Which statement best describes the difference between a physical change and a chemical change

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

The element that has the greatest electronegativity is

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