Science and technological advances are constantly changing how people live and work. discuss a change you have observed in your lifetime that has made life easier or more enjoyable for you.

Write the complete balanced equation for the reaction between lead (iv) oxide (pbo2) and water (h2o).

Ab c or d ? i’m not sure what the answer is

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)