Indicates whether the statements are true or false. Let the following equilibrium reactions and the △ H of the direct reaction at 25̊C: k) The equilibrium does not shift with increasing the total volume of the reaction mixture. ________ l) The equilibrium constant Kc of reaction 3 increases when oxygen is added to the reaction mixture, without changing the temperature. ________ m) The formation of NO 2 is favored by increasing the temperature of the mixture 4. ________ n) The formation of CO is favored when the volume of mixture 1 is reduced. ________
Indicates whether the statements are true or false. Let the following equilibrium reactions and the △ H of the direct reaction at 25̊C: k) The equilibrium does not shift with increasing the total volume of the reaction mixture. ________ l) The equilibrium constant Kc of reaction 3 increases when oxygen is added to the reaction mixture, without changing the temperature. ________ m) The formation of NO 2 is favored by increasing the temperature of the mixture 4. ________ n) The formation of CO is favored when the volume of mixture 1 is reduced. ________
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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Question
Indicates whether the statements are true or false. Let the following equilibrium reactions and the △ H of the direct reaction at 25̊C:
k) The equilibrium does not shift with increasing the total volume of the reaction mixture.
________
l) The equilibrium constant Kc of reaction 3 increases when oxygen is added to the
reaction mixture, without changing the temperature. ________
m) The formation of NO 2 is favored by increasing the temperature of the mixture 4. ________
n) The formation of CO is favored when the volume of mixture 1 is reduced. ________
![Education Permanente
SCH4U
Évaluation Unité 4
Indique si les énoncés sont vrais ou faux. Soit les réactions d'équilibre suivantes et le AH
de la réaction directe à 25C:
1.
1) CO, + 1/2 O <->
AH=- 16,2 kJ
2) CH + 2 Oxe <-->
COxe
+ 2 H,O
AH=-45,9 kJ
3) 2 NO <-> 2 NO2 + O
AH=+6,5 kJ
4) Nz + 2 Oxp <-->
2 NOxp
AH=+3,9 kJ
5) Nag 3Hx <-->
2 NHx
AH=- 5,3 kJ
a) L'équilibre 1 se déplace dans le sens de la formation de CO, lorsqu'on augmente la
température.
b) L'équilibre 2 se déplace vers la gauche lorsqu'on augmente le volume du mélange
réactionnel.
c) L'équilibre 3 se déplace vers la droite lorsqu'on ajoute de l'oxygène au mélange
réactionnel.
K](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F72c0fa67-b043-407f-954d-12ed76cd1fa1%2Fdb1d9b6e-1126-46dd-8226-223ccbd57e9c%2F7xxj5ih_processed.jpeg&w=3840&q=75)
Transcribed Image Text:Education Permanente
SCH4U
Évaluation Unité 4
Indique si les énoncés sont vrais ou faux. Soit les réactions d'équilibre suivantes et le AH
de la réaction directe à 25C:
1.
1) CO, + 1/2 O <->
AH=- 16,2 kJ
2) CH + 2 Oxe <-->
COxe
+ 2 H,O
AH=-45,9 kJ
3) 2 NO <-> 2 NO2 + O
AH=+6,5 kJ
4) Nz + 2 Oxp <-->
2 NOxp
AH=+3,9 kJ
5) Nag 3Hx <-->
2 NHx
AH=- 5,3 kJ
a) L'équilibre 1 se déplace dans le sens de la formation de CO, lorsqu'on augmente la
température.
b) L'équilibre 2 se déplace vers la gauche lorsqu'on augmente le volume du mélange
réactionnel.
c) L'équilibre 3 se déplace vers la droite lorsqu'on ajoute de l'oxygène au mélange
réactionnel.
K
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