Đốt cháy một lượng amin đơn chức A bằng O2 vừa đủ. Sản phẩm cháy cho qua bình nước vôi trong dư thâý có 1,12 lít khí (đktc) thoát ra khỏi bình, trong bình xuất hiện 10 gam kết tủa. A có công thức phân tử là?

Tktdkxiydlyxo6udlhc7pf

it is to be noted that an alpha particle is an helium nucleus. so it contains 2 protons 2 neutrons and has a mass number of 4. when alpha decay particles are ejected from the nucleus it gets transformed into an atom which has atomic number less than 2 and a mass number less than 4.

an equation that could represent alpha decay is radium 226 decay of alpha particle forms radon 222.

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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.