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A 36.4-L volume of methane gas is heated from 32.5 °C to 77.9 °C at constant pressure. What is the final volume of the gas?
Iron forms a magnetic oxide with the formula Fe3O4 that contains both Fe2+ and Fe3+ ions. What is the average oxidation number of iron in this oxide
An investigator is told that a closed vessel holds a pure rare gas. She measures the density of the gas in the vessel at 298K as well as 1atm pressure and finds it to be 0.8252g liter-1. Explain what gas does the investigator think is in the vessel
Sulfur Trioxide Dissolves in water, producing H2SO4. How much sulfuric acid can be produced from 10.0 mL of water (d=1.00g/mL) and 25.6 g of S03
An unknown solid compound containing Pb2+ ion was mixed with 15 mL of 2.0 M HNO3. The mixture bubbled profusely. After complete reaction, it was found that 0.020 moles of CO2 were produced and the original solid was completely consumed.
what is the pH solution if 100 mL of the solution is .15 M acetic acid CH3CO2H and contains 1.56g of sodium acetate, CH3CO2Na? Ka=1.8x10^-5
The following data were obtained for the decomposition of N2O5 in the presence of 1 atm. N2 at 298 K.time (hr.) P(N2O5) atm P(N2O5) P(N2O5) P(N2O5) (for P(N2)=5 P(N2O5) (atm))
What molar ratio of benzoate ion to benzoic acid would be required to prepare a buffer with a pH of 5.20? [Ka(C6H5COOH) = 6.5 × 10-5]
A white solid unknown is readily soluble in water, and upon treatment of this solution with HCl, a colorless, odorless gas is evolved. This gas reacts with Ba(OH)2 to give a white precipitate. What anion is indicated
mom made the kids 2 l of kool-aid by mixing 5.0 g sugar c12h22o11 10.2 mg of kool-aid powder a proprietary mixture of
Balance the following equations. Part A Li(s)+H2O(l)→LiOH(aq)+H2(g)
Automobile airbags contain solid sodium azide, NaN3, that reacts to produce nitrogen gas when heated, thus inflating the bag. 2NaN3(s) ------> 2Na(s) + 3N2(g) Calculate the value of w (work) for the following system if 14.7 g of NaN3 reacts comple..
Liquid octane will react with gaseous oxygen to produce gaseous carbon dioxide and gaseous water . Suppose 9.1 g of octane is mixed with 22.7 g of oxygen.
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