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In performing the ANC measurment on a tums tablet, 29.2 mL of 0.510 M NaOH is needed to reach the endpoint pH of 3.5. Show whether the experimental value of ANC agrees with the therorectical value determined in part c.
Which of the following ideal aqueous solutions would be predicted to have the highest vapor pressure
A helium-filled weather balloon has a volume of 714 L at 23 oC and 759 mmHg. It is released and rises to an altitude of 4.80 km, where the pressure is 495 mm Hg and the temperature is -9oC. what is the volume of the balloon at this altitude.
Generation and use of a standard curve and serial dilutions, This lab provided a 100mM Glucose standard solution which you are required to dilute with water to give final concentrations of 0,0.4,0.8,1.2,1.6 and 2.0 mmol/L glucose in a final volume..
Assume that no heat is lost to the surroundings or to the coffee cup itself. Assume that the mass of the solution is equal to the mass of the water.
Express your answer with the appropriate units. Indicate the multiplication of units explicitly either with a multiplication dot (asterisk) or a dash
alcohols are less volatile than ethers of the same molecular weight, but the two classes of compounds have approximately the same solubility in water because.
When the valve between the 2.00 L bulb, in which the gas pressure is 3.00 atm, and the 3.00 L bulb, in which the gas pressure is 2.50 atm, is opened, what will be the final pressure in the two bulbs?
how many grams of oxygen are produced. what are the limiting and excess reactants and how much ER remains
A solution is prepared by dissolving 13.3 g ammonium sulfate in enough water to make 100.0 mL of stock solution. A 11.50 mL sample of this stock solution
Solid benzoic acid, C6H5COOH(s), is often used to determine the heat capacity of a bomb calorimeter, because the constant volume heat of combustion of this compound is known with high precision
an ethanol-water mixture is to be flash distilled at 1 atm. if the feed is 25 mole % ethanol, what are the liquid and vapor compositions if
A gaseous reaction occurs at a constant pressure of 40.0 atm and releases 68.0 kJ of heat. Before the reaction, the volume of the system was 9.00 L. After the reaction, the volume of the system was 2.00 L.
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