Final Exam CHEM 219 Questions and Answers | Latest Update
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Course
CHEM 219
Institution
CHEM 219
The speed of a wave (c) is the product of its frequency (ν) and wavelength (λ).
E = hv = h x c / λ
nm to m
or
m to nm
1 m / 10^9 nm
or
10^9 nm / 1 m
What is the maximum number of electrons that can have the quantum numbers n = 3, ℓ = 2,
mℓ = -2?
The Pauli exclusion principle st...
✓ One driving force in the vaporization of a liquid is an increase in
disorder (entropy). Gas molecules are more disordered than liquid
molecules. Adding a non-volatile solute to a liquid also increases the
disorder of the liquid molecules, so the difference in disorder between
the liquid and gas phases is not as great as with a pure substance.
Therefore the tendency to vaporize is not as great for the solution as it
is for the pure liquid, resulting in a lower v apor pressure for the solution.
Which of the following aqueous solutions would have the highest boiling point?
A) 1.0 m NaNO3
B) 1.0 m HF
C) 1.0 m C₆H₁₂O₆
D) 1.0 m CaCl2
1 | P a g e | G r a d e A + | 2 0 0 2 5
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