October 10, 2015

Posts by ANON

Total # Posts: 1,815

ch3cl does have the lowest vapour pressure because the molecule has space for 3 hydrogen bonds which require a lot of energy to break up the molecule so that it can evaporate and thus hydrogen bonding causes a low vapour pressure
June 11, 2007

April 10, 2007

what is produced when copper sulphate solution is mixed with ammonia solution? Either copper(II) hydroxide or copper(II) ammine sulfate or both depending upon the strength and the amount of ammonia added. The first is Cu(OH)2, the second is Cu(NH3)4SO4
January 18, 2007

science and history
How did the apollo 11 space mission pave a way for 1.) technology 2.) science 3.) America 4.) space exploration Please note that we don't do students' homework for them. Once you have come up with a response to these questions, please re-post and let us know what you ...
January 1, 2007

Multiplying Equation 1 by -1 you get: -x-y=-5 Adding that to equation 2 you get: -x -y = -5 + x -2y = -4 ------------------- -3y = -9 Divide both sides by -3 and you get y=3 Put that back into either equation and you can solve for x x+y=5 x+3=5 x+3-3=5-3 x=2 So x=2, y=3 should...
December 17, 2006

the big idea of energy
Imahh doinn thee Journey of a Cheese Sandwich homework and I havv no idea what it means by The Big Idea of Particles or The Big Idea of Energy. I've looked on the web but I keep getting confused. HELP! :S
December 5, 2006

the big idea of energy
OMG guys, i thought it was just our stupid school that did the esr defenders thing!! what on earth is THAT all about?!?!
December 5, 2006

the big idea of energy
i get da big idea of energy but nothin else 2 do wit ma hw! magnesium burning!
December 5, 2006

the big idea of energy
Are you guys stupid? Nobody cares if you don't know. You don't need 50 differant people saying "I don't know this. I don't know that". This is basic science and you people can't understand. I suggest you get serious help. Presto! Vamos! Rapido!
December 5, 2006

the big idea of energy
i have to do an assesment about sound. i have to include the big idea of energy. i have no clue what it is! HHEELLPP MMEE!! What do you mean when you say "the big idea of energy"? I know that sound is created by vibrations, but I'm not sure thats exactly what you...
December 5, 2006

acids and alkalis
Tea and chalk acid and alkali
November 4, 2006

I'm writing an essay on the book "A clockwork Orange". I'm not sure wut my research question or topic will be. It'll probably revolve around the analysis of the characteristic of the main character Alex. I'll be talking about the good and evil in him ...
October 6, 2006

Stoichiometry problem
I know I wont be ever needing chemistry in my future career!...
September 9, 2006

You wont regret it 1:C 2:A 3:B 4:A 5:C 6:D 7:D 8:B 9:A 10:C 11:B 12:C 13:D 14:D 15:A 16:D 17:B 18:A 19:B 20:C
August 1, 2006

LMAO Christine, did you find the answer yet?
June 30, 2005

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