olecules? How does this effect the floating needle?
Lab Results:
Surface Tension
Needle floats on distilled water
Needle does not float on acetone
Needle does not float on vegetable oil
Viscosity
Time for water to drain from bottle: 28 sec, 27 sec, 26 sec
Time for veg oil to drain from bottle: 1 m 15sec, 1m 16sec, 1m 15sec
Time for 5w-30 Motor oil to drain: 11m 55sec, 11m 54sec, 11m 53sec
Time for 20W-50 motor oil to drain: 35 m, 34 m 98sec, 34m 99 sec
2006-08-03
05:42:40
·
7 answers
·
asked by
Anonymous