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What is the wavelength (in meters) of photons with the following energies? In what region of the electromagnetic spectrum does each appear?a)141 KJ/moleVisible light, infrared, microwave, X rayb)4.60x10^-2 KJ/moleVisible light, infrared, microwave, X rayc)4.77×10^4 KJ/moleVisible light, infrared, microwave, X ray
Asumming equal concentrations of conjugate base and acid, which one of the following mixtures is suitable for making a buffer solution with an optimum ph
What is the maximum fermenter diameter that can support heat removal from a culture growing at 16 degrees Celcius with an oxygen uptake rate (OUR) of 200 mM/L/hr when cooling water
The work function (i.e binding energy) W, of cesium of metal is 3.43 x 10^-19 J. Calculate the kinetic energy of the ejected electron if light of frequency 1.00 x 10^15 s-1 is used for irradiating the metal.
When MCl4(NH3)2 is dissolved in water and treated with AgNO3, 2 moles of AgCl precipitate immediately for each mole of MCl4(NH3)2. Whats the coordination number of M in the complex?
Durning the synthesis of Aspirin from Methyl salicylate we perfom a recrystallization. How do I relate the % yield of each compound to the efficacy of the recrystallization technique?
A cylindrical glass tube 15.0 cm in liength is filled with ethanol. The mass of ethanol needed to fill the tube is found to be 9.64g.
The CNOG ion is very unstable and is the reason why the mercuric compound is explosive. On the other hand, mercury cyanate, Hg(NCO)2, is not explosive. The cyanate ion (NCOG) is a stable ion. Use resonance structures and electronegativities to exp..
a mixture of caco3 and cao weighing 0.630 g was heated to produce gaseous co2. after heating the remaining solid
Silicon tetrafluoride reacts with F- to produce the hexafluorosilicate ion, SiF6 2-. GeF4 behaves similarily, but CF4 does not. (A) Draw Lewis structures for SiF4, GeF6 2-, CF4. What is the hybridization of the central atom in each species
A 12.00 g sample of manganese is heated and allowed to react completely with the oxygen in the air to form an oxide having a mass of 18.99 g. What are the moles for each component? Also, what is the whole number ratio of manganese to oxygen.
Calculate the pH of the solution resulting from the addition of 10.0 mL of 0.10 M NaOH to 50.0 mL of 0.10 M HCN
a 0.336 gram sample of sodium carbonate required 28.6ml of a sulfuric acid solution to reach the endpoint for the reaction Na2CO3 +
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