Determine what will be the pressure in the cylinder
A gas cylinder containing 6.38 mol of neon has a pressure of 491 mm Hg at 295 K. If 3.22 mol of helium is added to this cylinder, at constant temperature and volume, what will be the pressure in the cylinder?
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The rate of disappearance of HCl was measured for the following reaction:
How much heat is required to vaporize 329 g of liquid ethanol at its boiling point? ΔHvap = 38.6 kJ/mol. How much heat is evolved when 1241 g of water condenses to a liquid at 100°C? ΔHcond = -40.7 kJ/mol.
A solution is prepared by adding some solid BaF2 to water and allowing the solid to come to equilibrium with the solution. The equilibrium constant for the reaction below is Kc = 1.3x10-6.
A gun is fired horizontally at a block of wood, which is initially at rest on a horizobntal floor. The bullet becomes imbedded in the block, and the impact causes the system to slide a certain distance, s, before coming to rest. What is the inital
Analyze the four Vanguard client services areas of full-service institutional,investment-only institutional, core retail, and high-net-worth retail using theBoston Consulting Group Matrix.
If the solution were .0100mol of a weak acid in 10.0L of water would the pH be the same, higher, or lower than that in the strong acid solution? Why?
A saline solution used in intravenous drips for patients who cannot take oral fluids contains 0.92% (w/v) NaCl in water. How many grams of NaCl are contained in 729 mL of this solution?
Write an equation for any reaction that occurs after each step and calculate the concentration of Ba,CL,NO3,NH4 in the final solution assuming that all reaction go to completion.
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What is the difference between direct and indirect democracy? Think about the last time you voted in a government election (in any country, at any level)
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