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A sample of nitrogen occupies a volume of 500 mL at 60 C and 500 mm Hg of pressure.What will its volume be at STP?
What is the pH of a buffer solution if 100.0 mL of the solution is 0.15 M with respect to acetic acid and contains 1.56 g of sodium acetate, CH3COONa.
In the series HF, HCl, HBr, HI, which is the strongest acid?
The endpoint in the titration is "overshot" A. is the reported molar concentration of the hydrochloric acid solution too high or too low. B. As a result of this poor titration technique, is the reported number of moles of B4O5(OH)4^2 would be too ..
Assume for simplicity that the volume of the mixture is exactly equal to the sum of the volumes of the ingredients (which is not true, by the way). What is the mass concentration of oxygen in the mixture?
what is the molality of a solution of glucose that contains 48.0 g of c6h12o6 dissolved in 410.0 g of water? use molar
2.4g of N2, 2.4g of H2, and 9.6g of CH4. What is the mole fraction of H2 in the mixture?
A reverse osmosis plant desalinates 5x10^6 L/day of feedwater containing 1500mg/L of salts yielding 3x10^6 L/day of product water with 75 mg/L of salt. What would the salt concentration be in the brine?
A solution is composed of 1.00 mol cyclohexane (P cy=97.6 torr) and 2.20 acetone (P ac=229.5 torr). What is the total vapor pressure above this solution
Show a series of reactions by which acetylene and an alkyl halide could be converted into 2-pentanol. Show all steps and all needed reagents/conditions.
Determine the lowest frequency of light (in Hz) required to remove an electron from a sample of Ti metal, if the binding energy of titanium
If the reaction is allowed to proceed until all substances have reached their equilibrium concentrations, determine delta G for the reaction.
how many mL of 1.00M NaOH should be added to .700 liter of 1.00M NaH2PO4? pKa = 6.82
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