Assume the heat capacity values in Table 2.3 apply at all temperatures unless otherwise stated. (1) For the following reaction at 298 K: CaCO, (s) CaO(s) + CO,(8) AH98 is positive (a) Deduce how AH alters with increase in temperature. (b) Indicate the trend by means of a simple sketch graph. (c) Calculate Afg98 referring to Table 2.3 and the following data: CaCO, (s) -1207 Co2 (g) CaO(s) H9s (kJ mol) -635 -394
Assume the heat capacity values in Table 2.3 apply at all temperatures unless otherwise stated. (1) For the following reaction at 298 K: CaCO, (s) CaO(s) + CO,(8) AH98 is positive (a) Deduce how AH alters with increase in temperature. (b) Indicate the trend by means of a simple sketch graph. (c) Calculate Afg98 referring to Table 2.3 and the following data: CaCO, (s) -1207 Co2 (g) CaO(s) H9s (kJ mol) -635 -394
Principles of Modern Chemistry
8th Edition
ISBN:9781305079113
Author:David W. Oxtoby, H. Pat Gillis, Laurie J. Butler
Publisher:David W. Oxtoby, H. Pat Gillis, Laurie J. Butler
Chapter12: Thermodynamic Processes And Thermochemistry
Section: Chapter Questions
Problem 44P
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![Assume the heat capacity values in Table 2.3 apply at all temperatures unless otherwise
stated.
(1) For the following reaction at 298 K:
CaCO, (s) CaO(s) + CO,(8) AH298 is positive
(a) Deduce how AH alters with increase in temperature.
(b) Indicate the trend by means of a simple sketch graph.
(c) Calculate AH98 referring to Table 2.3 and the following data:
CaCO, (s)
-1207
Co, (g)
CaO(s)
Hage (kJ mol)
-635
-394
298](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F839f194a-1cc9-4388-b8f8-c681f51ac058%2F4f59c167-e42c-4924-8b80-534e890615c3%2Fmcjnnyx_processed.jpeg&w=3840&q=75)
Transcribed Image Text:Assume the heat capacity values in Table 2.3 apply at all temperatures unless otherwise
stated.
(1) For the following reaction at 298 K:
CaCO, (s) CaO(s) + CO,(8) AH298 is positive
(a) Deduce how AH alters with increase in temperature.
(b) Indicate the trend by means of a simple sketch graph.
(c) Calculate AH98 referring to Table 2.3 and the following data:
CaCO, (s)
-1207
Co, (g)
CaO(s)
Hage (kJ mol)
-635
-394
298
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