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The pressure of 7.0 L of an ideal gas in a flexible container is decreased to one-half of its original pressure, and its absolute temperature is decreased to one-seventh of the original. What is the final volume of the gas?
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How is vacuum filtration completing the purification of your sample? Where are the impurities at this point? For a recrystallization lab in organic chemistry
Carbon-carbon single bonds in organic molecules have energies about350. kJ/mol. What is the corresponding wavelength? Could UV lamps(248 nm) be used to break these bonds?
1. 2Cr(OH) 3 + 3Br 2 + 10OH - 6Br - + 2CrO 4 2- + 8H 2 O In the above redox reaction, use oxidation numbers to identify the element oxidized, the element reduced, the oxidizing agent and the reducing agent. 2. A tank ...
It takes 37.8 mL of 0.2114 M NaOH to neutralize 19.3 mL of an oxalic acid solution with an unknown concentration. Calculate the actual concentration of this oxalic acid solution. Don't forget to look at the balanced equa ...
The reaction of solid dimethylhydrazine ((CH3)2N2H2) and liquefied dinitrogen tetroxide (N2O4) has been investigated as a rocket fuel; the reaction produces gaseous carbon dioxide (CO2) nitrogen (N2) and water vapor (H2O ...
Vinegar is an aqueous solution of acetic acid CH3OOH. A10 mL sample of a particular vinegar requires 31.45 mL of 0.2560 Mof KOH for its titration. What is the molarity of acetic acid in vinegar?
Using data from unfiltered white light and the white light through the yellow filter, determine which two colors of light mix to form yellow. Support your conclusion with a quantitative discussion of relative peak intens ...
2 moles of a compound are allowed to react ina foam coffee cup that contains 197 grams of water. The reaction caused the temperature of the water to rise from 21 to24.7 degrees Celsius. What is the enthalpy of this react ...
Barium Iodate (Ba(IO3)2) forms an equilibrium with is ions in solution. How does adding additional barium to the solution affect the Ksp of barium iodate. Explain.
The common charges of an element can be related to the electron configuration of the element. Why would copper ions have 2 common charges? Explain each of them in terms of the electron configuration.
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