Homework Help: CHEMISTRY

Posted by MONICA on Wednesday, August 1, 2012 at 7:12pm.

During a spontaneous chemical reaction, it is found that äSsys < 0. This means __________

a. äSsurr < 0 and its magnitude is < äSsys.
b. äSsurr < 0 and its magnitude is > äSsys.
c. äSsurr > 0 and its magnitude is < äSsys.
d. äSsurr > 0 and its magnitude is > äSsys.
e. an error has been made, as Ssys > 0 by necessity for a spontaneous process.
Heat

CHEMISTRY - DrBob222, Thursday, August 2, 2012 at 5:05pm
For a system to be spontaneous you want
dStotal = dSsurr + dSsys = >0
Look to see if d doesn't satisfy that.

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