An electron in a 1D infinite square well of width L=1 nm is in an equal superposition of the n=1 and n=2 states, so ⟨E⟩=(1/2)E1+(1/2)E2 with En=n2π2ℏ2/(2mL2). Using ℏ=1.05457×10−34 J·s, m=9.10938×10−31 kg, 1 eV=1.60218×10−19 J, what is the expected energy ⟨E⟩ in eV?