A solution of ammonia NH3(aq) is at equilibrium. How would the equilibrium
change if OH were added to the solution?
A. [NH4+] and [OH-] would increase.
B. [NH4+] and [OH-] would decrease.
C. [NH4+] would increase and [OH-] would decrease.
D. [NH4+] and [H+] would decrease.
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Ответ:
The correct option is;
Yes, the line should be perpendicular to one of the rectangular faces
Step-by-step explanation:
A perpendicular cross-section of a triangular prism resting on a rectangular face will have a triangular cross-section section an either side of the line of the cross-section, therefore we have;
Given that the triangular prism is lying on one of the rectangular faces, the perpendicular cross-section will be represented by a line drawn along the slant height of the triangular prism, therefore the correct option is yes, the line should be perpendicular to one of the rectangular faces.