For a solution of ethanol and water at 20°c that has 0.2 mole fraction ethanol, the partial molar volume of water is 17.9 cc/mole and the partial molar volume of ethanol is 55.0 cc/mole. what volumes of pure ethanol and water are required to make 1 liter of this solution? at 20°c the density of ethanol is 0.789 g/cc and the density of water is 0.998 g/cc.

an energy transformation flow diagram is shown

where is it ?

this is an example of "committed" time.

committed time, as contracted time, takes need over essential and available time since it is seen as profitable work. it alludes to the time allotted to keep up a home and family. at the point when a man is commuting using committed time this individual may feel that the drive is an obligation to family, for example, strolling youngsters to class or driving a mate to work. contracted and committed time clients may feel that their commute could really compare to the commute of important or leisure time clients on the grounds that their commute is profitable work. in this manner, they might be more disposed to pick a mechanized method of movement.  

myth. it was once thought that animals, including cats and dogs, could only see in black and white. however, scientists have proven this to be a myth. in all animals, including humans, the perception of colour is determined by the presence of cells in the eye called cone photoreceptors.