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A mixture contains H2 at 325 torr pressure, N2 at 475 torr pressure, and O2 at 650 torr pressure. What is the total pressure of the gases in the system?
what volume in milliliters of a 0.0992 m naoh solution is required to reach the endpoint in the complete titration of a
Determine the [H3O+], [OH-], pH, and pOH for each of the following solutions. A solution with a pH of 6.25
A compound A (C22H27NO) is insoluble in acid and base but reacts with concentrated aqueous HCl and heat to give a clear aqueous solution from which, on cooling, benzoic acid precipitates. When the supernatant solution is made basic, a liquid B sep..
Brass has a density of 8.40 g/cm3 and a specific heat of 0.385 J g-1 oC-1. A 11.2 cm3 piece of brass at an initial temperature of 154oC is dropped into an insulated container with 138.4 grams of water initially at 24.1oC. What will be the final te..
It takes a certain gas 1.98 times as long to diffuse as an equal volume of helium under the same conditions. what is the calculated molecular weight of the gas
Draw the structure ( Fisher projection) of an optically inactive compound z, C4H6O6
The answer to Kinetics, The symmetry factor Beta was determined to be 0.4 for an activation controlled Ag deposition process. At overpotential n = -0.400 V the current density was found to be j = -5.125 A/dm^2.
Find the of % Nickel in the coin solution: molority of Nickel is .8469 density of coin solution as 1.00g/mL
A solution is prepared by dissolving 30.0 g of Na2SO4 in enough water to make 750.0 mL of solution. A 10.00 mL portion of this solution is then diluted to a final volume of 100.0 mL.
Lysozyme is an enzyme that breaks down bacterial cell walls. It is found in tears and egg whites and elsewhere. A solution containing 0.150 g of lysozyme in 210 mL of water solution has an osmotic
If Ka is 1.85 x 10^-5 for acetic acid, calculate the pH at one half the equivalence point and at the equivalence point for a titration of 50 mL of 0.100 M acetic acid with 0.100 M NaOH.
A certain quantity of helium gas is at a temperature of 27degrees C and a pressure of 1.00 atm. What will the new temperature be if its volume is doubled at the same time that its pressure is decreased to one half of its original value?
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