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What happens if the flow of solvent through a column is too fast? What happens if the rate of flow is too low or if the flow is stopped for a period of time (by closing the stopcock?)
The ideal gas law (PV=nRT) provides relationships among pressure, volume, amount, and temperature of a gas inside a container. If the Kelvin temperature in a container is doubled, which of the following changes may occur?
How many moles of hydrogen gas would be needed to react with excess carbon dioxide to produce 30.6 moles of water vapor? Express your answer with the appropriate units.
The molar mass for NaCl and water are 58.443 g/mol and 18.015 g/mol, respectively. Calculate the partial molar volumes for NaCl and water in a 0.35m solution.
Determine the boiling point of a 1.5m aqueous solution of fructose.
A buffer having equal amounts of a weak acid and its conjugate base has a pH =4.4. A small amount of sodium hydroxide was combined to this buffer solution .
A titration required 16.86 mL of 0.1672 M of NaOH - how many moles are in the volume
The Henry's Law constant (Kh) for O2 in water at 20 degrees C is 1.28e^-3 mol/L*atm. How many grams of O2 will dissolve in 2.00L of H2O that is in contact with pure O2 at 1.00 atm?
A 732g sample of water was cooled from 60.0°C to 25.3°C. How much heat was lost? Would this process be considered endothermic or ectodermic if the water is the system
the reaction between all trans lycopene and iodine. Write a feasible mechanism.
Epsom salt is a hydrate with a formula MgsO4.xH2O, where x indicates the number of moles of H2O per mole of MgSO4. After a 1.687 g sample of the hydrate is heated, 0.824 of MgSO4 remains. How many molecule of water are present per formula unit of ..
Acetic anhydride, like any anhydride, reacts with water to form a carboxylic acid. How is it then possible to carry out an acetylation in aqueous solution?
mercury(II) acetate is allowed to react completely with a solution containing 9.718 g of sodium sulfate, how many grams of the reactant in excess will remain after the reaction?
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