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The following osmotic pressures were observed for bovine serum albumin (BSA) in 0.15 M NaCl at 273 K. Calculate the molar mass of BSA.
BSA (g/cm3 solution) 0.020 0.030 0.040 0.060
(Pa) 820 1360 1900 3230
Calculate molarity?if one mole of sodium hydroxide was dissolved estimate the number of calories that would be produced. (ΔHsolnNaOH)
In an equilibrium mixture the partial pressures of SO2 and O2 are 0.165 atm and 0.755 atm, respectively. What is the equilibrium partial pressure of SO3 in the mixture?
dissolved in water in a calorimeter that has a total heat capacity of 1.494 kJ·K-1, the temperature decreases by 0.500 K. Calculate the molar heat of solution of KSCN.
This point we have magnesium ions in solution and fluoride ions in solution. Remember the Ksp of MgF2 is equal to 3.7 x 10^-8 at room temperature
ou have the following supplies: 2.00L of 1.00M KH2PO4 stock solution, 1.50L of 1.00M K2HPO4 stock solution, and a carboy of pure distilled H2O . How much 1.00M KH2PO4 will you need to make this solution?
a mixture of gases containing .20 mol of SO2 and .2 mol of O2 in a 4.0L flask reacts to form SO3. If the temperature is 25C, what is the pressure in the flask after reaction is complete?
What does ozone do that oxygen (or any other molecule) do? How? Ozone is created in what is believed to be a two-step process. It is destroyed naturally in one of two pathways. What are those reactions? On Your Own: What is the role of UV in the d..
For the reaction 2A + B --> 2C, if B is initially 4.0M and 2min later is 3.0M, what is the rate of appearance of C?
Suppose some of the solid Calcium Hydroxide is inadvertently transferred along with a supernatant liquid for analysis. Will more, less, or the same amount of HCL titrant be used for analysis
the molar enthalpy of vaporization of boron tribromide is 30.5 kJ/mol and its normal boiling point is 91 degrees celsius. what is the vapor pressure of BBr3 at 27 degree celsius ( R=8.314 kJ/mol)?
What types of bombs were dropped on Hiroshima and Nagasaki, resulting in Japans surrender at the conclusion of WWII? What isotopes were used in the bombs? What were the long term effects of these bombs?
Calculate the pH of a buffer that contains 0.060M ammonium chloride
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