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Explain how this model can be used to reduce the number of dangling bonds from 49 (unreconstructed) to 19 (constructed). B. Explain the origin of the name dimer adatom stacking fault.
The liberated hydrogen occupied a volume of 320ml when collected over water at 25 degrees celcius and the pressure of the gas was equalized to the atmospheric pressure of 750mm as in this lab. Calculate the equivalent weight of the metal, M.
The electron in a hydrogen atom falls from an excited energy level to the ground state in two steps, causing the emission of photons with wavelengths of 2624 nm and 97.2 nm, respectively.
A 0.300-M solution of X (Mm = 171 g/mol) has a density of 1.096 g/ml. What is the molality of X in the solution?
Find the de Broglie wavelength (in nm) associated with an electron that is moving with a velocity of 1900 km/s. The electron rest mass is 9.11 x 10-31kg.
How many valence electrons are in a Kr atom?
The molar heat capacity of a compound with the formula C2H6SO is 88.0 J/mol-K. what is the specific heat of this substance.
The original volume (before the .406 mole C(g) begins to decompose) is 10.00L. What is the volume in the cylinder at equilibrium?
Determine end value of n in a hydrogen atom if the electron starts in n=4 and atom emits wavelength of 486nm.
It required 16ml of a sodium hydroxide solution titrated against a standard solution of 0.79g of potassium hydrogen phthalate in water to reach equivalence point. What is the molarity of the sodium hydroxide?
a cylinder measuring 5.7 cm wide and 6.8 cm high is filled with gas. The piston is pushed down with a steady force measured to be 11 N.
When isobutylene (CH3 - C=CH2) is treated with acid, two products result: 2, 4, 4-trimethyl-2-pentene and 2,4,4-trimethyl-1-pentene
What is the mass of 8.00 1022 molecules of tetraphosphorus decaoxide? (b) How many P atoms are present in this sample?
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