What Is the Free Energy Change for the Reaction SiO₂(s) $\rarr$

Short Answer

What is the free energy change for the reaction SiO₂(s)+ Pb(s) $\rarr$ PbO₂(s)+ Si(s)?
$\Delta$ G°_f (PbO₂)= -217 kJ/mol
$\Delta$ G°_f (SiO₂)= -856 kJ/mol