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How do you solve this? what formulas do you need? how do you go from n=3 to n=5? Please help! what frequency of light is required to cause an electron in the helium ion (He+) to undergo a transition from level n=3 to level n=5? a) 2.34x10^14 Hz b)9.36x10^14Hz c)6.20x10^-19 Hz d)1.55x10^-19 Hz e)1.10x10^-6 Hz
confirm that the z-component of orbital angular momentum is a basis for an irreducible representation of A2 symmetry in C3v
discribe the points of rutherford's model for the nuclear atom and how he tested this model. based on his expiriments, how did ruthford envision the structure of an atom?
A solution is made by dissolving 21.5 grams of glucose (C6H12O6) in 255 grams of water. What is the freezing-point depression of the solvent if the freezing point constant is -1.86 °C/m?
one type of electromagnetic radiation has a frequency of 107.1 MHz another type has a wavelength of 2.12*10^-10m,and another type ofelectromagnetic radiation has photons with energy equal to 3.97*10^-19J/photon. identify each type of electromagnet..
A gas sample containing 1.65 mol at 25°C exerts a pressure of 413 torr. Some gas is added to the same container, and the temperature is increased to 50.°C.
A large flask with a volume of 936 mL is evacuated and found to have a mass of 134.66g. It is then filled to a pressure of 0.967atm at 31 degrees C with a gas of unknown molar mass and then reweighed to give a new mass of 153.81g. What is the mola..
When you heated the hydrated compound this process starts slowly at first find out the reason behind this and compute k for this acid if A 0.020 M solution of weak acid HA is 0.60% ionized.
Write a balanced SN1 chemical equation between each alkyl halide and the best nucleophile in solution.
The vapor pressure of carbon tetrachloride, , is 0.354 atm and the vapor pressure of chloroform, is 0.526 atm at 316K . A solution is prepared from equal masses of these two compounds at this temperature
Clearly sketch both a Michaelis-Menten plot (initial velocity vs. substrate concentration) and a Lineweaver-Burke (double-reciprocal) plot showing the activity of an enzyme
what is the ph of a Solution prepared by mixing 163.0 ml of 2.4×10?3 MHCl and 382.0 ml of 1.4×10?3 HClO4 (Assume that volumes are additive.)
a nitrile (RCN) is converted to what functional group when treated with LiAlH4 followed be an aqeous workup a carboxylic acid is converted to what functional group when treated with LAH followed by an aid workup
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