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Compute the zero point energy for CO2 the symmetric stretch is 1313 cm-1, the asymmetric stretch 2335 cm-1 as well as the doubly degenerate bend is 663 cm-1.
A solution containing sulfide ions is added to selectively precipitate one of the metal ions from solution. At what concentration of sulfide ion will a precipitate begin to form? What is the identity of the precipitate?
Explain why is it necessary to recrystallize your product. How do you when to recrystallize a compound. If your product is not completely dry while measuring the mp, it may appear to melt at 100C. Why
Here are some data collected on a sample of cesium exposed to various energies of light. Light energy ({\rm eV}) Electron emitted. Electron KE ({\rm eV}) 3.87 no - 3.88 no - 3.89 yes 0 3.90 yes 0.01 3.91 yes 0.02 Part A What is the threshold frequ..
an acid solution is 0.100 m in hcl and 0.190 m in h2so4.what volume of a 0.150 m koh solution would have to be added to
A mixture of fuel containing 0.530 mol CH4/mol, 0.330 mol C3H8/mol, and 0.140 mol C5H12/mol at 60.0°C and 125 kPa (gauge) enters a furnace at a rate of 91.0 L/min where it reacts with 17.4% excess air.
A buffer solution that is 0.10 M sodium acetate and 0.20 M acetic acid is prepared. Calculate the initial pH of this solution. The Ka for CH3COOH is 1.8 x 10-5 M. As usual, report pH to 2 decimal places
In Part A, we saw that the theoretical yield of aluminum oxide is 1.40 mol. Calculate the percent yield if the actual yield of aluminum oxide is 0.672 mol.
During this process, 346 J of work was done by the system and its internal energy 9185 J. What is the specific heat of the gas?
You would like to add DAP to a 1500 gal fermenter of Cabernet Sauvignon to raise its YAN level to 250ppm N. Resolute its current level of YAN to be 120ppm N. If each gram of DAP adds 0.21 gram of N to the must, explain how much DAP is needed
how many grams of sugar are in 15.0% concentrated solution with a total mass 125 g?
magnesium hydroxide is used in several antacid formulations. when it is added to water it dissociates into magnesium
You are to prepare 250 grams of 7.00% sodium carbonate solution. How many grams of sodium carbonate and how many mL of water do you use?
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