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December 11, 2016

Homework Help: CHEMISTRY> HELP QUICK! pls

Posted by Lucinda on Saturday, September 4, 2010 at 11:05pm.

Use the given data at 298 K to calculate ¦¤G¡ã for the reaction
2NO(g) + 2H2(g) ¡ú N2(g) + 2H2O(g)
Substance NO(g) H2(g) N2(g) H2O(g)
¦¤H¡ãf (kJ/mol) 90 0 0 -242
S¡ã(J/K¡¤mol) 211 131 192 189

a. -270 kJ
b. -630 kJ
c. -3.46 x 104 kJ
d. -667 kJ

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