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Better Living Through Chemistry Discussions of any and all sorts of mind-warping chemicals, pills, booze, mind machines, trippy stuff, current street prices, importing pharmaceuticals, smart drugs, nutrients, herbs, and altered states. Please try to keep your conversations "theoretical" in nature, since this is an open conference.

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 #1 
Old 2008-05-15, 00:53
DiSt0rTi0n DiSt0rTi0n is offline
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Default Better grades through passing chemistry or ITT we do DiStoRtioN's chemistry homework

Write a balanced chemical equation describing what happens when liquid oxygen is used to light charcoal.

Write a lewis dot structure for each of the products.

Determine the hybridization of each product.

If 4 gallons of liquid oxygen (density 1142 kg m-3) are used to light 50 pounds of charcoal.
Determine the limiting reagent
Calculate the mass of all reactants and products when the reaction is complete
Calculate the volume (at STP) of any gas formed by this reaction

Calculate [delta]Hrxn for this process.

Calculate the amount of heat released using the amounts given above.

Calculate the amount of water, with an initial temperature of 10 °C, that may be brought to boiling with this amount of energy.

Calculte the amount of water, with an initial temperature of 10 °C, that may be boiled with this amount of energy.
 #2 
Old 2008-05-15, 00:56
Ave2 Ave2 is offline
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Default Re: Better grades through passing chemistry or ITT we do DiStoRtioN's chemistry homework

i started to do so out of wanting to uselessly wave my e-penis around...but...

FUCK YOU and wrong forum you lazy bitchMad


you need to get banned, and how dare you imitate a trolling spick's Screen-Name?
 #3 
Old 2008-05-15, 00:59
cid cid is offline
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Default Re: Better grades through passing chemistry or ITT we do DiStoRtioN's chemistry homework

this is a different distortion? i thought the old one was back again. you ain't gonna get much props from bltc with a screen name like this
 #4 
Old 2008-05-15, 01:04
Ljudska Ljudska is offline
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Default Re: Better grades through passing chemistry or ITT we do DiStoRtioN's chemistry homework

you gotta be joking dude!

take it one step at a time.

first, write a balanced equation.
now, do up the Lewis structures (easy) and the hybridization (easy to cheat on)

then do the density-to-mole conversion on liquid O2 and find the number of moles of charcoal (just use the atomic mass of carbon I guess, even though charcoal is a lot more than that),
assume the reaction goes to completion and then figure the limiting reagent and amount of CO2 given off (moles --> volume)

from enthalpy tables figure the delta-H (products - reactants) and plug that into some Gibbs-derived equation for T.

then take the energy derived figure, and apply it to the heat capacity of water + all that other stuff to find how much can be boiled.

i don't know how to do the last part. but you ought to know how to get at least most of the way through this problem.
 #5 
Old 2008-05-15, 04:18
ilovechronic ilovechronic is offline
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Default Re: Better grades through passing chemistry or ITT we do DiStoRtioN's chemistry homework

Quote:
Originally Posted by cid
this is a different distortion? i thought the old one was back again. you ain't gonna get much props from bltc with a screen name like this


Dude distortion never left. He got banned and changed his name.
 #6 
Old 2008-05-15, 04:22
Ave2 Ave2 is offline
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Default Re: Better grades through passing chemistry or ITT we do DiStoRtioN's chemistry homework

Dude distortion never left. He got banned and changed his name.

No way! Sherlock Holmes EEK!
 #7 
Old 2008-05-15, 09:33
Lamabot Lamabot is offline
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Default Re: Better grades through passing chemistry or ITT we do DiStoRtioN's chemistry homework

IN BEFORE LOCK LOL! Really bored though so...
Write a balanced chemical equation describing what happens when liquid oxygen is used to light charcoal.
Pure charcoal is just carbon, otherwise they would have indicated what formula it has
C(s)+O2(l)->CO2(g)

Write a lewis dot structure for each of the products.

http://img363.imageshack.us/img363/4853/co2zw5.jpg
Determine the hybridization of each product.
sp hybrid

If 4 gallons of liquid oxygen (density 1142 kg m-3) are used to light 50 pounds of charcoal.
Determine the limiting reagent

Oxygen

Calculate the mass of all reactants and products when the reaction is complete

39.97kg

Calculate the volume (at STP) of any gas formed by this reaction

12104 L


Someone else do the rest oh yeah and gtfo
 #8 
Old 2008-05-15, 15:41
Regular
 
Default Re: Better grades through passing chemistry or ITT we do DiStoRtioN's chemistry homework

just so everyone knows,

distortion==Chemical Eudomonia. SRSLY!
 #9 
Old 2008-05-15, 16:55
stateofhack stateofhack is offline
Regular
 
Default Re: Better grades through passing chemistry or ITT we do DiStoRtioN's chemistry homework

IN BEFORE LOCK LOL! Really bored though so...

Pure charcoal is just carbon, otherwise they would have indicated what formula it has
C(s)+O2(l)->CO2(g)

http://img363.imageshack.us/img363/4853/co2zw5.jpg

sp hybrid

Oxygen

39.97kg

12104 L


Someone else do the rest oh yeah and gtfo

And we have the retard with 3 mistakes! Not one or two but three!

Thanks for playing!

bai
 #10 
Old 2008-05-15, 18:32
eShrooms eShrooms is offline
Regular
 
Default Re: Better grades through passing chemistry or ITT we do DiStoRtioN's chemistry homework

Quote:
Originally Posted by DiSt0rTi0n
Write a balanced chemical equation describing what happens when liquid oxygen is used to light charcoal.

Write a lewis dot structure for each of the products.

Determine the hybridization of each product.

If 4 gallons of liquid oxygen (density 1142 kg m-3) are used to light 50 pounds of charcoal.
Determine the limiting reagent
Calculate the mass of all reactants and products when the reaction is complete
Calculate the volume (at STP) of any gas formed by this reaction

Calculate [delta]Hrxn for this process.

Calculate the amount of heat released using the amounts given above.

Calculate the amount of water, with an initial temperature of 10 °C, that may be brought to boiling with this amount of energy.

Calculte the amount of water, with an initial temperature of 10 °C, that may be boiled with this amount of energy.


FUCK you Acolyte.
 
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