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A hydrogen atom electron is in the 6f state. State the values of all quantum numbers associated with this state. Find the value of energy of
the electron. Compute the values of L and possible values of Lz and the minimum and maximum angles between L and Lz
a sample of helium gas initially at 37 degrees celsius 785 torr and 2.00l was heated to 58.0 degrees celcius while the
The concentration of copper(II) sulfate in one brand of soluble plant fertilizer is 0.070% by weight. If a 15.0 g sample of this fertilizer is dissolved in 2.0 L of solution, what is the molar concentration of Cu^(2+)
calculate the ph at teh second equivalence point in the titration of 0.1000l of a 0.1000 m solution of the weak
Potassium nitrate has a lattice energy of -163.8 kcal/mo land a heat of hydration of -155.5 kcal/ mol. How much potassium nitrate has to dissolve in water to absorb
determine the end value of n in a hydrogen atom transition, if the electron starts in n=2 and the atom absorbs a photon of light with a frequency of 4.57X10^14 Hz
1. there are two stable isotopes of supposium su. su-191190.9609 u27.30 su-194193.9633 u72.70 compute the atomic mass
what should this person do from this point on to get a reasonable yield of 1-octanol?
acetic acid has a Ka of 1.8x10^-5. what is the pH of a buffer solution containing .15 M CH3COOH(acetic acid) and .15 M CH3COO^-?
How many grams of calcium carbonate are needed to produce 374mL of carbon dioxide gas at STP in the following reaction?
Two determinations of the dissolved oxygen content of a 200 mL sample of water, made five days apart, gave 5.3 ppm and 2.2 ppm of dissolved O2 respectively.
Calculate the heat in joules when 89.19 g of ice at 100.0 K is turned into liquid water at 10.0 degrees Celsius.
Question- A 52.0- mL volume of 0.35M Ch3COOH (ka = 1.8*10^-5) is titrated with 0.40 M NaOH. Calculate the pH after the addition of 15.0 mL of NaOH.
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