You should learn SFQ from dvd and cd from the basic course where all of your questions will be perferfectly answered.
Anyway
-each excercises has a different time span i would do the ones you mentioned as follows
Breathing of the universe 8\10 minutes up to 20 minutes
MOving of yin % yang for 15 miutes up to 30 minutes
i prefer sessions of 30 minutes or longer
Yes in Breathin of the universe breathing is synchronized with hand's movemente.
Other info are in the basic package for level 1
