Page 36 - Sarah Shafa_e-Modul Koloid Berbasis PBL
P. 36

K e g i a t a n   B e l a j a r   2
                      K e g i a t a n   B e l a j a r   2


                    G e r a k    B r o w n    m e r u p a k a n

              f a k t o r    p e n y e b a b    s t a b i l n y a

              p a r t i k e l     k o l o i d     d a l a m

              m e d i u m         p e n d i s p e r s i n y a .

              P a r t i k e l    k o l o i d    t e r h i n d a r

              d a r i    p e n g e n d a p a n    k a r e n a

              a d a n y a   g a y a   g r a v i t a s i .

                    D a l a m    k e h i d u p a n    s e h a r i -

              h a r i ,    g e r a k    B r o w n    d i j u m p a i

              p a d a   p e r i s t i w a   b e r i k u t   :

                    G e r a k    s e r b u k    s a r i    p a d a
                    a i r   y a n g   t e n a n g .

                    G e r a k    p a r t i k e l    t i n t a    d i

                    a i r       ( t e r u t a m a       a i r

                                                                  Sumber: Surfguppy dan Gettyimages
                    d i n g i n ) .

                          G e r a k a n    a n t a r    p a r t i k e l    k o l o i d    o l e h    m o l e k u l    m e d i u m

              d i s p e r s i   m e n y e b a b k a n   p e r g e r a k a n   p a r t i k e l   s e c a r a   a c a k .






                      P a r t i k e l
                         S o l
                                                                               Sumber:
                                                                               Essentials of Physical
                                                                               Chemistry




                M o l e k u l



                      I l u s t r a s i   d i   b a w a h   i n i   m e n u n j u k k a n   b a g a i m a n a   g e r a k

              B r o w n   m e n g h i l a n g   d a l a m   s u s p e n s i   k a s a r .



                                                                                Sumber:
                                                                                Essentials of Physical
                                                                                Chemistry

                        P a r t i k e l            P a r t i k e l
                           S o l              S u s p e n s i   K a s a r

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