DIMENSIONAL ANALYSIS

- want to know

   what 100km/h is in m/h

- just like converting

   between currencies in

  chem, it is usually 

  necessary to convert between units!

- this process is called

 Dimensional Analysis

     - ONLY 4 STEPS

           1. Find a unit equality

           2. Find the conversion factors

           3. Apply conversion factor

           4. Cancel Units

Examples:

    - convert 250mg into g

           25g

   - How many minutes in 9567 s

         159.45 = 159.5 s