AP Exam Review

Question 1

Nernst Equation: E(cell) = E*(cell)-(RT)(lnQ)/(nF)

Answer 1

Relates the cell potential (E) under non-standard conditions to the standard cell potential (E*), temperature (T), number of electrons transferred (n), Faraday’s constant (F), universal gas constant (R), and the reaction quotient (Q). This equation allows for the calculation of cell potential when reactant and product concentrations are not at standard conditions

Question 2

ΔG=−RTln(Keq)

Answer 2

R=8.314J/mol*K