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1. Calculate the degree of ionization of cesium vapor at 10-6 atm at the two temperatures 2260 K and 2520 K.
2. Calculate the degree of ionization of calcium vapor in the sun's chromosphere. The temperature and pressure of the suns chromosphere are approximately 6000K and 10-10 atm, respectively.
How much heat is emitted when 4.55 of water condenses at 25 ? The heat of vaporization of water at 25 is 44.0.
Using the following spectral information, determine the name of unknown organic compound A. For full credit, explain why/how the spectral information led you to your answer.
a 0.331-g sample of aspirin prepared in the lab was dissolved in 95% ethanol and titrated to a phenophthalein endpoint with 16.7 ml of 0.107M NaOH Calculate moles of scetylsalicylic acid present in the aspirin sample ;What mass (g) of scetylsalicy..
Write the net ionic equation to show the formation of a precipitate (insoluble salt) when the following solutions are mixed. Write noreaction if no insoluble salt forms KCl(aq)+Pb(NO3)2(aq)
The rate at which an Australian tree cricket chirps is 184 per minute at 35 degrees C, but only 50 chirps per minute at 10 degrees C. Assuming that cricket chirping follows the Arrhenius Law, what is the activation energy for the cricket chirping
You are the project manager of an environmental company that was hired to cleanup a historical arsenic contamination site. Soil sampling results indicated the area impacted with arsenic above action levels is 30 feet by 55 feet. The depth of th..
Enzymes are proteins possessing catalytic activity. Proteases are a class of enzymes that catalyze the hydrolysis (i.e., cleavage by the addition of water) of the peptide bonds linking amino acids in proteins according to the following reaction:
the 1H NMR spectrum contains a triplet at 1.08 ppm (3H), a singlet at 2.5 ppm (3H), and a quartet at 2.45 ppm (2h). the magnitudes of the splitting of both the quartet and triplet are identical. deduce the structure of this compound and assign all..
Combustion analysis of 2.400 g of an unknown compound containing carbon, hydrogen, and oxygen produced 4.171 g of CO2 and 2.268 g of H2O. What is the empirical formula of the compound
A voltaic cell consists of an Mn/Mn2+ half-cell and a Pb/Pb2+ half-cell. Calculate [Pb2+] when Ecell is 1.017 V and [Mn2+] = 0.589 M. Use reduction potential values of Mn2+ = -1.18 V and for Pb2+ = -0.13 V
Depict the major product for the reaction. Include stereochemistry where relevant. State the "NR" for no reaction.
When steam (hot water) is passed over iron, hydrogen gas and iron (3) oxide are formed. What weight of steam would be needed to react completely with 100.0g of iron.
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