For the galvanic cell reaction, expressed below using shorthand notation, what half-reaction occurs at the cathode? Ba(s) ∣ Ba2+(aq) ∣∣ Cd2+(aq) ∣ Cd(s)

What element is being oxidized in the following redox reaction? Fe2+(aq) + NH4+(aq) → Fe(s) + NO3⁻(aq)

Nickel crystallizes in a face-centered cubic structure. What is the edge length of the unit cell if the atomic radius of nickel is 125 pm?

Complete the following equation of transmutation. Al + He → P + ________

Given the following balanced equation, determine the rate of reaction with respect to [O2]. 2 SO2(g) + O2(g) → 2 SO3(g)

What is Δn for the following equation in relating Kc to Kp? C3H8(g) + 5 O2(g) ⇌ 3 CO2(g) + 4 H2O(l)

45. FREE POINT! =)  Select the FREE POINT below! 

Which of the following nuclides is most likely to undergo beta decay?

What percentage of a radioactive substance remains after 3.00 half-lives have elapsed?

Determine the identity of the daughter nuclide from the positron emission of Ge.