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what is the pH of a solution of 125ml of 3.5 M of CH3COOH and 25ml of 1.25 M of NaOH ?
calculate the minimum energy a photon must have to produce an electron hole pair in an extrinsic semiconductor of band gap 1.3 electron volts.
Determine the final temperature of the mixture. (Use 1g/mL as the density of water)
Liquid sodium is being considered as an engine coolant. How many grams of liquid sodium (minimum) are needed to absorb 6.10 MJ of energy (in the form of heat)
Nitric oxide has a density = 1.782 g/L at the temperature of 12.64 degree celsius and pressure of 670.7 mm Hg determine the mass percent of Sulfur dioxide?
Determine the precipitate that forms if silver nitrate aqueous solutions and KCl react to produce products in a double-replacement reaction.
calculate the ph of the solution that is 0.20M hydrofluoric acid and 0.040 M Lithium fluoride. the Ka for hydrofluoric acid is 3.5*10^-4.
Propane reacts with excess oxygen to produce carbon dioxide gas and water. What volume of CO2,measured at 27.2 °C and 0.918 atm, is produced from the reaction of 10.1 g propane with excess oxygen.
Compute the number of grams of H 2 SO 4 in 1 gallon of battery acid if the solution is 38.9% sulfuric acid by mass and has a density of 1.33g/mL ?
Determine the limiting reactant and also calculate how much of the gas is produced?
if 7.o moles of sulfur atoms and 10 moles of oxygen molecules are combined to form the maximum amount of sulfur trioxide, how many moles of which reactant remain unused at the end.
Find out what will be the half-lives if [NOBr]o = 0.054 M - The rate constant for the second order reaction Is 0.80 M-1s-1 at 10 degree celsius temperature
What mass of sucrose should be combined with 483 of water to make a solution with an osmotic pressure of 8.50 at 320 ? (Assume the density of the solution to be equal to the density of the solvent.)
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