What is meant by negative deviation from Raoult's law and how is the sign of `Delta_("mix")H` related to negative deviation from Raoult's law ?

What is meant by positive deviations from Raoult's law and how is the sign of Delta_("mix")H related to positive deviation from Raoult's law ?

What is meant by positive and negative deviation from Raoult's law and how is the sign of delta_(mix)H related to positive and negative deviation from Raoult's law?

What is meant by positive deviations from Roult's law and how is sign f Delta_("mix")H related to positive deviation from Raoult's law ?

What is meant by positive and negative deviations from Raoult's law an dhow is the sign of Delta_(mix)H related to positive and negative deviations from Raoult's law ?

What is meant by positive and negative deviations from Raoult's law and how is the sign of Delta_("so")H related to positive and negative deviations from Raoult's law ?

What is meant by positive and negative deviations from Raoult's law and how is the sign of Delta H _(mix) related to positive and negative deviations from Raoult's law?

What is meant by positive and negative deviations from Raoult's law and how is the sign of Delta_("Sol") H related to positive and negative deviations from Raoult's law ?

What is meant by positive and negative deviations from Raoult's law and bow is the sign of DeltaH_(mix) related to positive and negative deviations from Raoult's law ?

What is meant by-positive and negative deviations from Raoult's law and how is the sign of 'Delta sol H' related to positive, and negative deviations from Raoult's law?