Which two of the following are the densest of the materials shown? material mass (g) volume (l) rock 1000 0.5 pillow 200 10 bottle of soda 2000 2 loaf of bread 100 1 rock and bottle of soda loaf of bread and rock loaf of bread and pillow bottle of soda and loaf of bread

What occurs during a combustion reaction

1. a camcorder has a power rating of 19 watts. if the output voltage from its battery is 7 volts, what current does it use?answer units 2. a 1.5m wire carries a 6 a current when a potential difference of 57 v is applied. what is the resistance of the wire? yourunits 3. a clothes dryer uses about 2 amps of current from a 240 volt line. how much power does it use? yourunits 4.

The solid that is formed and usually sinks to the bottom of a solution is the