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What is the solubility of MnS, in grams per liter, in a buffer solution that is 0.115M HC2H3O2 - 0.490M NaC2H3O2 ? For MnS, Kspa=3x10^7
Calculate the length in km of a row containing 1 mole of hydrogen atoms laid side to side if diameter of a hydrogen atom =.212 nm?
The complete combustion of 1.076g of C9H8O in a bomb calorimeter ( Cccalorimeter=3.895 kJ/ degree C) produced an increase in temperature of 11.21C. Calculate the molar enthalpy of combustion in kJ/mol.
What is the millimolar concentration of dissolved oxygen for a lake or stream under the partial pressure of oxygen and a temperature of 12 degrees Celsius?
nitrogen reacts with hydrogen to form 1.058mg of the hydride. What is the empirical formula of the nitrogen hydride?
quickly established, and it is found that the volume of the reactor is 5400 cm^3. Determine the equilibrium constant for the reaction, and the mole fraction of A, B, and C at equilibrium.
Calculate the osmotic pressure of a 20% sucrose solution given that the molecular weight of sucrose is 342g.
Solid iron reacts with chlorine gas to produce iron(III) chloride. If 10.0 grams of iron reacts with excess chlorine gas and 18.5 grams of iron(III) chloride is produced, what is the percent yield of the iron(III) chloride?
A sample of glucose contains 1.300x10^21 atoms of carbon.
calculate the change in internal energy for a system that is giving of 25.0 kJ of heat and is changing from 12.00 L to 6.00L in volume at 1.50 atm pressure.
Fumaric acid, a diastereomer of maleic acid, requires a much higher temperature before it dehydrates; when it does, it also yields maleic anhydride.
Calculate the equilibrium partial pressure of bromine gas. No approximations can be made because the equilibrium constant is too large.
Ideal gas law and meteorological balloon, Balloons are still used to deploy sensors that monitor meteorological phenomena and the chemistry of the atmosphere. It is possible to investigate some of the technicalities of ballooning by using the perf..
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