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According to the following reaction, how many moles of potassium sulfate will be formed upon the complete reaction of 0.462 moles potassium hydrogen sulfate with excess potassium hydroxide?
Potassium hydrogen sulfate (aq) + potassium hydroxide (aq)-----> potassium sulfate (aq) + water (l)
A voltaic cell employs the following redox reaction: Sn^2+(aq)+ Mn(s)--> Sn(s) + Mn^2+(aq) Calculate the cell potential at 25 under each of the following conditions.
Suppose y was measured five times and average of these five measurements was 3.24. What is the uncertainty in x based on these five measurements
Calculate the distance (in Angstroms) and energy (KJ/mol) where the molecules are most attractive.
A solution is prepared by dissolving 0.18 moles of acetic acid and 0.18 moles of ammonium chloride in enough water to make 1.0 L of solution. Find the concentration of ammonia in the solution.
If 355 mL of hydrogen gas is collected over water at 25C at a total pressure of 751 mmHg, how many grams of Zn reacted?
A pH of 3.74 is reached when 18.50 mL of sodium hydroxide has been added to the acid solution. What is the molar mass of formic acid given this data?
Determine the pH and pOH for each of the following solutions: a)[OH^-]=1.0x10^-7 M b)[H3O^+]=4.2x10^-3 M c)[H3O^+]=.0001 M d)[OH^-]= 8.5x10^-9 M
A scuba diver 40 ft below the ocean surface inhales 50.0 mL of compressed air mixture in a scuba tank at a pressure of 3.00 atm and a temperature of 8 degrees C
In the acid-catalyzed dehydration of cyclohexanol, the mechanism requires only catalytic acid, but in the experiment we used large excess.
Give explanation why the boiling point of a 2-component mixture increase slowly throughout a simple distillation while the boiling point differences are not large?
calculate the volume that a 0.323 -mol sample of a gas will occupy at 265k and a pressure of 0.900atm
Determine the equilibrium total pressure in a closed reaction flask if 0.040 mol of NO and 0.020 mol of O2 were placed in the evacuated reaction flask and heated to 100°C, resulting in a 75%-yield of NO2.
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