At -18.0 °C the pressure equilibrium constant K = 8.1 for a certain reaction. Here are some facts about the reaction: • The constant pressure molar heat capacity C = 1.84 J-mol ¹K¯¹. . The reaction' is exothermic. • The net change in moles of gases is -2. Using these facts, can you calculate Kat-40. °C? If you said yes, then enter your answer at right. Round it to 2 significant digits. If you said no, can you at least decide whether K at -40. °C will be bigger or smaller than K, at -18.0 °C? O Yes. O No. 0 Yes, and K will be bigger. Yes, and K will be smaller. No.
At -18.0 °C the pressure equilibrium constant K = 8.1 for a certain reaction. Here are some facts about the reaction: • The constant pressure molar heat capacity C = 1.84 J-mol ¹K¯¹. . The reaction' is exothermic. • The net change in moles of gases is -2. Using these facts, can you calculate Kat-40. °C? If you said yes, then enter your answer at right. Round it to 2 significant digits. If you said no, can you at least decide whether K at -40. °C will be bigger or smaller than K, at -18.0 °C? O Yes. O No. 0 Yes, and K will be bigger. Yes, and K will be smaller. No.
Chemistry by OpenStax (2015-05-04)
1st Edition
ISBN:9781938168390
Author:Klaus Theopold, Richard H Langley, Paul Flowers, William R. Robinson, Mark Blaser
Publisher:Klaus Theopold, Richard H Langley, Paul Flowers, William R. Robinson, Mark Blaser
Chapter16: Thermodynamics
Section: Chapter Questions
Problem 48E: At mom temperature, the equilibrium constant (Kw) for the self-ionization of water is 1.001014....
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Transcribed Image Text:At - 18.0 °C the pressure equilibrium constant K = 8.1 for a certain reaction.
P
Here are some facts about the reaction:
• The constant pressure molar heat capacity C
. The reaction' is exothermic.
. The net change in moles of gases is -2.
=
= 1.84 J-mol ¹ K¯¹
Using these facts, can you calculate K at -40. °C?
If you said yes, then enter your answer at right. Round it to
2 significant digits.
If you said no, can you at least decide whether K at
-40. °C will be bigger or smaller than Kat-18.0°C?
Yes.
O No.
Yes, and K will be
bigger.
P
Yes, and K, will be
P
smaller.
No.
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