Given the following entropy values (in `JK^(-1)"mol"^(-1))` at 298 K atm : `H_(2)(g):130.6.Cl_(2)(g):223.0andHCl(g): 186.7` . The entropy change (in `JK^(-1)"mol"^(-1))` for the reaction
`H_(2)(g)toCl_(2)(g)to2HCl(g)`is

Given the following entropy values ( in JK^(-1) "mol"^(-1) ) at 298 K and 1 atm: H_(2)(g):130.6, Cl_(2)(g):223.0, HCl(g): 186.7 . The entropy change (in JK^(-1) "mol"^(-1) ) for the reaction H_(2)(g) + Cl_(2)(g) to 2HCl(g) , is (a) +540.3 (b) +727.0 (c) -166.9 (d) +19.8

The heat of formation of the compound in the following reaction is H_(2)(g)+Cl_(2)(g)to2HCl(g)+44kcal

Standard entropies of H_(2)(g),O_(2)(g) " and "H_(2)O(l) are respectively 126.6, 201.2 and 68JK^(-1)mol^(-1) Determine DeltaS" for "2H_(2)(g)+O_(2)(g) to 2H_(2)O(l) at 25^(@)C .