Viết phương trình phản ứng giải thích quá trình định lượng acid barbituric trong pyridin với sự có mặt của AgNO3 Dung dịch chuẩn là KOH/ methanol.

3

explanation:

why is arctic sea ice important? arctic sea ice keeps the polar regions cool and moderate global climate. sea ice has a bright surface; 80 percent of the sunlight that strikes it is reflected back into space. as sea ice melts in the summer, it exposes the dark ocean surface.

it forms an anion that has a larger radius. anions have a negative charge and are larger than the original atom.