AP Chemistryhardmcq1 pt
Which quantity is NOT multiplied when a half-reaction equation is doubled?
A.E°
B.ΔG°
C.Number of electrons
D.Charge transferred
Explanation
Core Concept
Standard potentials are intensive — doubling the equation leaves E° unchanged, while ΔG°, n, and the electron count all double.
Correct Answer
AE°
More Unit 9: Applications of Thermodynamics practice questions
- easyWhat is the function of the anode in electrorefining copper?
- easyWhich change increases the entropy of a system?
- hardUsing E°: Fe²⁺/Fe = −0.44 V and Fe³⁺/Fe²⁺ = +0.77 V, which statement is correct?
- hardWhich reaction represents the cathode half-reaction in the hydrogen fuel cell?
- hardA 3.00 A current passes through AgNO₃ solution for 1930 s. What mass of silver deposits? (Ag = 107.9 g/mol)
Practice more AP Chemistry questions with full explanations
Practice Unit 9: Applications of Thermodynamics Questions →