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A mixture of gases has the partial pressures of 0.308 atm due to He, .259 atm due to N2, and the rest is due to O2. If the total pressure of the mixture is 752 mmHg, what is the partial pressure due to oxygen?
How long would it take for 1.50 mol of water at 100.0 C to be converted completely into steam if heat were added at a constant rate of 21.0 J/s?
Five hundred liters of a gas are cooled from 20°C to 10°C while the pressure remains constant.what the new volume will be?
What mass of aluminum, in grams, can be heated from 24.5C to 44.0C by a quantity of heat sufficient to raise the temperature of 125 g h2O through this same temperature interval
A 0.627 g sample containing the pesticide plus inert material containing no chloride was decomposed with metallic sodium in alcohol. The liberated chloride ion was precipitated as AgCl weighing 0.0831 g. Calculate the percentage of pesticide in th..
If performing a HPLC on a complex mixture what things might I do to increase the resolution of the spectra. Be specific here please
Ag3PO4(s)+3NaCH3Coo(aq). What volume of a 0.0240 M solution of Na3PO4 is required to react completely w/82.1 ml of a 0.0887 M solution of AgCH3COO
A first order reaction has a rate constant of 0.164 at 25 degrees C and 5.62 at 41 Degrees C. Calculate the value of the activation energy in KILOJOULES
A solution was prepared by dissolving 0.450 g MgSO4 (FW=120.363g/mol) in 0.500L of water. A 50.0 mL aliquot of this solution consumed 37.60 mL of EDTA solution in a titration. How many milligrams of CaCO3 (FW=100.089g/mol) will react with 1.00 mL ..
A 25.00mL 0.200 M HCL solution is titrated with 0.2 M NaOH. Explain what is the pH after the addition of 10.00mL of NaOH
initially a 1.0 l container is filled with 2.0 mol of no2. as the system approaches equilibrium what happens to the
Forecast how the total pressure varies during the gas-phase reaction N2 (g) + 3 H2(g) = 2 NH3 (g) in a constant-volume container
Where would we predict benzene to absorb if we treated the pi-electrons as particles on a ring (radius 1.39 A)? What is the % error? I'll give you a hint.
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