Question

1.Calculate the value of ΔG∘rxn for the following reaction at 282 K. Ka = 2.9 × 10–8 and assume Ka does not change significantly with temperature.answer in kj/mol
HClO(aq) + H2O(l)⇌ClO-(aq) + H3O+(aq)

Answer 1

ΔG∘rxn= -RTln(Ka).

ΔG∘rxn= - 8.314 x 282 x ln(2.9 × 10–8)=

40,691.9049 Joul.=40,6919049 kJ