Posted by please, help me on Sunday, April 17, 2011 at 8:53pm.
i don't know how to solve this. looked through all my notes but i'm not sure what kind of formula i am to use or if i even need one! please help me to understand the theory behind this:
"calculate the work need to make room for the products in the combustion of S8(s) to SO2(g) at 1 atm and 0 degree C."
thank you for your time!
* chem repost  bobpursley, Sunday, April 17, 2011 at 7:29pm
work at constant temp and pressure, will be pressure*deltaV
in this case, you get two volumes of product
S8(s)+4O2>>8SO2
work= p*dV on a per S8 mole basis,
work= 101.3kPa*4*22.4dm^3*1m^3/1000dm^3
work= above in Joules
check my thinking
* chem repost  please, help me , Sunday, April 17, 2011 at 8:06pm
thank you for responding, where did you get "4 x 22.4dm^3/1000dm^3" from though? I'm not sure where to get volume from

chem repost for bobpursley  bobpursley, Sunday, April 17, 2011 at 8:54pm
on a per mole basis, you release 4 moles of new gas. At STP, it occupies 2*22.4 liters

chem repost for bobpursley  please, help me, Sunday, April 17, 2011 at 9:11pm
oh i didn't know that before, thank you very much! :)
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