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The solubility of L-aspartic acid, an amino acid, in water has been resolute as follows (all values are grams of aspartic acid/100mL of water):
Temp 0oC 50oC 75 oC 100oC
0.209 0.500 2.875 6.893
Explain how much purified aspartic acid would you wait for to recover (assuming no losses due to technique) and define the missing L-aspartic acid?
Which of the following statements about natural radioactive emissions is incorrect?
The splitting pattern of interest contains a quartet at 4.06 ppm and a triplet at 1.24 ppm. What common alkyl group is responsible for this splitting pattern
Write net ionic equations for each of the precipitation reactions used to identify each of the cations in Group A (Al3+, Fe3+, and Mn2+) and B (Ba2+, Ca2+, and Mg2+).
How many grams of KCl are present in 250.0 mL of a 0.125 M solution? [Use formula weight: KCl, 74.55 g/mol]
What is the volume in mL of 0.845 M NaOH(aq) needed to reach the equivalence (stoichiometric) point in the titration
Suppose you have a sample of sodium weighing 11.70g. How many atoms are present in the sample
A water sample was found to contain [Ca2+]=35 mg/L and [Mg2+]=20 mg/L. Determine the water hardness in terms of mg/L CaCO3.and state whether it has low, medium or high hardness.
Determine the end (final) value of n in a hydrogen atom transition, if the electron starts in n = 4 and the atom emits a photon of light with a wavelength of 486 nm.
A 25.0 mL bubble is released from a diver's air tank at a pressure of 4.00 atm and a temp of 11.0 degrees C. Show how to determine the volume of the bubble when it reaches the surface where the pressure is 0.998 atm and the temp is 18.0 degrees C.
Calculated molarity of HClO: .50/.4541=.174 2) calculated molarity of NaClO: (5.86g/74.45 g/mol)/(.4541L=1.10) 3) Set up ICE chart and calculated H+(x). x=(3E-8)(1.10)/(.174) = 1.90E-7 4) took negative log of 1.90E-7 to get a pH of 6.72.
Solid Lithium hydride is added to water. Find the complete molecular, complete ionic, and net ionic formulas.
Crude gunpowders often contain a mixture of potassium nitrate and charcoal (carbon). When such a mixture is heated until reaction occurs, a solid residue of potassium carbonate is produced.
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