density increase, volume decrease
-SPM Thread Version Four-, Its never too late! :)
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 Nov 20 2010, 12:44 AM
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#1
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525 posts Joined: Aug 2008 From: ki siao 
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Quote|
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Nov 20 2010, 01:07 AM
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#2
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525 posts Joined: Aug 2008 From: ki siao
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empty spaces within the ice structure, as this translates to a more open or expanded structure. The ice structure takes up more volume than the liquid water molecules, hence ice is less dense than liquid water.
Added on November 20, 2010, 1:07 amhttp://www.elmhurst.edu/~chm/vchembook/122Adensityice.html This post has been edited by jyhy: Nov 20 2010, 01:07 AM |
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Nov 20 2010, 01:28 AM
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#3
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525 posts Joined: Aug 2008 From: ki siao
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20.D
21.B |
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Nov 20 2010, 01:38 AM
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#4
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525 posts Joined: Aug 2008 From: ki siao
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is the answer correct?
20. use boyle's law. p1v1=p2v2 10x3V=(10+h)xV can you continue the rest? 21. A thermocouple is a junction between two different metals that produces a voltage related to a temperature difference. from wiki |
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Nov 21 2010, 12:13 AM
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#5
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525 posts Joined: Aug 2008 From: ki siao
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the truth is still gonna continue living!!
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Nov 23 2010, 11:30 PM
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#6
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525 posts Joined: Aug 2008 From: ki siao
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compulsory
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Nov 24 2010, 08:06 PM
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#7
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525 posts Joined: Aug 2008 From: ki siao
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do all 5 essay
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Nov 25 2010, 01:34 PM
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#8
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Senior Member
525 posts Joined: Aug 2008 From: ki siao
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both easy
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Nov 27 2010, 11:25 AM
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#9
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Senior Member
525 posts Joined: Aug 2008 From: ki siao
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the ketua ask us to shed so we shed
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Nov 27 2010, 05:27 PM
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#10
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525 posts Joined: Aug 2008 From: ki siao
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QUOTE(556611 @ Nov 27 2010, 05:21 PM) Answer given is C. 10= A x 5I got B. so who's correct?   A= 2 10 x 2 = 20 |
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Nov 27 2010, 11:32 PM
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#11
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525 posts Joined: Aug 2008 From: ki siao
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QUOTE(556611 @ Nov 27 2010, 11:25 PM) help! is the answer wrong? answer given 17)D 19)C 17 i get 60 19 i get 86 |
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Nov 27 2010, 11:37 PM
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#12
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525 posts Joined: Aug 2008 From: ki siao
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QUOTE(DarkZero @ Nov 27 2010, 11:35 PM) i also get the same answer,most probably the answer is wrong. so just screw the answersneed explanation? |
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Nov 28 2010, 01:33 PM
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#13
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525 posts Joined: Aug 2008 From: ki siao
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EDITED
This post has been edited by jyhy: Nov 28 2010, 01:35 PM |
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Nov 29 2010, 01:00 PM
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#14
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525 posts Joined: Aug 2008 From: ki siao
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LOOK FORWARD!!
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Nov 29 2010, 01:57 PM
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#15
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525 posts Joined: Aug 2008 From: ki siao
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it seems like is his/hers own answer
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Nov 29 2010, 02:15 PM
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#16
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525 posts Joined: Aug 2008 From: ki siao
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yvonne.. don't come here lansi... go study please
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Nov 29 2010, 02:18 PM
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#17
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Senior Member
525 posts Joined: Aug 2008 From: ki siao
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yr intention to be here is <insert anything you like>
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