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A solution of 0.08M ni-EDTA was buffered to pH 10 with .1M ethylenediamine. determine the fractional composition of uncomplexed metal ion.
It takes more energy to boil away a pan of water at 100 oC than to heat it from room temperatue to 100 �C, because. the steam is hotter than the water. the steam occupies a greater volume than the water.
where C is a constant.The following table gives the equilibrium constant (Kp) at various temperatures for the reaction of nitrogen monoxide with oxygen gas that produces nitrogen dioxide
Solid aluminum acetate is slowly added to 75.0 mL of a 0.0536 M sodium phosphate solution. The concentration of aluminum ion required to just initiate precipitation is
A nugget of pure gold of 4.80 grams is absorbed 284 Joules of heat. if the initial temperature was twenty eight degree Celsius then what was the final temperature of the Au? The specific heat of gold = 0.129 J/(g·°C)?
Why do heavier atoms have a larger translational partition function than lighter atoms at the same temperature?
What observed rotation is expected when a (7.91x10^-1) M solution of (R)-2-butanol (mw = 74.12 g/mol) is mixed with an equal volume of a 0.740 M solution of racemic 2-butanol, and the resulting solution is analyzed in a sample container that is 1 ..
Predict the major product of the reaction between N-propylacetamide and sodium benzoate upon heating at 140C
When the ore lead (ll) sulfide burns in oxygen, the products are lead (ll) oxide and sulfur dioxide. Part A: Balance the equation: express the answer as a chemical equation. identify all of the phases in your answer
Use the van der Waals equation of state to plot the compressibility factor, Z, against P for methane at 180K and 250K. Hint: calculate Z as a function of V/n and P as a function of V/n, and then plot Z Vs. P.
A pair of enantiomers is named below. For each stereoisomers, draw the structure. Be sure to specify the stereochemistry via wedge-and-dash bonds.
why do we use water as diluent in preparing control and blank samples? are there any better blank sample than water?
Determine which type of ion exchange chromatography would work best and at which pH would you run this column.
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