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Spectroscopists have observed He+ in the outerspace. This ion is a one-electron species lik ea neutral hydrogenatom. Calculate the energy emitted for the transition from the n =5 to the n = 3 state in this ion using the equation:
En= -Z^2/n^2(2.179 x 10^-18J)
Z is the positive charge of the nucleus and n is principlequantum number. In what part of the electromagnetic spectrum doesthis radiation lie?
the Cu^+ and I^- ions in equilibrium at 298 K are both equal to 1.03 x 10^-6 M, what is the value of delta G for the reaction?
Was measured at several temperatures and the following data was collected, Using this data, graph ln k 1/T. using your graph determine the value of Ea please show work and show a graph
what is the molarity of a KOH solution if 50 mL is neutralized by 17.3 mL of a .150 M H2SO4 solution
If 200 g of water at 20 degrees celcius absorbs 41840 J of energy, what will its final temperature be
Calculate the concentration of the Ca2+ in ppm (or mg/L) using the correct number of significant figures assuming the 1.0 HCl has a density of 1.000 g/mL. Show these calculations clearly in your notebook and on your report form. Recall that calciu..
Calculate the feed ratio of adipic acid and hexamethylene diamine that should be employed to obtain polyamide of approximately 15000 molecular
Constant external pressure of3.00 atm, followed by2) against a constant external pressure of 2.00 atm. Calculate q and w. (101.33 J = 1 L atm)
Methyl Orange was synthesized using a diazo-coupling reaction. Show how you would synthesize Yellow #3 and Red #32
Suppose NaHCO 3 is a dominating constituent - How to find the production rate of NaHCO 3
The peak absorbance of the first chromatographic peak at 300nm was 0.020 and at 350nm 0.030. What is the main component of the first eluting peak and what percentage of the total absorbance at 300nm is due to this component?(assuming the light pat..
The heated, ammonium carbonate decomposes as follows. NH4CO2NH2(s) 2 NH3(g) + CO2(g) At a certain temperature the equilibrium pressure of the system is 0.318 atm. Calculate KP for the reaction.
Calculate standard Delta G for the following reaction at 25 C. You will have to look up the thermodynamic
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