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A solution contains naphthalene C10H8 dissolved in hexane C6H14 at a concentration of 10.33% napthalene by mass.
Calculate the vapor pressure at 25 degree C of hexane above the solution. The vapor pressure of pure hexane at 25 degree C is 151 torr
Its activation energy is 262 kJ/mol. At 477 celcius its half life is 5 minutes. What is its half life at 527 celcius (in seconds)?
At 10 degrees, Kc = 56.3 for the reaction below. H2 + Cl2 --> HCl
List the following aqueous solutions in order of increasing boiling point: 0.121 m C6H12O6 (glucose), 0.042 m LiBr, 0.052 m Zn(NO3)2
At 9.°C and 1.40 atm pressure, a sample of helium gas occupies a volume of 5.10 L. The sample is compressed and heated to 60.°C. Calculate the final pressure of the sample, if the final volume is 3.64 L.
Classify the following solutions as saturated, unsaturated, or supersaturated, based on your graph. Note that c. and d. require you to convert from the concentrations give to g/100 g H2O before you refer to the graph.
The vapor pressure of a solution containing 5.40 g of a nonvolatilesubstance in 90 g water is 23.32 torr. What is the molar mass of the solute?
If 24g Mg is used and the percentage yield is 95%, how many grams of magnesium hydroxide should be recovered?
Which of the following gases has the largest Henry's law constant, Kh, for dissolution in water at room temperature and why
What is the minimum amount of energy from the sun required to produce 4 g of glucose in this way? ?Hf of glucose is -1260 kJ/mol.
Calculate the molality of C2H5OH in a water solution that is prepared by mixing 50.0 mL of C2H5OH with 108.4 mL of H2O at 20°C. The density of the C2H5OH is 0.789 g/mL at 20°C. (Assume the density of water at this temperature is 1.00 g/mL.)
what is the flow rate of the gas stream leaving the condenser in mole/ min. hint first calculate the molar flow rate of the conensate and note that rate at which C6H14 an N2 enter the unit must equal to the total rates at which they leave in the t..
The pKa of phenol is 9.89. What is the Ka of phenol?
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