Cho biết sự giống và khác nhau về phản ứng hóa học của benzen và toluen. Viết phương trình phản ứng để minh họa

One of the hopes for solving the world's energy problem is to make use of the fusion reaction 21h +31h --> 42he + 10n + energy how much energy is released when 1 mol of deuterium is fused with 1 mol of tritium according to the above reaction? the masses of the atoms and the neutrons are as follows: 21h = 2.0140 amu 31h = 3.01605 amu 42he = 4.002603 amu 10n = 1.008665 amu. the speed of light is 2.9979 x 108 m/s.

Match each state of matter with the statement that best describes it.

Sediment that settles on the bottom of the sea may form layers of rock which description tells how this sediment is deposited. a.)randomely b.)vertically c.)diagonally d.)horizontally