Homework Statement
Hydrogen is in n=2, l=1, and m=0.
Wave function is ψ(r,θ,∅)=(1/4(√2pi)ab3/2)(r/ab)(e-r/2ab)(cos(θ)
Find <r> for this state.
Homework Equations
P(r) = 4pir2|R(r)|2
<r> is equal to the integral from 0 to ∞ of P(r)dr
The Attempt at a Solution
I understand...
Homework Statement
Refer to the attached binary phase diagram. Substance A has a melting point of 600 °C and B has a melting point of 1200 °C. A mixture of 70 weight percent B and 30 weight percent A is held at 950 °C for a long time - long enough to reach equilibrium.
a) Determine the weight...