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An unknown compound contains only carbon, hydrogen, and oxygen (C_x,H_y,O_z). Combustion of 4.50 g of this compound produced 6.60 of carbon dioxide and 2.70 of water. How many moles of carbon,C , were in the original sample
How does the addition of 10 ml of 1M KCl change the solubility of Ca(OH)2 in an aqueous solution
calculate the initial slopes of the plots of the compressibility factor z vs p at 300k and 600k.
A fossil fuel containing 84% C, 15% H and 1%S is burned with 20% excess air in a boiler. The stack gases are at 150 C. a) What is the concentration (ppm) of SO3 in the stack if equilibrium is established according to
Calculate the amount of energy released by the freezing of 13.3 g of a liquid substance, given that the substance has a molar mass of 82.9 g/mol and a molar heat of fusion of 4.60 kj/mol.
If a system consists of two subsystems, one with 5 microstates and one with 10 microstates, how many microstates are in the whole system?
Suppose that 1.331 g of impure barium hydroxide is dissolved in enough water to produce 250. mL of solution and that 35.0 mL of this solution is titrated to the stoichiometric point with 17.6 mL of 0.0935 M HCl(aq). What percentage of the impure s..
Sulfur dioxide is released in the combustion of coal. Scrubbers use aqueous slurries of calcium hydroxide to remove the SO2 from flue gases
The acidic constituent in vinegar is acetic acid. A 10.0-mL sample of a certain vinegar contains 500. mg of acetic acid. What is this mass of acetic acid expressed in micrograms?
Considering the given equation 4 C3H5N3O9---> 6 N2+ 12 CO2 + 10 H2O + O2,This reaction generates many gaseous products and a large amount of heat determine what is the maximum amount of Oxygen.
dissolve CaCl2 in water to make a mixture that is 34.0% calcium chloride by mass. If the total mass of the mixture is 222.3 g, what masses of CaCl2 and water should be used?
What is the molarity if pH at the stoichiometric point is 8 and the volume of base needed is twice the volume of acid being titrated? What is the molarity of the base
What pressure would have to be applied to steam at 365°C to condense the steam to liquid water (H vap = 40.7 kJ/mol)?
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