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P14 - particle model (Internal energy and changes of state (Increasing…

- - - - They have a regular shape and structure and they have fixed position which means they have low kinetic energy
    - - They have weak forces of attraction allowing them to move past each other. This means they have more kinetic energy than solid but less than gases
    - - There are almost no forces of attraction between particles. This means they have the most kinetic energy store
- - - - To measure the density of the liquid you must measure the volume of the liquid in a measuring cylinder and the put it on a balance to measure the mass of the liquid by measuring the mass of the empty cylinder and then with the liquid and subtract them. then you use the formula
    - - First you put the solid on a weighing scale and then measure its mass. then you must get a eureka can filled with water. Then you get the solid and put it in the can and then you can place a measuring cylinder next to the spout to let water go in. Then you measure the volume of the water which it is the volume of the solid and then you use the formula