Calculate the number of photons per cubic centimeter inside a
cavity whose walls are heated to...
Calculate the number of photons per cubic centimeter inside a
cavity whose walls are heated to 3000 K. Compare this to the
corresponding number at 3 K.
Solutions
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1. Calculate the number of atoms per cubic centimeter
of lead given that the density of lead is 11.3 ?/??3 and its atomic
weight is 207.21.
2. Calculate the ionization potential of a singly ionized ?? 4
atom.
3. (a) How much energy would be released if 1 g of deuterium were
fused to form helium according to the equation 2? + 2? → ?? 4 + ??
(b) How much energy is necessary to drive the two deuterium nuclei...
File density.txtPreview the document contains a list of the
density in grams per cubic centimeter of all the planets, plus
Pluto. It looks like this: Mercury 5.43 Venus 5.25 Earth 5.52 Mars
3.83 Jupiter 1.33 Saturn 0.71 Uranus 1.24 Neptune 1.67 Pluto 2.05
Write a program named lastname_firstname_density.py that reads the
numbers from the file into a list and then calculates and prints,
properly labeled: The minimum density The maximum density The
average density The median density (Hint: use split()...
Question: Calculate the mass density (in kilogram per cubic
meter) of a cylinder whose mass is (13.77 ± 0.11) g, diameter is
(1.83 ± 0.07) cm, and height is (3.25 ± 0.05) cm. In all
calculations below, you must also determine the uncertainties in
the calculated values.
1. Calculate the percent uncertainty for the mass of the
cylinder.
( 1 2 3 4 5 ) (2.25 pts)
2. Calculate the percent uncertainty for the diameter of the
cylinder.
( 1...
The energy of light photons varies with wavelength. Calculate
the energy per mole of photons for each of the following colors of
visible light.
Red Light, λ = 697 nm Green Light, λ = 549 nm Blue Light, λ =
403 nm
answer in kJ/mol
2. a) A) Find the number of atoms per square centimeter in
silicon in the (100) (110) and (111) planes.
b) A unit cell of GaAs is shown as below. Calculate the density
of GaAs (a=5.65 Angstrom, and the atomic weights of Ga and As are
69.72 and 74.92 g/mol, respectively).
c) How many valence electrons are in a tin atom? How many
valence electrons are in a Ga atom and an As atom, respectively? A
GaAs sample doped with...
Colas per week Bone
Mineral Density (grams per cubic centimeter)
0 0.907
0 0.896
1 0.881
1 0.870
2 0.853
2 0.835
2 0.836
3 0.816
4 0.789
5 0.767
5 0.762
6 0.733
7 0.704
7 0.714
7 0.710
The least-squares
regression line treating cola consumption per week as the
explanatory variable...
A) Y with caret = ___x
+ (___)
B) Interpert the slope
___
C) Interpret the
y-intercept?
D) Predict the bone
mineral density of the femoral neck...