# Chemistry

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Using data in table below and S °(NH3(g))= 192.5 J·mol-1·K-1, calculate ÄfS° for NH3(g) in J·mol-1·K-1.
Compound S °, J·mol-1·K-1 Compound S °, J·mol-1·K-1
C(s) 5.69 H2(g) 130.6
N2(g) 191.5 O2(g) 205.0
Na(s) 51.0 Cl2(g) 223.0
Ca(s) 154.8 S(s) 31.8

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