During an MRI, when the radio signal is removed and the hydrogen protons re-align with the magnetic field, they emit their own radio waves. Suggest why this might occur.

Which element would mostly likely have an electron affinity measuring closest to zero

Which formula equation represents the burning of sulfur to produce sulfur dioxide? s(s) + o2(g) 4502(9) 2h2s(s) + 302(g) —> 2h20(0) + 2502(9) 4fes2+1102 —> 2fe2o3 + 8502 2802(g) + o2(9) v205 , 2503(9)

Which of the following substances is the most soluble in water? a. sodium chloride b. methane c. bromine d. carbon