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12.0 moles of a gas (SO2) under non-ideal conditions was measured to have a pressure of 1.00*10^2 atm in a 3.00 L container. What is the temperature? the van der Waals constants for SO2 are a= 6.865L atm /mol and b=0.05679L/mol.
What is the volume of the filled balloon If the gas is used to fill a balloon, at a pressure of 0.96 atm,?
The solubility of N2 in blood can be a serious problem (the "bends") for divers breathing compressed air (78% N2 by volume) at depths greater than 50 ft. Find the volume (in mL) of N2, measured at 25degrees celsius and 1.00 atm, released per liter..
In the nitration of methyl benzoate, why do you wash the crystals with water followed by an ice-cold methanol washing? What is the purpose of pouring the reaction mixture over ice?
Calculate the ionic strength of 100mM solution of Mg3(PO4)2 in acetic buffer
Proteins rich in disulfide bonds often require longer incubation times at higher temperatures before they denature. Why?
Zn(s) + 2 HCl(aq) H2(g) + ZnCl2(aq) When 25.0 g of Zn reacts, how many L of H2 gas are formed at 25 °C and a pressure of 854 mmHg?
How many circular clarifers will be needed if each one is 90 ft in diameter and the surface overflow rate must be less than 575 gal/ft^2/day at the average daily flow rate?
What is the molarity of your HCl solution if it take 35.25 mL to reach the second equivalence point of a titration against 0.2225 grams of standard sodium carbonate?
what relative masses of dimethyl amine and dimethyl ammonium chloride do you need to prepare a buffe
Calculate the final temperature when a 25.6 gram sample of ice at 0oC is placed into a styrofoam cup containing 115 grams of water at 75.0 oC. Assume that there is no loss or gain of heat from the surroundings.
Cesium(Cs) is used extensively in television cameras and in photocells because it has lowest ionization energy of all the stable elements.Determine the maximum kinetic energy of a photo electron ejected from cesium.
Titration of 15mL of 0.125M unknown base with 0.103M HCl required 18.2mL to reach the equivalence point. the pH at the equivalence point was 2.74.
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