pooja195
  • pooja195
I need help with these 2 please help i'm stuck!! ;~; I know the Before and After part I don't know what it means by volume though :/ http://prntscr.com/8g8tdp
Chemistry
katieb
  • katieb
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imqwerty
  • imqwerty
volume of water raised = volume of the rock
pooja195
  • pooja195
How do i find that??
AlexanderPhantomhive
  • AlexanderPhantomhive
https://www.easycalculation.com/physics/fluid-mechanics/buoyancy-force.php

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AlexanderPhantomhive
  • AlexanderPhantomhive
Are you trying to find the buoyancy?
pooja195
  • pooja195
O_o
imqwerty
  • imqwerty
the volume of water raised = final volume - initial volume like if u have this -|dw:1442242816214:dw| can u find out the change in volume?
pooja195
  • pooja195
I cant view the imagE O_O
AlexanderPhantomhive
  • AlexanderPhantomhive
me neither
anonymous
  • anonymous
i can see it
pooja195
  • pooja195
Would i do 30-20?
anonymous
  • anonymous
|dw:1442257348192:dw|
Rushwr
  • Rushwr
No u have to get the reading from that.
anonymous
  • anonymous
The lines on the cylinder are the volume. In the one on the left the volume is 25 mL before and 35 mL after. So the volume of the rock is 35 mL - 25 mL = 10 mL
anonymous
  • anonymous
what she said^
pooja195
  • pooja195
Ok that makes sense thanks guys ^_^
imqwerty
  • imqwerty
yes final volume= volume after the block is immersed in the test tube =30 initial volume=volume before the block was not immersed in the test tube=20 the reason of the volume hike is because of the block and the hike in volume = volume of the block hike in volume is= final - initial =30-20 =10 so in this case volume of rock is 10ml
Goose.
  • Goose.
For the second pair of Graduated Cylinders, Without said object inside we are at 27.5 ml, after we get bumped to 37.5. Then like PeachPi said, 37.5-27.5=10 ml,

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