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Given a stationary phase of silica gel and nonpolar and polar analyte, which would elute first? Also if given a polar analyte/solute like cocaine, how might an increase in the polarity of the solvent affect the transport of the analyte?
Write down mass balance and charge balance equations for 0.100mol L-1 Na2C2O4(aq). Mass Balanced Equation= Charge Balance Equation=
The initial rate of a reaction 2A + 3B -> C + 2D was measured using different initial concentrations of A and B. Calculate the value of k
consider the electrolysis of molten barium chloride bacl2. a write the balanced half-reaction that occurs at the
Why would the active form of thrombin be produced only when an injury occurs to tissue?
when steam condenses to h2olliquid water heat of 2.26kj is released per gram. the heat from 168 grams of steam is used
Two of the following ions depend on their conversion into a gas for detection. What are the 2 ions? The two ions will form an ionic compound.
Acid halides react with atmospheric water to produce the corresponding- A. Amine B. amine salt C. amide D. carboxylic acid E. acid chloride
38 when 2.0 g of aspirin was shaken up in a flask containing two immiscible liquids it was found that the mole
compare alkalide ion with the neutral alkali atom.under appropriate conditions alkali metals a can be reduced to yield
Concentrated hydrochloric acid, HCl, has a composition of 37.5 %. The solutes molar mass is 36.461 g/mol. You may assume the molar mass of water is 18.015g/mol.
the gauge pressure in an automobile tire reads 32 psi in the winter at 32 degrees fahrenheit the gauge reads the
The solubility of silver sulfate, Ag2SO4, in water has been determined to be 8.0 g/L. What is the solubility in 0.24 M sodium sulfate, Na2SO4
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