list of cases

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e Performed: Date Submitted: F.XPEF'^1M!?.N7 G1 SPECiFiC GRAVITY of FLUiD I. Objective To d e t a r m i n e t h e s p e c i f i c g r a v i t y o f a f l u i d ( M e r c u r y ) u s i n g t n e U-tube II. Apparatus U-tube, m e r c u r y , w a t e r , r u l e r , a n d dropper ' . ' III. Procedure 1. Drop an amount of mercury on the U-tube using the dropper. Make s u r e t h a t t h e a m o u n t of mercury is enough to occupy t h e l o w e s t p a r t o f t h e U-tube. 2. D r o p e n o u g h a m o u n t o f w a t e r o n both sides of t h e U - t u b e , one s i d e ( p r e f e r a b l y t h e l e f t side) s h o u l d h a v e g r e a t e r v o l u m e o f w a t e r . . ^ ; 3. Measure the heights of water o n t h e l e f t a n d r i g h t s i d e of the U-tube and record them a s h i and h2, respectively ( S e e f i g u r e E-1). .... water ) mercury Figura E -l 4. M e a s u r e t h e d i f f e r e n c e i n l e v e l o f t h e s u r f a c e s of m e r c u r y a n d record it a s h a . 5. C o m p u t e t h e s p e c i f i c g r a v i t y ( S ) o f m e r c u r y u s i n g t h e g i v e n formula: S = (hi - h2)/h3 6. Add u n e q u a l a m o u n t o f w a t e r o n b o t h s i d e s o f the U-tube and r e p e a t s t e p s 3 t o 5 until 7 ' trials. , • 7. C o m p u t e t h e a v e r a n p «nor-if„ "rcn ,ih/ nf mercury.

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Page 1: list of cases

e P e r f o r m e d : D a t e S u b m i t t e d :

F . X P E F ' ^ 1 M ! ? . N 7 G 1

S P E C i F i C G R A V I T Y o f F L U i D

I . O b j e c t i v e

T o d e t a r m i n e t h e s p e c i f i c g r a v i t y o f a f l u i d ( M e r c u r y ) u s i n g t n e U - t u b e

I I . A p p a r a t u s

U - t u b e , m e r c u r y , w a t e r , r u l e r , a n d d r o p p e r ' . '

I I I . P r o c e d u r e

1 . D r o p a n a m o u n t o f m e r c u r y o n t h e U - t u b e u s i n g t h e d r o p p e r . M a k e s u r e t h a t t h e a m o u n t o f

m e r c u r y i s e n o u g h t o o c c u p y t h e l o w e s t p a r t o f t h e U - t u b e .

2 . D r o p e n o u g h a m o u n t o f w a t e r o n b o t h s i d e s o f t h e U - t u b e , o n e s i d e ( p r e f e r a b l y t h e l e f t s i d e )

s h o u l d h a v e g r e a t e r v o l u m e o f w a t e r . . ^ ;

3 . M e a s u r e t h e h e i g h t s o f w a t e r o n t h e l e f t a n d r i g h t s i d e o f t h e U - t u b e a n d r e c o r d t h e m a s h i

a n d h 2 , r e s p e c t i v e l y ( S e e f i g u r e E - 1 ) .

.... w a t e r

) mercury

Figura E - l

4 . M e a s u r e t h e d i f f e r e n c e i n l e v e l o f t h e s u r f a c e s o f m e r c u r y a n d r e c o r d i t a s h a .

5 . C o m p u t e t h e s p e c i f i c g r a v i t y ( S ) o f m e r c u r y u s i n g t h e g i v e n f o r m u l a :

S = (hi - h2)/h3

6 . A d d u n e q u a l a m o u n t o f w a t e r o n b o t h s i d e s o f the U - t u b e a n d r e p e a t s t e p s 3 t o 5 u n t i l 7

' t r i a l s . , •

7 . C o m p u t e t h e a v e r a n p «nor- i f„ " r c n , i h / n f m e r c u r y .