Step 4 of 6 Calculate the energy for an electron in a 0.43-nm box using the formula from Step 3. E = 490.26 X 840 kJ-mol-1 Step 5 of 6 Calculate the exact energy for an electron in the first excited state in a 0.43-nm box. Recall that for a particle in a one-dimensional box we can write En = Eexact=49197 x KJ-mol-1 Submit n²h² we can therefore calculate an exact solution. 8mL 2'
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