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A hydrogen atom has its electron in the n = 5 level. The radius of the electron's orbit in the Bohr model is 1.323 nm. Find the de Broglie wavelength of the electron under these circumstances.
____________m
What is the momentum, mv, of the electron in its orbit?
____________kg-m/s
many proteins contain metal porphyrin molecules that can be modeledas a planar square with an edge length of 10a. the
Question- When nitroglycerine, C3H5(NO3)3, explodes, it produces nitrogen, oxygen, water and carbon dioxide. If the heat of the reaction is -5692 kJ/mol,
performed using 1.8912g of zinc and 1.5965g of iodine. Determine the limiting reactant and calculate the theoretical yield of zinc iodine in grams.
A volumetric pipette was found to deliver 5.01 mL of ethanol at 24°C. The mass of the ethanol was measured to be 3.9462 g. What is the density of ethanol at 24°C
A sample of calcium metal is contaminated by a certain amount of highly toxic, radioactive thorium metal (Th). A 10.00-gram sample of this mixture is dissolved in acid, and reacted with excess sodium oxalate to form a precipitate which is a mixtur..
a the solubility product for lead bromide is6.3x10-6. what is the molar solubility of lead bromidein moles per liter of
questioncompare the properties of elements and compounds. give two examples of each including one example that exists
if the methane contained in 4.00 l of a saturated solution at 25 circ rm c was extracted and placed under stp
Explain which of the following reagents or tests would b the most useful in quickly differentiating between 3-methylphenol as well as a benzene ring with ---CH2-CH2-OH attached
The rate constant for a certain reaction is k = 5.80×10?3s^-1 . If the initial reactant concentration was 0.950 M , what will the concentration be after 3.00 minutes
What is the concentration of KMnO4 when you mix 2 mL of .160 M KMnO4 with 10 mL of .250 M oxalic acid. Assuming that it took 120 s to observe the color change in the reaction, what is the rate of the reaction
Explain why Copper metal does not dissolve in a typical strong acid such as hydrocholoric acid but will dissolve in 1M nitric acid
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