What is the value of ∆G˚(J/mol) for ammonium chloride? NH3(g)+HCl(g)––>NH4Cl(s)?
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given the thermodynamically data of 298˚K ∆Hf˚(kJ/mol) S˚(J/K•mol) NH3(g): -46.19 192.5 HCl(g): -92.30 186.69 NH4Cl(s): -314.4 94.6
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Answer:
do products - reactants to get delta H and delta S plug into delta G= delta H -T delta S make sure you convert one of the units kJ vs J http://www.kentchemistry.com/links/Kinetics/Gibbs.htm
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