e final pres- opy change cemperature or CH C 19.40 For ea o th ing pairs, predict which substance poss s5the tzopy per mole: (a) 1 mol of O,(g) at 300 C, 102 1 mol of O3(g) at 300 °C, 1.013 kPa; (b) 1 moi of H 100°C, 101.3 kPa, or 1 mol of H20(1) at 100 °C, 101J KPa; (c) 0.5 mol of N2(g) at 298 K, 20-L vol- ume, or 0.5 mol CH4(g) at 298 K, 20-L volume; (d) 100 g Na2SO4(s) at 30°C or 100 g Na,SO4(aq) at 30°C. 19.41) Predict the sign of the entropy change of the system for and the 9.3) a vacuum, aneous pro- stem during the expan- each of the following reactions: (a) CO(g) + H2(8) C(s) + H20(8) (b) 2 O2(8) + N2(8) (c) NH,CI(s) 2 NO2(8) a microstate HCI(g) + NH3(8) > 2 C2H4O(8) o state B, its e number of a particular ces available de about the (d) 2 C2H4(8) + O2(8) - 19.42 Predict the sign of ASsys for each of the following pro- cesses: (a) Gaseous H2 reacts with liquid palmitoleic acid (C16H3002, unsaturated fatty acid) to form liquid palmitic acid (C16H3202 saturated fatty acid). (b) Liquid palmitic acid solidifies at 1 °C to solid palmitic acid. (c) Silver chlo- ride precipitates upon mixing AGNO,(aq) and NaCl(aq). (d) Gaseous H, dissociates in an electric arc to form gaseous Hatoms (used in atomic hydrogen welding). decrease, or vailable to a e in volume, B, calculate Changog in Chemical Reactions
e final pres- opy change cemperature or CH C 19.40 For ea o th ing pairs, predict which substance poss s5the tzopy per mole: (a) 1 mol of O,(g) at 300 C, 102 1 mol of O3(g) at 300 °C, 1.013 kPa; (b) 1 moi of H 100°C, 101.3 kPa, or 1 mol of H20(1) at 100 °C, 101J KPa; (c) 0.5 mol of N2(g) at 298 K, 20-L vol- ume, or 0.5 mol CH4(g) at 298 K, 20-L volume; (d) 100 g Na2SO4(s) at 30°C or 100 g Na,SO4(aq) at 30°C. 19.41) Predict the sign of the entropy change of the system for and the 9.3) a vacuum, aneous pro- stem during the expan- each of the following reactions: (a) CO(g) + H2(8) C(s) + H20(8) (b) 2 O2(8) + N2(8) (c) NH,CI(s) 2 NO2(8) a microstate HCI(g) + NH3(8) > 2 C2H4O(8) o state B, its e number of a particular ces available de about the (d) 2 C2H4(8) + O2(8) - 19.42 Predict the sign of ASsys for each of the following pro- cesses: (a) Gaseous H2 reacts with liquid palmitoleic acid (C16H3002, unsaturated fatty acid) to form liquid palmitic acid (C16H3202 saturated fatty acid). (b) Liquid palmitic acid solidifies at 1 °C to solid palmitic acid. (c) Silver chlo- ride precipitates upon mixing AGNO,(aq) and NaCl(aq). (d) Gaseous H, dissociates in an electric arc to form gaseous Hatoms (used in atomic hydrogen welding). decrease, or vailable to a e in volume, B, calculate Changog in Chemical Reactions
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
Chapter1: Chemical Foundations
Section: Chapter Questions
Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...
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Please help me with question 19.41
Transcribed Image Text:e final pres-
or CH
19.40 For ea o: th ing pairs, predict which substance
poss s5 the tzopy per mole: (a) 1 mol of O,(g)
at 300 C, 10 i mol of O3(g) at 300 °C, 1.013 kPa;
(b) 1 moi of H 100°C, 101.3 kPa, or 1 mol of H20(1)
at 100 °C, 10iJ KPa; (c) 0.5 mol of N2(g) at 298 K, 20-L vol-
ume, or 0.5 mol CH4(g) at 298 K, 20-L volume; (d) 100 g
Na2SO4(s) at 30°C or 100 g Na2SO4(aq) at 30°C.
opy change
cemperature
and the
9.3)
a vacuum,
19.41) Predict the sign of the entropy change of the system for
aneous pro-
stem during
the expan-
each of the following reactions:
(a) CO(g) + H2(8)
C(s) + H2O(8)
(b) 2 O2(8) + N2(8)
2 NO2(8)
(c) NH,CI(s)
HCI(g) + NH3(8)
a microstate
2 C2H4O(g)
o state B, its
e number of
a particular
ces available
de about the
(d) 2 C2H4(8) + O2(8)
>
19.42 Predict the sign of ASsys for each of the following pro-
cesses: (a) Gaseous H2 reacts with liquid palmitoleic acid
(C16H3002, unsaturated fatty acid) to form liquid palmitic
acid (C16H3202 saturated fatty acid). (b) Liquid palmitic
acid solidifies at 1 °C to solid palmitic acid. (c) Silver chlo-
ride precipitates upon mixing AGNO,(aq) and NaCI(aq).
(d) Gaseous H, dissociates in an electric arc to form gaseous
Hatoms (used in atomic hydrogen welding).
decrease, or
vailable to a
e in volume,
B, calculate
Changog in Chemical Reactions
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