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 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 bow is the sign of DeltaH_(mix) related to positive and negative deviations 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 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 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 sol H' related to positive, and negative deviations from Raoult's law?

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 ?