Hydrofluoric acid etches glass by reacting with the silica in it according to the following equation.

Question

H° = 54.5 kJ and S° = 436.5 J/K Calculate G° at 25°C for this reaction.

Answer 1

so because i can not post links on here, just take out the spaces in here

ht tp://qcommons. org/content/ hydrofluoric -acid-etches-glass-reacting-th-0

Answer 2

43