C h e m i c a l R e a c t i o n s. C h e m i c a l R e a c t i o n A p r o c e s s i n w h i c h o n e s u b s t a n c e i s c h a n g e d i n t o a n.

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C h e m i c a l R e a c t i o n s

C h e m i c a l R e a c t i o n A p r o c e s s i n w h i c h o n e s u b s t a n c e i s c h a n g e d i n t o a n o t h e r s u b s t a n c e.

A r e a c t i o n h a s o c c u r e d w h e n : C o l o r c h a n g e s H e a t c h a n g e s H e a t c h a n g e s G a s i s p r o d u c e d G a s i s p r o d u c e d P r e c i p i t a t e f o r m s P r e c i p i t a t e f o r m s

R e a c t i o n T y p e s S i n g l e d i s p l a c e m e n t D o u b l e d i s p l a c e m e n t D e c o m p o s i t i o n S y n t h e s i s C o m b u s t i o n

S i n g l e d i s p l a c e m e n t Z n + 2 H C l --> Z n C l 2 + H 2 A s i n g l e e l e m e n t r e p l a c e s a n e l e m e n t i n a c o m p o u n d.

D o u b l e d i s p l a c e m e n t H 2 SO NaOH --> Na 2 SO H 2 O A n e l e m e n t f r o m e a c h o f t w o c o m p o u n d s s w i t c h p l a c e s.

D e c o m p o s i t i o n 2 H 2 O --> 2 H 2 + O 2 A c o m p o u n d b r e a k s i n t o p a r t s.

S y n t h e s i s 2 H 2 + O 2 --> 2 H 2 O E l e m e n t s o r c o m p o u n d s a r e j o i n e d t o g e t h e r.

C o m b u s t i o n C H O 2 --> C O H 2 O A h y d r o c a r b o n c o m b i n e s w i t h o x y g e n

C h e m i c a l R e a c t i o n s E n d