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To study the effect of a weakly acidic medium on the rate of corrosion of a metal, a chemist prepared a buffer solution by making it 0.11 M NaC2H3O2 and also 0.090 M HC2H3O2. What is the pH of this solution?
calculate the pH of solution formed by mixing 150 mL of 0.10M HC7H5O2 with 100 mL of 0.30M NaC7H5O2. The Ka for HC7H5O2 is 6.5 E -5
How much heat is absorbed when 28 grams of H2O is converted into steam at 100 degrees C?
What is the pH of the solution created by combining 2.90 mL of the 0.10 M NaOH(aq) with 8.00 mL of the 0.10 M HCl(aq)?
determine the molecule weight of the liquid and the density of the vapor under these condition?
CH4 and H20 have about the same molecular weights. Which has the higher vapor pressure at room temperature? Explain.
equilibrium constant, Kp, for the reaction = 0.295 (at 400 degrees C.)then write the kp of the reaction and Calculate kc at 400 degree Celsius.
europium crystallizers in a body-centered cubic lattice (the Eu atom occupy only the lattice points).The densisty of Eu is 5.26 g/cm^3.calculate the unit cell edge length in pm
How many moles of urea (60. g/mol) must be dissolved in 100. g of water to give a 1.9 molal solution?
Draw the structural formula for ethanol, 2-propanol and 2-methyl2-propanol. Write the reaction between sodium bicarbonate and benzoic acid.
What is the rate constant of a first-order reaction that takes 375 for the reactant concentration to drop to half of its initial value?
calculate the temperature (in EC) at which the vapor pressure is 760 torr. The vapor pressure of Ethanol is 115 torr at 34.9EC
Describe the process design and application - Water and Wastewater Treatment
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