Nuclear power plants have the greatest environmental impact during __________. A) operation B) mining C) waste disposal D) const
2 answers:
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Answer: The percent yield of the reaction is 77.0 %
Explanation:
According to stoichiometry:
2 moles of produces = 2 moles of
2.18 moles of is produced by=
of
Mass of =
percent yield =
Answer:
n = 3
Explanation:
Given the formula for the transition energy of an atom with 1 electron:
For the H transition n=5 to n=2:
Then we solve for nf with Z=2 (Helium)
Is near 3, actually the energy of the transitions are:
H (5⇒2) = -2.85 eV = 434 nm (Dark blue)
He (4⇒3) = -2.64 eV = 469 nm (Light blue)
I thought it was cool to see the actual colors. Included them.
