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A 50.0 L cylinder contains nitrogen gas at a pressure of 21.5 atm. The contents of the cylinder are emptied into an evacuated tank of unknown volume. If the final pressure in the tank is 1.55 atm, then what is the volume of the tank?
How much silver iodide, AgI, in grams will dissolve in 1200 ml of pure H2O at 25 degrees Celcius when the system reaches equilibrium
A gas sample in a piston assembly expands, doing 588 kJ of work on its surroundings at the same time that 372 kJ heat is added to the gas.
Using the information below, what is the most stable form of sulfur at 298K and 1atm? (no calculations needed) S(rhomic): V=0.016, delta H formation=0, delta G formation=0, Standard molar S=31.8, standard molar Cp=22.64 S(monoclinic)
determine the equilibrium concentrations of all three compounds if the starting concentrations of both reactants are .00408 M, wiht [HOCl]=0.000 M.
a Oxygen is a common oxidizing agent in nature. What changes in the oxidation number of oxygen must occur if it is to be an oxidizing agent? explain
Balance the following half-reaction in base, using smallest whole number coefficients. What is the coefficient for OH- in the balanced equation?
The dimerization of Nitrogen Dioxide has a rate constant of 2.45 x 10-2 L/mol min at 25 °C. What will be the concentration of NO2 after 2 minutes? given a starting concentration of NO2 = 11.5 mol/L
How much heat (in kJ) is evolved in converting 1.00mol of steam at 130.0C to ice at -50.0C? The heat capacity of steam is 2.01 and of ice is 2.09 .
at 986°C is 0.63. A rigid cylinder at that temperature contains 1.2 atm of carbon monoxide, 0.20 atm of water vapor, 0.30 atm of carbon dioxide, and 0.27 atm of hydrogen. Is the system at equilibrium?
A reactor is used to decompose toxic H2S gas (that was removed from natural and petroleum gas). The reaction is given as:H2S (v) = 2H2 (v) + S2 (l)
If you have 0.05M stock solutions of Tris Base and Tris Acid, how much of each would you use to make 100 ml of 0.05M Tris buffer at pH 8.8? The pKa of Tris is 8.3.
The approximate distance between mars and earth is about 1.29 x 10^8 miles. How many seconds would it take for TV pictures transmitted from the viking space vehicle on mar's surface to reach earth ? enter your answer in scientific notation
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