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Which of the following is the most likely cause for the increase in pressure observed in the container as the reaction reaches equilibrium? (A) A decrease in the strength of intermolecular attractions among molecules in the flask (B) An increase in the strength of intermolecular attractions among molecules in the flask (C) An increase in the number of molecules, which increases the frequency of collisions with the walls of the container (D) An increase in the speed of the molecules that then collide with the walls of the container with greater force

Which of the following is the most likely cause for the increase in pressure observed in the container as the reaction reaches equilibrium? (A) A decrease in the strength of intermolecular attractions among molecules in the flask (B) An increase in the strength of intermolecular attractions among molecules in the flask (C) An increase in the number of molecules, which increases the frequency of collisions with the walls of the container (D) An increase in the speed of the molecules that then collide with the walls of the container with greater force

Chemistry
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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Which of the following is the most likely cause for the increase in pressure observed in the container as the reaction reaches equilibrium? (A) A decrease in the strength of intermolecular attractions among molecules in the flask (B) An increase in the strength of intermolecular attractions among molecules in the flask (C) An increase in the number of molecules, which increases the frequency of collisions with the walls of the container (D) An increase in the speed of the molecules that then collide with the walls of the container with greater force A solution is prepared by adding 100 mL of 1.0 M HC,H,O,(aq) to 100 mL of 1.0 M NaC,H,O,(aq). The solution is stirred and its pH is measured to be 4.73. After 3 drops of 1.0 M HCI are added to the solution, the ph of the solution is measured and is still 4.73. Which of the following equations represents the chemical reaction that accounts for the fact that acid was added but there was no detectable change in pH? (A) H;O*(aq) + OH (aq) → 2 H,0(1) (B) H;O*(aq) + CI"(aq) → HCI(g) + H,O(1) (C) H,O*(aq) + C,H,O, (aq) → HC,H,O,(aq) + H,0(1) (D) H,0*(aq) + HC,H,O,(aq) → H,C,H;O,*(aq) + H,O(1)
Transcribed Image Text:Which of the following is the most likely cause for the increase in pressure observed in the container as the reaction reaches equilibrium? (A) A decrease in the strength of intermolecular attractions among molecules in the flask (B) An increase in the strength of intermolecular attractions among molecules in the flask (C) An increase in the number of molecules, which increases the frequency of collisions with the walls of the container (D) An increase in the speed of the molecules that then collide with the walls of the container with greater force A solution is prepared by adding 100 mL of 1.0 M HC,H,O,(aq) to 100 mL of 1.0 M NaC,H,O,(aq). The solution is stirred and its pH is measured to be 4.73. After 3 drops of 1.0 M HCI are added to the solution, the ph of the solution is measured and is still 4.73. Which of the following equations represents the chemical reaction that accounts for the fact that acid was added but there was no detectable change in pH? (A) H;O*(aq) + OH (aq) → 2 H,0(1) (B) H;O*(aq) + CI"(aq) → HCI(g) + H,O(1) (C) H,O*(aq) + C,H,O, (aq) → HC,H,O,(aq) + H,0(1) (D) H,0*(aq) + HC,H,O,(aq) → H,C,H;O,*(aq) + H,O(1)
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