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Suppose solute A has a distribution coefficient of 1.0 between water and diethyl ether. Demonstrate that if 100 ml of a solution of 5 g of A in water were extracted with two 25 ml portions of ether a smaller amount of A would remain in the water than if the solution were extracted with one 50 ml portion of ether.
consider the second-order decomposition of nitroysl chloride2noclg rarr 2nog cl2gat 450 k the rate constant is 15.4
thermal equilibrium is reached, the temperature of the aluminum sample plus water mixture is 29.4 degrees C. What is the specific heat of aluminum
What molarity of aqueous aluminum sulfate solution can be expected to show the same conductivity
How long would it take for 1.50 mol of water at 100.0 C to be converted completely into steam if heat were added at a constant rate of 21.0 J/s?
A mixture of gas contains 46.3 % methane, 37.2% ethane and 16.5% propane(by mass). A 477g sample of the gass is burned with exces oxygen
What is the pH of a solution made by dissolving 0.052 grams of RbOH in enough water to make 64.9 mL of solution
A 2.63 L flask is filled with carbon monoxide at 27°c until the pressure is 6.72 ATM. Calculate the total pressure after 2.89 moles of carbon dioxide has been added to the flask.
If 3.8 kcal is released by combustion of each gram of glucose, how many kilocalories are released by the combustion of 1.41 mole of glucose?
a cylinder with a moveable piston contains 0.553 mol of gas and has a volume of 253 ml. what will its volume be if an
A tank of oxygen holds 20.0 L of oxygen (O2) at a pressure of 15.0 atm. When the gas is released, it provides 300. L of oxygen. What is the pressure of this same gas at a volume of 300. L and constant temperature
When 20 mL of a 120 mL stock solution containing 2 M BaF2 is diluted to 80 mL, what is the concentration of F- in the new solution.
Which of the following statements about the reaction quotient, Q is false. A) The value of Q can be used to predict equilibrium concentrations B) It has the same expression as Kc
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