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Determine a mixture of the gases N2O4 and 2N02. At 25 C and 1 bar the density of N204 is 3.76g/L, and the density of the mixture at equilibrium is 3.13 g/L. At 25 C and .1bar find the a) degree of dissociation also the b) average molar mass
a saturated solution of potassium chlorate is dissolved in 100g of water. If the saturated solution is cooled from 90oC to 60oC, how many grams of precipitate will be formed?
Calculate the bicarbonate and carbonate alkalinities, in mg/L as CaCO3 , of a water having a total alkalinity of 233.0mg/L as CaCO3 and a ph of 10.47?
For the reaction, calculate how many moles of the product form when 0.036 mol of O2 completely reacts.
A solution containing Pb(NO3)2 is titrated against KI solution so that PbI2 will precipitate out (ksp PbI2 = 7.9 x 10-9). Which ions will form the adsorption layer on the precipitate particles before and after the equivalence point, respectively
Three gases, nitrogen, helium, and krypton are confined in a 9.00 L vessel at a pressure of 7.00 atm. The vessel contains 5.00 moles of nitrogen, 2.00 moles of helium, and 2.00 moles of krypton. What is the partial pressure of helium
A 248 mL gas sample has a mass of 0.436 g at a pressure of 753 mm Hg and a temperature of 27 degrees celcius.what is the molar mass of the gas
The densities of ice and water at 0 C are 0.9168 and 0.9998 respectively. if delta h for the fusion process at atmospheric pressure is 0.625 what is delta u.
How many moles of MgCl2 are present in 50.0 mL of 0.800 M MgCl2 solution?
a solution contains 0.10m iodide ion i- and 0.10mcarbonate ion co32-. if solidpbno32nbspis slowly added to the
Draw the structure of an eight-carbon alkene that would yield the following compound after treatment with ozone followed by dimethyl sulfide
A given mass of radium is over a million times more radioactive than the same mass of uranium
If you start with sold hydroxylamine hrdrochloride and 1.00M NaOH, what mass of solid will you need and what volume of NaOH can you expect to add
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