1. Convert the height of person 173cm to miles. 2. Convert the volume of a test tube, 20.5ml to gallons.
3. Convert the mass of an object, 100.965grams to amu.
Note: Show working.

Pete is making decorations for a dinner party. the instructions tell him to use 9 flowers for a medium-sized decoration. complete each statement to adjust the flowers for different-sized decorations based on these instructions.

The ksp expression for the system pbcl2(s) pb+2(aq) + 2 cl-(aq) is: [pbc12][pb+2][2cl-] [pb+2][cl-]2 [pb+2][2cl-]2 [pbcl2][pb+2][cl-]2 [pb+2][2cl-]2[pbcl2]

What is the product? a-3/15a × 5/a-3