(l) at 1,995 °C. Answer in J K1 mol-1 to 1 decimal place (e.g. 176.2) +2.77 × 10-5 T2 K² = 46.024 - 1.884667 × 10-3 T K
Chemistry
10th Edition
ISBN:9781305957404
Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
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![The standard entropy of Fe(s) at 298 K is 27.30 J K-¹ mol-¹. Assume that the heat capacity of Fe(s)
is given by
Cp,m (Fe, s)
J K-¹ mol-¹
= 23.97449 +8.36775 x 10
-2 T
K
Cp,m (Fe, 1)
J K ¹ mol-¹
Calculate the standard entropy of Fe(l) at 1,995 °C.
Answer in J K-1 mol-¹ to 1 decimal place (e.g. 176.2)
-
The melting point is 1536 °C and the heat of fusion under these conditions is 12.4 kJ mol-¹.
Assume that the heat capacity of Fe(/) is given by
-5 T²
K²
46.0241.884667 × 10-3 T
K
+2.77 x 10-](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F432934f5-038b-441a-9abc-66d6c6189f7b%2Fa51d421e-15f0-4637-aae9-011425aa4458%2Fi8wftgd_processed.png&w=3840&q=75)
Transcribed Image Text:The standard entropy of Fe(s) at 298 K is 27.30 J K-¹ mol-¹. Assume that the heat capacity of Fe(s)
is given by
Cp,m (Fe, s)
J K-¹ mol-¹
= 23.97449 +8.36775 x 10
-2 T
K
Cp,m (Fe, 1)
J K ¹ mol-¹
Calculate the standard entropy of Fe(l) at 1,995 °C.
Answer in J K-1 mol-¹ to 1 decimal place (e.g. 176.2)
-
The melting point is 1536 °C and the heat of fusion under these conditions is 12.4 kJ mol-¹.
Assume that the heat capacity of Fe(/) is given by
-5 T²
K²
46.0241.884667 × 10-3 T
K
+2.77 x 10-
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