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General Chemistry: Principles and Modern Applications (11th Edition)
- Nitric acid can be prepared by bubbling dinitrogen pentoxide into water. N2O5(g)+H2O2H+(aq)+2NO3(aq)(a) How many moles of H+ are obtained when 1.50 L of N2O5 at 25C and 1.00 atm pressure is bubbled into water? (b) The solution obtained in (a) after reaction is complete has a volume of 437 mL. What is the molarity of the nitric acid obtained?arrow_forwardWhat volume (in liters) of O2, measured at standard temperature and pressure, is required to oxidize 0.400 mol of phosphorus (P4)? P4(s) + 5 O2(g) P4O10(s)arrow_forwardWhat possible uses exist for the natural gas liquids that are removed from natural gas during its processing?arrow_forward
- How does hydraulic fracturing differ from previously used techniques for the recovery of natural gas from the earth?arrow_forwardIf you place 2.25 g of solid silicon in a 6.56-L flask that contains CH3Cl with a pressure of 585 mm Hg at 25 C, what mass of dimethyldichlorosilane, (CH3)2SiCl2, can be formed? Si(s) + 2 CH3Cl(g) (CH3)2SiCl2(g) What pressure of (CH3)2SiCl2(g) would you expect in this same flask at 95 C on completion of the reaction? (Dimethyldichlorosilane is one starting material used to make silicones, polymeric substances used as lubricants, antistick agents, and water-proofing caulk.)arrow_forwardPyruvic acid, HC3H3O3, is involved in cell metabolism. It can be assayed for (that is, the amount of it determined) by using a yeast enzyme. The enzyme makes the following reaction go to completion: HC3H3O3(aq)C2H4O(aq)+CO2(g) If a sample containing pyruvic acid gives 21.2 mL of carbon dioxide gas, CO2, at 349 mmHg and 30C, how many grams of pyruvic acid are there in the sample?arrow_forward
- If an electric current is passed through molten sodium chloride, elemental chlorine gas is generated as the sodium chloride is decomposed. :math>2NaCl(1)2Na(s)+Cl2(g) at volume of chlorine gas measured at 767 mm Hg at 25 °C would be generated by complete decomposition of 1.25 g of NaCl?arrow_forwardWhat mass of KO2 is required to remove 90.0% of the CO2 from a sample of 1.00 L of exhaled air (37°C, 1.00 atm) containing 5.00 mole percent CO2?arrow_forwardYou have two pressure-proof steel cylinders of equal volume, one containing 1.0 kg of CO and the other containing 1.0 kg of acetylene, C2H2. (a) In which cylinder is the pressure greater at 25 C? (b) Which cylinder contains the greater number of molecules?arrow_forward
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