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In a 100 ml sample of buffer solution made of propanoic acid concentration .35M and sodium propanoate concentration .5M some NaOH is added. .0040 mole of solid NaOh is added Calculate pH of solution
if 1 mol of liqid CCl4 at 25 degrees C has an entropy of 216J/K, what is the entropy of 1 mol of CCl4 vapor in equilibrium with a liquid at this temperature
Beakers W, X, Y, and Z contain either aqueous NaOH, KOH, LiOH, or NH4OH. Which beaker contains aqueous ammonia if the light bulb glows brightly when testing the conductivity of beakers W, X, and Z
Ozone molecules in the stratosphere absorb much of the harmful radiation from the sun. how many ozone molecules are present in3.00 L of air under the stratospheric ozone conditions of 265 K temperature
if you burn 10.00g of octane. if the temperature is 500K, and you have an expansion of 1.00 atm, how much work in joule can be done by the system if the octane is completely converted to CO2 and water vapor. what will be the enthalpy change
Gas phase irridation of 2-pentanone produces acetone and ethylene in about 90% yield along with 10% 1-methylcyclobutanone. Accoutnt for the formation of these three products
Which of the following substances, when dissolved in water, uses ion-dipole forces as the principal type of intermolecular attraction with water molecules. A) CH4 B) CH3OH C) CO2 D) KCl E) C6H6
A gas mixture contains 76% nitrogen and 24% oxygen. If the total pressure is 1.16 atm what are the partial pressures of each component
irregularly shaped object if the initial volume of water was 23.0 ml and the volume rose to 54.3 ml after the object was added?
Iridium-192 is one radioisotope used in brachytherapy, in which a radioactive source is placed inside a patient\'s body to treat cancer. Brachytherapy allows the use of a higher than normal dose to be placed near the tumor while lowering the risk ..
What molarity of aqueous aluminum sulfate solution can be expected to show the same conductivity as 0.015 M Na2SO4 at 18,000 units?
When the body metabolizes glucose water and carbon dioxide are produced according to the following equation. C6H12O6 + 6 O2 --> 6 CO2 + 6 H2O
Calculate What will be the volume of this gas sample at standard atmospheric pressure and
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