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A student placed 18.5g of glucose (C6H12O6) in a volumetric flask, added enough water to dissolve the glucose by swirling, then carefully added additional water until the 100. mL mark on the neck of the flask was reached. The flask was then shaken until the solution was uniform. A 30.0 mL sample of this glucose solution was diluted to 0.500 L. How many grams of glucose are in 100. mL of the final solution?
Draw the Lewis structure for the PO4-3 ion, indicating any resonance forms. On the basis of electron configurations, predict the formula of the Type I ionic compound formed from the elements Z=49 and Z=51.
For a gaseous reaction, standard conditions are 298 K and a partial pressure of 1 atm for all species. For the reaction C2H6 (g)+ H2 (g) -> 2CH4
A plot of k versus 1/T has a slope of -7, 445. What is the E_a (energy of activation) for this reaction? OPTIONS: A. 90.79 kJ/mol B. 895.5 kJ/mol C
What concentration of sodium chloride in water is needed to produce an aqueous solution isotonic with blood (blood, pi=7.70 atm at 25 degree C)
If you titrate 1.0 g of H2O2 solution (30wt%) with KMnO4, 25.05 ml of this KMnO4 solution is used. What is the molarity of KMnO4?
A compound is heated to produce gas whose molecular mass is to be determined. The gas is collected by displacing water in a water filled flask inverted in a trough of water
After doing some analysis, the probe determines that the gas pocket contains an element that has an ionization energy of I= 1350 Kj/mol
The pH after adding 10. mL of .10 M NaOH is 4.31. Calculate the total volume of .10 M NaOH that the buffered sample can absorb
If 0.327 moles of H2S effuses in 462 seconds, how many seconds would it take for the same number of moles of CH3Cl to effuse?
What is the theoretical yield of PH3 when 150 grams of Na3P is mixed with 250 grams of H2O? If the actual yield is 30 grams, what is the % yield?
the interferometer mirror of an FTIR spectrometer travels + or - 1.0 cm. Calculate the approximate resolution (cm^-1) for such a spectrometer. At what retardation interval, delta, must the interferogram be sampled to cover the spectral range of 0 ..
You have 47.0 L of 93.00 M stock solution that must be diluted to 0.500 M. How much water should you add
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