WARSTW A MONOMOLEKULARN A
Ćwiczenie wykonał: ...............................................................................Data: ...................................................
Ćwiczenie sprawdził:..............................................................................Data: ...................................................
1. Cel ćwiczenia: ............................................................................................................................................
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2. Wyniki pomiarów średnicy warstwy monomolekularnej Dw :
2
Dwi -ðDw Dwi -ðDw
(ð )ð
Dwi
lp.
Odchylenie standardowe: sD =ð ..............................................
w
1
Odchylenie standardowe Å›redniej: sD =ð ..................................
w
2
Błąd maksymalny średniej
3
"Dw =ð 3×ð sD =ð ................................................
w
4
Åšrednica warstwy monomolekularnej:
5
6
Dw Ä…ð "Dw =ð .....................................................................................
7
3. Objętość kropli roztworu Vk :
8
Średnia objętość kropli roztworu:
9
10
Vk Ä…ð "Vk =ð .......................................................................................
Suma
Åšrednia
4. Rozmiary czÄ…steczki kwasu stearynowego:
Stężenie roztworu: c Ä…ð "c =ð ................................................................................................................................................
Masa molowa M kwasu stearynowego: M Ä…ð "M =ð .............................................................................................................
Stężenie molowe roztworu: cm Ä…ð "cm =ð ...............................................................................................................................
wzór i wartość
GÄ™stość Á kwasu stearynowego Á Ä…ð "Á =ð ...........................................................................................................................
wartość
Åšrednica czÄ…steczki: dcz Ä…ð "dcz =ð..........................................................................................................................................
wzór i wartość
DÅ‚ugość czÄ…steczki: lðcz Ä…ð "lðcz =ð ............................................................................................................................................
wzór i wartość
Wnioski własne: .............................................................................................................................................
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