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Compute the osmotic pressure generated at 298K if a cell with a total solute concentration of 0.50 mol/L is immersed in pure water. The cell wall is permeable to water molecules however not to the solute molecules.
The heat of formation of KCl(s) is -436.7 kJ/mol and the heat of formation of KCl(aq, 1 m) is -419.5 kJ/mol. Determine the heat of solution of KCl.
The excess I3- was titrated with 50.00 mL of a 0.02000 M Na2S2O3 solution. What was the mass percent of arsenic trichloride in the original sample?
reaction takes place in acidic solution, \rm H_2O{(l)} and \rm H^+{(aq)} will be involved in the reaction. Places for these species are indicated by the blanks in the following restatement of the equation
acetic acid vapour contains a proportion of planar hydrogen-bonded dimers. the relative permittivity of pure liquid
Compute the mass of CO2 produced in the combustion of 14 gallons of gasoline. Presume that gasoline consists of octane (C8H18), and has a density of 2.65 kg/gallon.
an unseeded bod test is conducted on a polluted surface water sample by adding 100 ml of the sample to a 300-ml bod
What does it this mean according to the amount of pyrene and TiO2 added , the surface coverage (mol/g) could be caculated so if i have pyrene/TiO2= 50mg how can i caculate the surface coverage. water 50ml. it is sufrace coverage= 2x10^-5 mol/g
If 66 ml of Ethanol (C2H5OH;D=.79 g/cc is dumped into 600 ml of water, what is the molality of the solution
Do you use the same type of glassware when making solutions of varying molarity? Should you use a volumetric pipette or flask
Using the moles of air, temperature of air and slope of the Air Volume vs. 1/pressure graph, calculate the ideal gas constant.
An unknown mass of each of sand, initially at 24.0, absorbs 1970 of heat. The final temperature is 62.2 degrees C. Find the mass of sand.
A reaction mixture contains 0.41 M I2, 0.27 M Br2 and 3.5 M IBr. Which of the following statements is TRUE concerning this system. I2(g) + Br2(g) 2 IBr(g) Kc = 1.1 × 102
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