1. Determine the standard entropies of all products and reactants using the entropy table. Given the equation 2H2O + CO2 ' CH4 + 2O2, the entropies would be 188.7 for H2O, 213.6 for
http://www.ehow.com/how_5171943_calculateentropy...

Note: this formula is only true for ideal gasses. I prefer using the molar version, instead of the molecular version. S = n*R*ln(V) + n*R/(gamma1) * ln(T) + constant. Either way,
http://answers.yahoo.com/question/index?qid=201303...

Answer the formula is, del S=RlnV2/V1
http://wiki.answers.com/Q/Entropy+change+of+an+ide...

The reaction is exothermic, and it liberates 1204 kJ/mol of thermal energy. If the system is to remain at a constant temperature, then this energy must be transferred to the surroundings
http://uk.answers.yahoo.com/question/index?qid=201...
