Problems Matter 3ESO

1. Explain what is and give examples of: a) homogeneus
   
   Mixture; b)element c)heterogeneus mixture d)compound
2.  How doesw KMT explain? a) we only know the taste of a soup if we take it, but we can smell it from far away b)Solids have a constant shape and volume c)gasses can be compressed, solids and liquids cannot d)A punctured tyre quickly desinflates, even if the hole is tiny
3. Which are the properties of the 3 aggregation states?
4. Supposse a gas at 26,85ºC  (convert to K). Its volume is 50 L and its pressure 2 atm. What will be its new volume if:   a) The new temperature is 600k at 2 atm. b)At 300 K, the new pressure is 4 atm c)At 600 K, the new pressure is 1 atm