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A argon gas sample has a volume of 795 litres at a pres-sure of 1.28 torr and a temperature of 104 degree celsius. Then calculate the final volume of the gas,and express your answer in milliliters
N2(g)+3H2(g)-->2NH3(g) is the given equation in which NH3 is kept at the temperature of 15 degree celcius in a 10.0 L flask with a pressure of 1.95 atm. Determine the pressure in the flask if the temperature is raised to 25 degree celcius?
In 1.00 atm of pure oxygen, the solubility of O2(g) in water is 1.26 x 10^-3 M at 25.0 degree C. The mole fraction of oxygen in air is 0.210. If the atmospheric pressure is 0.979 atm, what is the solubility of oxygen in air at 25.0 degree C?
What compounds react with the diazonium salt to give the phenolic product? Why should an excess of nitrogen be avoided in this reaction?
Calcium and Magnesium carbonates occur together in the mineral dolomite. Suppose you heat a sample of the mineral to obtain the oxides,CaO and MgO
naturally occurring isotopes, Re-185 (mass = 184.935 amu) and Re-187 (mass = 186.956 amu). Calculate the percent abundances of the isotopes of rhenium.
What molarity of aqueous aluminum sulfate solution can be expected to show the same conductivity
How do I determine the concentration of 2 separate acids in a solution of water if I know the overall pH of the solution? There exists both formic acid and acetic acid in a 1 liter solution of water. The overall solution pH is stated as 4.0 and it ..
Assuming the enthalpies are equivalent to free energies (they arent, but lets make the assumption for the moment), what are the equilibrium constants for the two equilibria in the gas phase?
Use molar volume to solve each of the following at STP: a) the volume (L) occupied by 2.50 mol of N2; b) the volume (mL) occupied by 0.420 mol of He; c) the number of grams of neon contained in 11.2 L of Ne gas; d) the number of moles of H2 in 162..
What fraction of piperazine (perhydro-1,4-diazine) is in each of its three forms (H2A, HA-, A2-) at pH 8.44
Could you explain why carbonate, specifically sodium carbonate (Na2CO3) would be particularly good at neutralizing these acids and their conjugate bases?
indicate whether each of the following solutions are acidic, basic, or neutral at 25 degrees C: a)[H3O^+]=6.0x10^-12 M b)[H3O^+]=1.4x10^-4 M c)[OH^-]=5.0x10^-12 M d)[OH^-]=4.5x10^-2 M
The compound As2I4 is synthesized by reaction of arsenic metal with arsenic triiodide. If a solid cubic block of arsenic (d 5.72 g/cm3) that is 3.03 cm on edge is allowed to react
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