Does anyone know the module 2 dba for chemistry

Rutherford's experiment indicated that matter was not as uniform as it appears what part of his experimental results implied this idea

When the speed of the bottle is 2 m/s, the average maximum height of the beanbag is m.

What volume of a 0.0606 m solution of strontium bromide is needed to obtain 0.340 mol of the compound? question 42 options: a)5.61 l b) 3.4 l c) 600 ml d) 1 l e) 178 ml