Please Help me with question 19.65 Unditions at 298 K,at what isperature (if any) would the reaction become19.73 Acetylespontanebalance(a) 2 P 3 02(8)to CO2 PbO(s) + 2 SO2(8)in bur844 kJ; AS° = -165J/Kif bot!(b) 2 POCi(8)(c) W2 PCI3(8) + O2(8)AH = 572 kJ; AS° = 179J/K19.65A particular constant-pressure reaction is barely sponta-neous at 320 K. The enthalpy change for the reaction is+15.2 kJ. Estimate AS for the reaction.can breacti19.74 The fmariin breac19.66 A certain constant-pressure reaction is barely nonspon-taneous at 45 °C. The entropy change for the reaction is72 J/K. Estimate AH.formthathis30.0 kJ and AS = 90.0 J/K.Assume that AH and AS do not vary with temperature.19.67 For a particular reaction, AH =%3DFree Ener(a) At what temperature will the reaction have AG =(b) If T is increased from that in part (a), will the reaction0?19.75 Infobe spontaneous or nonspontaneous?are called decarbonylation reactions. The decarbonylation ofacetic acid proceeds according to:19.68 Reactions in which a substance decomposes by losing COCH;OH(8) + CO(8)CH3COOH(1)19.76ulate the minimum

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Answered: 19.65 A particular constant-pressure…

19.65 A particular constant-pressure reaction is barely sponta- neous at 320 K. The enthalpy change for the reaction is +15.2 kJ. Estimate AS for the reaction.

Chemistry: The Molecular Science

5th Edition

ISBN:9781285199047

Author:John W. Moore, Conrad L. Stanitski

Publisher:John W. Moore, Conrad L. Stanitski

Chapter16: Thermodynamics: Directionality Of Chemical Reactions

Section: Chapter Questions

Problem 121QRT

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Please Help me with question 19.65

Unditions at 298 K,
at what isperature (if any) would the reaction become
19.73 Acetyle
spontane
balance
(a) 2 P 3 02(8)
to CO
2 PbO(s) + 2 SO2(8)
in bur
844 kJ; AS° = -165J/K
if bot!
(b) 2 POCi(8)
(c) W
2 PCI3(8) + O2(8)
AH = 572 kJ; AS° = 179J/K
19.65A particular constant-pressure reaction is barely sponta-
neous at 320 K. The enthalpy change for the reaction is
+15.2 kJ. Estimate AS for the reaction.
can b
reacti
19.74 The f
mari
in b
reac
19.66 A certain constant-pressure reaction is barely nonspon-
taneous at 45 °C. The entropy change for the reaction is
72 J/K. Estimate AH.
form
tha
this
30.0 kJ and AS = 90.0 J/K.
Assume that AH and AS do not vary with temperature.
19.67 For a particular reaction, AH =
%3D
Free Ener
(a) At what temperature will the reaction have AG =
(b) If T is increased from that in part (a), will the reaction
0?
19.75 In
fo
be spontaneous or nonspontaneous?
are called decarbonylation reactions. The decarbonylation of
acetic acid proceeds according to:
19.68 Reactions in which a substance decomposes by losing CO
CH;OH(8) + CO(8)
CH3COOH(1)
19.76
ulate the minimum

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