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Construct quantum mechanical operators for the following observable: (1) the inverse separation 1/x ; (2) electric dipole moment in 1 dimension; (3? the mean square deviations of the position and momentum of a particle in 1 dimension from the mean values.
A 355 ml container holds .146g of Ne and an unknown amount of Ar at 35 degrees C and a total pressure of 26 mmHg. Calculate the moles of Ar present
Calculate the number of grams of KClO3 needed to make 400 mL of 0.913 M solution.
How many molecules of acetylene (HCCH) react with 123 molecules of oxygen to produce carbon dioxide and water.
How much heat energy, in kilojoules, is required to convert 61.0 g of ice at -18.0 C to water at 25.0 C ?
A patient needs 2.70×10^-2 of a sulfa drug. There are 8.00 tablets in stock. How many tablets should be given?
Important information about Quant problems, Calculate pFe2+ at Ve in the titration of 25.00 mL of 0.02026 M EDTA by 0.03855 M Fe2+ at pH
How many moles of hydrogen gas are produced when 0.066 mole of sodium is completely reacted?
Three gases (8.00 of methane, CH4, 18.0 g of ethane, C2H6, and an unknown amount of propane, C3H8) were added to the same 10.0-L container. At 23.0 degrees C, the total pressure in the container is 3.70 atm.
A 1L steel tank has a safety valve that opens when the internal pressure exceeds 850 torr. The tank is filled with He at 23 oC and 0.991 atm.
aluminum and oxygen react to form aluminum oxide. How many L of oxygen at 296K and 1.4 atm of pressure are necessary to form 3.25g of aluminum oxide.
Hydrochloric acid reacts with aluminum to form aluminum chloride and gseous hydrogen. What's the mass of aluminum required to produce 1.0kg of aluminum chloride if there is excess acid?
Determine the range of fat you might expect to obtain if you extracted fat from ten grams of nutmeg (Dried, ground nutmeg typically contains between 20-25% fat by weight.) Assume that your extraction is 95% effective.
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