Please help me answer these subunits! 44. In the equation below;C6H5NH₂(aq) + H₂O(l) ⇒ CH₂NH₂ (aq) + OH¯(aq)Which compound is considered as the conjugate base?A. C₂H5NH2 B. C2H5NH+3C. H₂OD. OH-45. Which compound is considered as the conjugateacid?A. C2H5NH2B. H₂OC. C₂H5NH+3D. OH-46. A mixture of 0.20 M acetic acid and 0.30 M sodium acetate is given. What the pH of the medium if the pKAof the acetic acid is 4.76.A. 2.94B. 3.94C. 4.94C. 5.9447. Which of the following describes surface tension in water?A. surface tension occurs due to ionic bondingB.surface tension of water is weakened by hydrogen bondingC. surface tension is caused by water molecules repelling one anotherD. surface tension allows water to support small objects if they are placed carefully on its surface48. Which of the following scenarios is an example of cohesion?A. water sticks to the walls of blood vessels.B. water molecules stick to the surface of a mirror.C. water molecules stick to one another and form a bead.D. water molecule stay on the tip of the needle because the water is attracted to the surface of the needle.

Conjugated acid and conjugate base:

44. In the equation below; C6H5NH₂(aq) + H₂O(l) ⇒ CH₂NH₂ (aq) + OH¯(aq) Which compound is considered as the conjugate base? C2H5NH2 B. C2H5NH+3 A. C. H₂O D. OH- 45. Which compound is considered as the conjugate acid? A. C₂H5NH2 B. H₂O C. C₂H5NH+3 D. OH- 46. A mixture of 0.20 M acetic acid and 0.30 M sodium acetate is given. What the pH of the medium if the pKA of the acetic acid is 4.76. A. 2.94 B. 3.94 C. 4.94 C. 5.94

44. In the equation below; C6H5NH₂(aq) + H₂O(l) ⇒ CH₂NH₂ (aq) + OH¯(aq) Which compound is considered as the conjugate base? C2H5NH2 B. C2H5NH+3 A. C. H₂O D. OH- 45. Which compound is considered as the conjugate acid? A. C₂H5NH2 B. H₂O C. C₂H5NH+3 D. OH- 46. A mixture of 0.20 M acetic acid and 0.30 M sodium acetate is given. What the pH of the medium if the pKA of the acetic acid is 4.76. A. 2.94 B. 3.94 C. 4.94 C. 5.94

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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