What is the total amount of energy if a 12C charge produces 3 V?

What is the total amount of energy if a 12C charge produces 3 V?

Detailed Explanation

Voltage is defined as one joule per coulomb i.e. \(V = \frac{\mathrm{J} }{\mathrm{C} } \) then \(J = VC = 12 \times 3 = 36\) J.